AMERICAN AUDIO Q-D1 MKIITM Professional Preamp Mixer Instruction Manual

AMERICAN AUDIO Q-D1 MKIITM Professional Preamp Mixer

Product Information

• Specifications
  • Manufacturer: American Audio
  • Model: Q-D1 MKIITM
  • Product Type: Professional Preamp Mixer
  • Warranty: 2 years
  • Dimensions: Not specified
  • Weight: Not specified

Product Usage Instructions

• Safety Precautions
  • Before using the Q-D1 MKIITM mixer, please read and follow these safety precautions:
  • Do not expose the unit to rain, liquids, or moisture to prevent fire or electric shock hazards.
  • Do not use the polarized plug with an extension cord, receptacle, or other type of electrical outlet unless the wide blades can be carefully inserted into a matching wide slot t prevent electric shock.
• Unpacking
  • When unpacking the Q-D1 MKIITM mixer, make sure to check that all the included items are present and undamaged.
  • The package should contain:
  • Q-D1 MKIITM Professional Preamp Mixer
  • User Instructions Manual
• Set-Up Precautions
  • Before setting up the Q-D1 MKIITM mixer, please consider the following precautions:
  • Ensure that the power source matches the voltage requirements specified on the mixer’s label.
  • Place the mixer on a stable and flat surface to prevent it from tipping over during use.
  • Keep the mixer away from heat sources and direct sunlight.
  • Provide proper ventilation around the mixer to prevent overheating.
• Quick Start
  • To quickly start using the Q-D1 MKIITM mixer, follow these steps:
  • Connect your audio sources (turntables, CD players, etc.) to the appropriate input channels on the rear panel of the mixer.
  • Connect your amplifier or powered speakers to the Master Output on the rear panel.
  • Turn on the mixer and adjust the input gain controls for each channel to an appropriate level.
  • Use the crossfader and EQ controls on the front panel to mix and adjust the audio as desired.
  • Monitor the audio using headphones connected to the headphone output on the front panel.

FAQs

• Q: Can I use the Q-D1 MKIITM mixer with a computer or DJ software?
  • A: Yes, you can connect your computer or DJ software to the Q-D1 MKIITM mixer using the appropriate audio cables. Consult the user manual of your software for specific instructions on how to set it up with an external mixer.
• Q: How do I clean the Q-D1 MKIITM mixer?
  • A: To clean the mixer, use a soft, dry cloth to gently wipe the surface. Avoid using any abrasive or chemical cleaners that may damage the unit.
• Q: How can I replace the crossfader on the Q-D1 MKIITM mixer?
  • A: To replace the crossfader, please refer to the “Cross Fade Replacement” section in the user manual for detailed instructions on how to safely remove and install a new crossfader.
• Q: What is the warranty period for the Q-D1 MKIITM mixer?
  • A: The Q-D1 MKIITM mixer comes with a 2-year warranty. Please register your product on the manufacturer’s website to activate the warranty.

MAIN FEATURES

• Fader “Q” Start
• Q-Start Compatible (for use with compatible (American Audio CD Players )
• Equipped with high-quality Crossfader (Replaceable)
• High output to headphones
• Cue Mixing
• Extremely clean signal-to-noise ratio
• Power Switch
• Independent Gains Per Channel
• Front Access Headphone Jack
• Low Residue Resistance Crossfader
• 2 Band EQ per channel
• 2 Phono, & 2 Line Level Inputs
• Two Turntable Ground Prongs
• Front Access 1/4” Mic Jack
• Record Out

WARRANTY REGISTRATION

• The Q-D1 MKII™ carries a one-year limited warranty. Please fill out the enclosed warranty card to validate your purchase.
• All returned service items whether under warranty or not, must be freight pre-paid and accompany a return authorization (R.A.) number.
• The R.A. number must be written on the outside of the return package.
• A brief description of the problem as well as the R.A. number must also be written down on a piece of paper and included in the shipping container.
• If the unit is under warranty, you must provide a copy of your proof of purchase invoice. You may obtain an R.A. number by contacting customer support at 800-322-6337.
• Please Note: Specifications and improvements in the design of this unit and this manual are subject to change without any prior written or published notice.
• For service parts visit http://parts.americandj.com.
• ©American Audio® – www.AmericanAudio.us – Q-D1 MKII™ Instruction Manual Page 2

ELECTRICAL SAFETY PRECAUTIONS

WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN, LIQUIDS, OR MOISTURE

CAUTION: TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLARIZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE, OR OTHER TYPE OF ELECTRICAL OUTLET UNLESS THE WIDE BLADES CAN BE CAREFULLY INSERTED INTO A MATCHING WIDE SLOT.
ATTENTION: POUR PREVENIR LES CHOCS ELECTRIQUES NE PAS UTILISER CETTE FICHE POLARISEE AVEC UN PROLON-GATEUR, UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT, SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS EN LAISSER AUCUNE PARTIE A DECOUVERT.
NOTE: This product satisfies FCC regulations when shielded cables and connectors are used to connect the unit to other equipment. To prevent electromagnetic interference with electrical appliances such as radios and televisions, use shielded cables and connectors for connections.

POWER SUPPLY

• This unit requires an outboard AC 9v power supply.
• Be sure to only use the included power supply.
• This unit may be operated in different voltage areas with an adequate power supply available from American Audio®.

The serial and model number for this unit are located on the rear panel. Please write down the numbers here and retain for future reference.

• Model No.
• Serial No.
• Purchase Notes:
• Date of Purchas
• Dealer Name
• Dealer Address
• Dealer Phone

ELECTRICAL PRECAUTIONS

• The lightning flash with the arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
• CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER (OR BACK). THERE ARE NO USER-SERVICEABLE PARTS INSIDE REFER THE SERVICE TO YOUR AUTHORIZED AMERICAN AUDIO® SERVICE TECHNICIAN.
• The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

IMPORTANT SAFETY INSTRUCTIONS

• READ INSTRUCTIONS — All the safety and operating instructions should be read before the product is operated.
• RETAIN INSTRUCTIONS — The safety and operating instructions should be retained for future reference.
• HEED WARNINGS — All warnings on the product and in the operating instructions should be adhered to.
• FOLLOW INSTRUCTIONS — All operating and use instructions should be followed.
• CLEANING — The product should be cleaned only with a polishing cloth or a soft dry cloth. Never clean with furniture wax, benzene, insecticides, or other volatile liquids since they may corrode the cabinet.
• ATTACHMENTS — Do not use attachments not recommended by the product manufacturer as they may cause hazards.
• WATER AND MOISTURE — Do not use this product near water — for example, near a bathtub, wash bowl, kitchen sink, or laundry tub; in a wet basement or near a swimming pool; and the like.
• ACCESSORIES — Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product. Any mounting of the product should follow the manufacturerʼs instructions and should use a mounting accessory recommended by the manufacturer.
• CART — A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the product and cart combination to overturn.
• VENTILATION — Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating, and these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturerʼs instructions have been adhered to.
• POWER SOURCES — This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company.
• LOCATION – The appliance should be installed in a stable location.
• NONUSE PERIODS – The power cord of the appliance should be unplugged from the outlet when left unused for a long period.

GROUNDING OR POLARIZATION

If this product is equipped with a polarized alternating current line plug (a plug having one blade wider than the other), it will fit into the outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug. If this product is equipped with a three-wire grounding type plug, a plug having a third (grounding) pin, it will only fit into a grounding type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding type plug.

• POWER-CORD PROTECTION – Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product.
• OUTDOOR ANTENNA GROUNDING — If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information about proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of the antenna-discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. See Figure A.
• LIGHTNING — For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges.
• POWER LINES — An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal.
• OVERLOADING — Do not overload wall outlets, extension cords, or integral convenience receptacles as this can result in a risk of fire or electric shock.
• OBJECT AND LIQUID ENTRY – Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product.
• SERVICING — Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.
• DAMAGE REQUIRING SERVICE – Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:
  • When the power supply cord or plug is damaged.
  • If liquid has been spilled, or objects have fallen into the product.
  • If the product has been exposed to rain or water.
  • If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation.
  • If the product has been dropped or damaged in any way.
  • When the product exhibits a distinct change in performance — this indicates a need for service.
• REPLACEMENT PARTS — When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer to have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.
• SAFETY CHECK – Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition.
• WALL OR CEILING MOUNTING — The product should not be mounted to a wall or ceiling.
• HEAT — The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.

SAFETY INSTRUCTIONS

1. For adult use only – Keep out of the reach of children.
2. Water and Moisture – The player should not be used near water – for example, near a bathtub, kitchen sink, laundry tub, wet basement, or a swimming pool, etc. Do not spill water or other liquids into or onto your mixer.
3. Ventilation – The Mixer should be situated so that its location or position does not interfere with its proper ventilation. For example, the Mixer should not be situated on a bed, sofa rug, or similar surface that may block the ventilation openings; or, placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.
4. Heat – The Mixer should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat.
5. Power Sources – The Mixer should be connected to a power supply (wall outlet) only of the type described in the operating instructions or as marked on the Mixer.
6. Servicing – The user should not attempt to service the Mixer beyond that described in the operating instructions. There are no user-serviceable parts inside. All other servicing should be referred to qualified service personnel. The Player should be serviced by qualified personnel when:
   • A. The power supply cord or the plug has been damaged.
   • B. Objects have fallen, or liquid has been spilled into the Mixer.
   • C. The Mixer has been exposed to rain or water.
   • D. The Mixer does not appear to operate normally or exhibits a marked change in performance.
7. Never disassemble or modify your unit in any way, doing so will void your manufacturer warranty.
8. Never plug this mixer into a dimmer pack.
9. Do not let insecticides, benzene, or thinner come in contact with the surface of the unit.
10. This unit is intended for indoor use only, use of this product outdoors voids all warranties.
11. Always mount this unit safely and stably.
12. Disconnect from the main power before making any type of connection.
13. Cleaning – The mixer should be cleaned only as recommended by the manufacturer. Use a soft cloth to wipe down the outside of the unit. For stubborn stains moisten a soft cloth with glass cleaner or other mild detergent to wipe away any stains. Use a soft cloth to wipe any residual cleaner. Never use volatile cleaners such as benzene, solvent, or thinner to clean your unit, these cleaners will damage the surface of the unit.
14. Handle the power supply cord carefully. Do not damage or deform; it may cause electrical shock or malfunction when used. Hold the plug attachment when removing it from the wall outlet. Do not pull on the cord.
15. To avoid electric shock, do not open the top cover when the unit is plugged in. If problems occur with the unit, call American Audio® customer support.
16. Do not place metal objects or spill any liquids inside or on the mixer. Electric shock or malfunction may occur.
17. Power Cord Protection – Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed uponor against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the mixer. Route your power cord out of the way of foot traffic.
18. Always have the front gain controls set to their lowest level during the initial power-up to prevent speaker damage.

UNPACKING

Every Q-D1 MKII™ has been thoroughly tested and has been shipped in perfect operating condition. Carefully check the shipping carton for damage that may have occurred during shipping. If the carton appears to be damaged, carefully inspect your mixer for any damage and be sure all equipment necessary to operate the mixer has arrived intact. In case damage has been found or parts are missing, please contact our toll-free customer support number for further instructions, please do not return the mixer to your dealer.

INTRODUCTION

Introduction: Congratulations and thank you for purchasing the American Audio® Q-D1 MKII™ professional audio pre-amp/mixer. This mixer is a representation of American Audio’s continuing commitment to produce the best and highest quality audio products possible at an affordable price. The Q-D1 MKII™ comes with a one-year limited warranty! Please read and understand this manual completely before attempting to operate your new mixer. This booklet contains important information concerning the proper and safe operation of your new mixer.
Customer Support: American Audio® provides a toll-free customer support line, to provide set-up help and to answer any question should you encounter problems during your initial setup or operation. You may also visit us on the web at www.AmericanAudio.us for any comments or suggestions. Service Hours are Monday through Friday 8:00 a.m. to 4:30 p.m. Pacific Standard Time.

• Voice: 800-322-6337
• Fax: 323-582-2610
• E-mail: support@AmericanAudio.us

Caution! There are no user-serviceable parts inside this mixer. Do not attempt any repairs yourself, doing so will void your manufacturer warranty. In the unlikely event your mixer may require service, please contact American Audio® customer support. Do not discard the packing carton in the trash. Please recycle whenever possible.

SET-UP PRECAUTIONS

Please make any connections before you plug the mixer in. Be sure the Power switch is in the OF position before connecting other devices to the mixer. All fader and volume controls should be set to 0 or minimum position before the device is switched on. If the device has been exposed to drastic temperature fluctuation (e.g. after transportation), do not switch on the mixer immediately. The rising condensation of water might damage your device. Leave the device switched off until it has reached room temperature.
Operating Determinations:

• When installing this mixer, please make sure that the device is not exposed to extreme heat, moisture, or dust!
• There should not be any cables lying around. Doing so endangers you as well as others.
• Do not operate the mixer in extremely hot (more than 30° / 100°F) or extremely cold (less than 5°C/40°F) surroundings.
• Keep the unit out of direct sunlight and away from heaters.
• Operate the mixer only after becoming familiar with its functions. Do not permit operation by persons not qualified to operate the mixer. Most damages are the result of unprofessional operation!

QUICK START INSTRUCTIONS

• QUICK START: American Audio® would like to thank for your purchase of this great product. For those of you who are too impatient to read the entire user manual, we have compiled these quick star instructions. We hope that you will at least read through these instructions to familiarize yourself with the basic understanding of the unit. The Q-D1 MKII™ is part of American Audio’s continuing evolution in audio technology. This unit has been built and designed with the typical DJ in mind, by DJ’s. We have attempted to provide you with the most reliable product on the market by using only components constructed of the finest material.
• MASTER LEVEL (1) – Use this level control to set your master volume output. Try never to send an output of more than +4dB to your system. Signals at levels higher than this will start to distort and may cause damage to your system and speakers. Remember that a distorted signal from you mixer will only be multiplied throughout your system.
• PHONO/LINE SELECTOR SWITCH (10) – This switch is used to change the selected input from phono level to line level and vice versa. Channels 1 and 2 may be switched to PHONO or LINE. Use “LINE” for line-level devices such as CD players and tape decks. Use “PHONO” for magnetic turntables only (DJ turntables).
• CHANNEL GAIN LEVEL (13) – The channel gain levels are not to be used as volume controls. Never use the channel trim to set the output volume. These controls are used to aid in distortion control. Use these controls to preset your signal level before the crossfader. With your channel faders in the maximum position, use the channel trim level to set an average output level of about +4dB.
• HEADPHONES (6) – To avoid damaging your headphones always be sure the headphone volume level (11) is set to a minimum before plugging them in. To avoid severe hearing damage, never put the headphone on without making sure the headphone level is turned down.
• MIC (7) – The mic connector uses a 1/4” plug that allows you to connect a 1/4” unbalanced mic cord. The mic also has an independent volume control. Always leave the mic level to its minimum level when not in use.
• Q-START FEATURE – This function works in conjunction with a compatible American Audio “Q” Start CD player. When used with a compatible CD player, you can use the crossfader to start and stop the CD Player with the slide of the fader. The ON/OFF “Q ”START switch activates this FADER “Q ”START feature.

CONTROLS AND FEATURES

Front Panel

1. MASTER VOLUME CONTROL – This rotary knob is used to control the master output level (volume). To avoid distorted output try to maintain an average output signal level +4 dB. Be sure this volume control is always set to zero before turning the unit on.

2. MIC LEVEL – This rotary knob is used to control the microphone volume output level. Turning the knob in a clockwise direction will increase volume output.

3. CHANNEL BASS CONTROL – This knob is used to adjust the low-frequency levels of a channel allowing for a maximum bass gain of 12dB or a maximum signal decrease of -26 dB. Turning the knob in a counter-clockwise direction will decrease the amount of bass applied to a channel signal, turning the knob in a clockwise direction will increase the amount of bass applied to a channel signal.

4. CUE MIXING CONTROLLER – This switch selects the channel for monitoring. The monitor signal comes from the Prefader. This means it will not be affected by the channel faders. You can monitor each channel individually. Connect your headphones to the HEADPHONES jack. Flip the CUE MIXING CONTROL switch to the channel you wish to monitor. If the CUE MIXING CONTROL is set to the center position, you can monitor both channels at once.

5. “Q” START ON/OFF – This function works in conjunction with a compatible American Audio® “Q” series professional CD player. When used with a compatible “Q” series CD player, you can use the CROSSFADER (8) to start and stop the CD Player. The ON/OFF “Q” START switch activates this FADER “Q” START feature. When in the ON position, the FADER “Q” START function allows the fader to return automatically to the CD player’s preset cue point by simply sliding the CROSSFADER (8) back and forth. For example, each time you slide the crossfader to the far left, the “Q” start function will trigger the play mode for any CD player connected to PLAYER CONTROL “A”. Play will begin at that unit’s last set cue point. Turn the “Q” ON/OFF SWITCH to the OFF position to disengage the “Q” Start function and resume normal fader operation.

6. HEADPHONE JACK – This jack is used to connect your headphones to the mixer allowing you to monitor the cue source. Use headphones only rated at 8 ohms to 32 ohms. Most DJ headphones are rated at 16 ohms, these are highly recommended. Always be sure the CUE VOLUME LEVEL (11) is set to a minimum before you put the headphones on.

7. MICROPHONE CONNECTOR – This jack is used to connect a microphone to the mixer. Connect your microphone via this 1/4-inch (6.3mm) jack. The signal volume will be controlled by the Mic Level(2).

8. FEATHER FADER PLUS CROSSFADER – This fader is used to blend the output signals of channels one and two. When the fader is in the full left position (channel 1), the output signal on channel 1 will be controlled by the master volume level. The same fundamentals will apply to channel two. Sliding the fader from one position to another will vary the output signals of channels one and two respectively. When the crossfader is set in the center position, the output signals of both channel one and channel two will be even.

9. CHANNEL VOLUME FADER – These faders are used to control the output signal of any source assigned to its particular channel. However, the master volume is controlled by the MASTER VOLUME CONTROL (1).

10. SOURCE SELECTOR SWITCH – These switches are used to select the input source assigned to each channel. Each channel may only be assigned one input source at a time. This switch must be in the “PHONO” position for turntable operation.

11. CUE LEVEL VOLUME CONTROL – This knob adjusts the headphone volume output level. Turning the knob in a clockwise direction will increase headphone volume output.

12. CHANNEL TREBLE CONTROL – This knob is used to adjust the treble levels of a channel allowing for a maximum treble gain of 12dB or a maximum decrease of -26 dB. Turning the knob in a counter-clockwise direction will decrease the amount of treble applied to a channel signal, turning the knob in a clockwise direction will increase the amount of treble applied to a channel signal.

13. CHANNEL GAIN CONTROL – This adjustment is used to adjust the audio source signal input gain for a channel. Never use the gain control to adjust a channel’s output volume. Setting the gain level properly will ensure a clean output signal. An improper gain level adjustment will send a distorted signal throughout the entire audio line which may damage speakers and amplifiers.

    • To properly set channels the gain level control:
    • Be sure the MASTER VOLUME CONTROL (1) is set to level 8.
    • Set the CHANNEL VOLUME FADER (9) to level 8.
    • Begin playback on an audio source connected to the channel you are adjusting.
    • Use the Gain Control to adjust an average output volume of +4 dB.
      Rear Panel

14. MAIN POWER SWITCH – This is the main power ON/OFF button. Before main power is applied, be sure you have made all connections to the mixer. Also, be sure your amplifier(s) is tuned off. Remember to avoid damaging pops, mixer on first and turned off last.

15. AC VOLTAGE INPUT – This connector is used to supply main power to the unit via the included detachable power supply. Only use the supplied power adaptor to avoid damaging the unit. The unit receives an input power supply of AC 9v/1000mA.

16. RCA MASTER OUTPUTS – The Master Output includes a pair of RCA Unbalanced Jacks to form a stereo output. The left channel is marked with “L” and is color-coded white, the right channel output is marked “R” and is color-coded red. The RCA jacks send a low current unbalanced output signal to your amplifier or tuner. When connecting to a tuner be sure to use the “AUX” inputs.

17. REC OUT – This is a low current unbalanced output source designed for various tape and CD recorders. The Record Out (REC OUT) level is dictated by the CHANNEL FADER LEVEL (9), it is not influenced by the MASTER VOLUME CONTROL (1).

18. CHANNEL 2:

    • LINE 2 RCA INPUT JACKS – These Jacks are used for line-level inputs. Connect CD players such as the American Audio® CDS-1™ or tape decks to LINE inputs. Line-level musical instruments with stereo outputs such as Rhythm Machines or Samplers should also be connected to LINE inputs. Turntables should only be connected to “Phono” inputs. The red-colored RCA jack represents the right channel input and the white represents the left channel input. The output level for any device connected to these input jacks will be controlled by FADER CHANNEL 2.

19. CHANNEL 2:

    • PHONO 2 JACKS – Connect turntables equipped with MM pickup cartridges to PHONO inputs (All DJ turntables use MM pick-up cartridges). The red-colored RCA jack represents the right channel input and the white represents the left channel input. The output level for any device connected to these input jacks will be controlled by FADER CHANNEL 2.

20. GND (GROUND TERMINAL) – These connections are used to ground the excess magnetic flux of phono turntables. Connect each of your turntables’ ground leads to either of the two ground terminals. This will reduce the humming and popping noises associated with magnetic phono cartridges.

21. CHANNEL 1:

    • LINE 1 RCA INPUT JACKS – These Jacks are used for line-level inputs. Connect CD players such as the American Audio® CDS-1™ or tape decks to LINE inputs. Line-level musical instruments with stereo outputs such as Rhythm Machines or Samplers should also be connected to LIN inputs. Turntables should only be connected to “Phono” inputs. The red-colored RCA jack represents the right channel input and the white represents the left channel input. The output level for any device connected to these input jacks will be controlled by FADER CHANNEL 1.

22. CHANNEL 1:

    • PHONO 1 INPUT – Connect turntables equipped with MM pickup cartridges to PHONO inputs (All DJ turntables use MM pick-up cartridges). The red-colored RCA jack represents the right channel input and the white represents the left channel input. The output level for any device connected to these input jacks will be controlled by FADER CHANNEL 1.

23. PLAYER B CONTROL – This jack is used to control the “Q-Start” function between the mixer and a compatible American Audio® or American DJ® CD Player. Using the mini plug included with your CD player, connect from the CD player controller out jack to this jack. Player B “Q-Start functionallity will be controlled by the left side of the CROSSFADER (8). For more information on the “Q-Start” functionality refer to the user manual included with your CD player. Be sure to only use the mono tip mini plug included with your CD player to avoid damage to the mixer and/or the CD player.

24. PLAYER A CONTROL – This jack is used to control the “Q-Start” function between the mixer and a compatible American Audio® or American DJ® CD Player. Using the mini plug included with your CD player, connect from the CD player controller out jack to this jack. Player A “Q-Start” functionality will be controlled by the left side of the CROSSFADER (8). For more information on “Q-Start” functionality refer to the user manual included with your CD player. Be sure to only use the mono tip mini plug included with your CD player to avoid damage to the mixer and/or the CD player.

TYPICAL MIXER SET-UP

CLEANING

Due to fog residue, smoke, and dust, cleaning the mixer should be carried out periodically to optimize light output.

1. Use normal glass cleaner and a soft cloth to wipe down the outside casing.
2. Use a cleaner specially designed for electronics to spray in and around the knobs and switch. This will reduce small particle buildup that can affect the proper operation of the mixer.
3. Cleaning should be carried out every 30-60 days.
4. Always be sure to dry all parts completely before plugging the mixer in.
5. Cleaning frequency depends on the environment in which the mixer operates (i.e. smoke, fog residue, dust, dew).

CROSSFADER REPLACEMENT

The crossfader is “Hot Changeable” which means it may be replaced at any time, even when power is applied. Only replace with American Audio Feather Fader Plus. Replacing with any other model fader may seriously damage your mixer.
Replacing the Crossfader:

1. Using a number two Phillips screwdriver, unscrew each of the stainless steel retaining screws that hold the crossfader in place.
2. Gently remove the crossfader from its seated position. You may need to wiggle the crossfader slightly to unseat it.
3. After removing the crossfader, disconnect the ribbon cable that attaches the crossfader to the PC board. Grasp the crossfader by its base and pull the ribbon cable by its connector, not the actual cables. The connector is desired to only fit one way, so don’t worry about the connector’s orientation.
4. Connect the new crossfader to the ribbon cable.
5. Reassemble in reverse order.

WARRANTY

1-YEAR LIMITED WARRANTY

• A. American Audio® hereby warrants, to the original purchaser, American Audio® products to be free of manufacturing defects in material and workmanship for 1 Year (365 days) from the date of purchase. This warranty shall be valid only if the product is purchased within the United States of America, including possessions and territories. It is the owner’s responsibility to establish the date and place of purchase by acceptable evidence, at the time service is sought.
• B. For warranty service, send the product only to the American Audio® factory. All shipping charges must be pre-paid. If the requested repairs or service (including parts replacement) are within the terms of this warranty, American Audio® will pay return shipping charges only to a designated point within the United States. If the entire instrument is sent, it must be shipped in its original package. No accessories should be shipped with the product. If any accessories are shipped with the product, American Audio® shall have no liability whatsoever for loss of or damage to any such accessories, nor for the safe return thereof.
• C. This warranty is void if the serial number has been altered or removed; if the product is modified in any manner which American Audio® concludes, after inspection, affects the reliability of the product; if the product has been repaired or serviced by anyone other than the American Audio® factory unless prior written authorization was issued to purchaser by American Audio®; if the product is damaged because not properly maintained as outlined in the instruction manual.
• D. This is not a service contract, and this warranty does not include maintenance, cleaning, or periodic check-ups. During the period specified above, American Audio® will replace defective parts at its expense and will absorb all expenses for warranty service and repair labor because of defects in material or workmanship. The sole responsibility of American Audio® under this warranty shall be limited to the repair of the product, or replacement thereof, including parts, at the sole discretion of American Audio®. All products covered by this warranty were manufactured after January 1, 1990, and bear identifying marks to that effect.
• E. American Audio® reserves the right to make changes in design and/or improvements upon its products without any obligation to include these changes in any products theretofore manufactured.
• F. No warranty, whether expressed or implied, is given or made concerning any accessory supplied with the products described above. Except to the extent prohibited by applicable law, all implied warranties made by American Audio® in connection with this product, including warranties of merchantability or fitness, are limited in duration to the warranty period set forth above. And no warranties, whether expressed or implied, including warranties of merchantability or fitness, shall apply to this product after said period has expired. The consumer’s and or Dealer’s sole remedy shall be such repair or replacement as is expressly provided above; and under no circumstances shall American Audio® be liable for any loss or damage, direct or consequential, arising out of the use of, or inability to use this product.
• G. This warranty is the only written warranty applicable to American Audio® Products and supersede all prior warranties and written descriptions of warranty terms and conditions heretofore published.

SPECIFICATIONS

• Technical Specifications – Model: Q-D1 MKII, 2-Channel Audio Mixer.
• POWER SUPPLY: AC 9v/1000mA.
• DIMENSIONS: 192(W) 236(D) 82(H) mm
• WEIGHT: 5.5 Lbs./2.3 Kgs
• CROSSFADER: Low Residue Resistance Crossfader.
• POWER CONSUMPTION: 10 Watts Typical
• HEADPHONE IMPEDANCE: 16 Ohms
• ENVIRONMENTAL CONDITION: Operating Temperature 5 to 35 deg. C Humidity 25 to 85% RH (non-condensing)

Input/Output Impedance & Sensitivity (Level/Impedance): (Master set to 0dBV output, Load=100K OHM, maximum gain)

• LINE: 10K OHM /-14dBV (200mV) +/-2dB
• PHONO: 47K OHM /-50dBV (3.16mV) +/-2dB
• MIC: 2.2K OHM /-60dBV (1mV) +/-2dB
• MASTER: 1K OHM
• REC: 1K OHM /-10dBV (316mV) +/-2dB

Maximum Input (1KHz, Master Output THD=0.5%, EQ falt, Maximum Gain)

• LINE: More than +4dBV
• PHONO: More than -32dBV
• MIC: More than -42dBV

Maximum Output (THD=1%, Maximum Gain, EQ at center position)

• MASTER (RCA): MORE THAN 18dBV (8V) at Load=100K OHM
• PHONES: MORE THAN 4dBV (1.6V) at Load=32OHM
• CHANNEL BALANCE: Within 3dB

Output Noise (Maximum Gain, EQ flat, W/20KHz LPF, A-Weighted)

• LINE: LESS THAN -90dBV
• PHONO: LESS THAN -70dBV
• MIC: LESS THAN -60dBV

Frequency Response (Master=0dBV output, Maximum Gain, EQ Flat)

• LINE: 20-20KHz +/-1dB
• PHONO: 20-20KHz +1/-1.5dB (RIAA)
• MIC: 20-20KHz +1/-2dB
• NOTE: 0dBV=1 Vrms
• CROSS TALK: > 70dB @1Khz between left and right channels > 70dB @1KHz between channels

Channel Equalizer:

• LOW: 12+/-2dB at 100Hz -26+/-3dB at 100Hz
• TREBLE: 12+/-2dB at 10KHz -19+/-3dB at 10KHz

Fader Maximum Attenuation

• Channel Fader: More than 80dB at 1KHz
• Crossfader More than 80dB at 1KHz

CONTACT

• ©American Audio®
• A Division of American DJ®
• American Audio World Headquarters:
• 4295 Charter Street
• Los Angeles, CA 90058 USA
• Tel: 323-582-2650 Fax: 323-582-2610
• Web: www.AmericanAudio.us.
• E-mail: info@AmericanAudio.us.
• ©American Audio®
• www.AmericanAudio.us.
• Q-D1 MKII™ Instruction Manual Page 16
• American Audio
• 4295 Charter Street
• Los Angeles CA. 90058 9/05
• www.AmericanAudio.us.

References

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