Laney IRT-SLS Ironheart Tube Hybrid Guitar Amplifier User Manual

USER MANUAL

WWW.LANEY.CO.UK

DESIGNED & ENGINEERED IN THE UK BY LANEY

INTRODUCTION

Congratulations on choosing the IRT-SLS ultra-compact guitar head.

Designed and engineered in the Black Country, Great Britain and packed full of features, amazing tones and a thoroughly modern look. The IRT-SLS offers 3 channels -­ Clean, Rhythm and Lead, separate EQ’s, and two power modes depending on your requirements. A high-power mode delivering 3 to 300 watts RMS, and a standard power mode providing <1 to 60 Watts RMS.

All the tone and power you could want in a small, compact and portable package making the IRT-SLS the ULTIMATE fly-rig.

Loaded with two high voltage ECC83 tubes the IRT-SLS uses tube technology to generate its characteristic IRONHEART tones, whilst the mono block output configuration delivers all the power you could ever need.

Connecting your cabinet could not be easier ­- The IRT-SLS features combi twist sockets which can take either a Speakon connector or a regular jack.

Your IRT-SLS also features an internal dummy load which means you can use your IRT-SLS without any cabinet connected at all. Totally silent recording with no loss of tone. Recording directly from the on-board T-USB feature has been enhanced by the inclusion of studio quality cabinet emulation options, giving the IRT-SLS an amazing sound direct into your DAW.

We hope you enjoy your IRT-SLS.

WELCOME

Dear Player,

Thank you very much for purchasing your new Laney product and becoming part of the worldwide Laney family. Each and every Laney unit is designed and built with the utmost attention to care and detail, so I trust yours will give you many years of enjoyment.

Laney products have a heritage which stretches back to 1967 when I first began building valve amplifiers in my parents’ garage.

Since then we have moved on from strength to strength developing an extensive range of guitar, bass, public address, multi instrument and keyboard amplification products along with a list of Laney endorsees that includes some of the world’s most famous and respected musicians.

At the same time we believe we have not lost sight of the reason Laney was founded in the first place – a dedication to building great sounding amplification for working musicians.

Warm Regards,

Lyndon Laney
Chairman and Founder.

FRONT PANEL CONTROLS

1. INPUT 1/4″ mono jack socket for connecting an active or passive guitar. For best performance, use a good quality instrument cable.

2. PRE-BOOST SWITCH: Switches the input boost circuit on or off. The Pre-Boost circuit increases the input signal to the preamp tubes, just like placing a boost pedal in your signal path. This drives the preamp tubes harder, resulting in more distortion. This works on all channels.
   PRE-BOOST CONTROL: Controls the level of boost applied to the guitar signal.
   PRE-BOOST LED: The led will illuminate when the Pre-Boost control is activated.

3. LEAD GAIN: Controls the level of preamp distortion on the Lead chanel. Turning this control clockwise will add more distortion to your guitar signal, ranging from light overdrive, to full on metal. Use this in conjunction with the Lead Volume Control (6) to achieve the correct volume and distortion level you require. With the Volume control set below 6, you will only get preamp distortion. Turning past 7 will progressively add distortion from the output stage.

4. LEAD EQ CONTROLS: A traditional set of passive tone controls. Passive controls have the advantage of sounding musical due to their unique interactive nature. This gives the player a more natural set of tools to shape their ideal sound. Set midway at 0 as a good starting point.

5. LEAD EQ PULL SWITCHES: Pulling on each of the EQ control knobs will shift the response of each control as follows:
   • Bass: Deep – This extends the low-end frequency response, resulting in a fuller, heavier sound for lower notes.
   • Mid: Shift – This lowers the frequency range of the Mid control to give a tighter sound.
   • Treble: Shift – This broadens the Treble control frequency response, to give a rounder sound to higher notes, especially when used with thin sounding pickups.

6. LEAD VOLUME: Controls the Lead channel volume. Experiment with different combinations of the Drive and Volume controls to achieve different sounds. Reducing the Drive while increasing the Volume will result in a warm, open, over-driven sound as the output section is driven harder, while reducing the Volume and increasing the Drive will give a tighter, more modern sound with more distortion. Once set, try using your guitar’s volume controls to interactively adjust tone and distortion levels.

7. CHANNEL SWITCH & LEDs: Switches between the Lead and Clean/Rhythm channels. LEDs indicate currently active channel.

8. CLEAN/RHYTHM SWITCH & LED: This switch activates the Clean mode on the Rhythm channel. When operated, the Clean Volume control becomes active, while Rhythm Gain (9) and Rhythm Volume (12) are removed from the signal path. When using clean mode, the preamp gain is lowered, resulting in a cleaner tone. LED indicates that Clean mode is active.
   CLEAN VOLUME: Use this to control the volume of the amplifier when using Clean mode. The amp can still be driven to overdrive with the control turned to 7 or more and can be driven harder by using the Pre-Boost.

9. RHYTHM GAIN: As Lead Gain (3).

10. CLEAN/RHYTHM EQ CONTROLS: As Lead EQ Controls (4).

11. CLEAN/RHYTHM EQ PULL SWITCHES: As Lead EQ Pull Switches (5).

12. RHYTHM VOLUME: As Lead Volume (6).

13. TONE: This Tone control works in a similar fashion to the Tone control you probably have on your guitar except that it uniquely works at the other end of the amplification chain. This has the ability to not only control the overall top end response but also reduce upper harmonics on the output stage and preamplifier overdrive sounds. This will give you bright cutting sounds at high settings and smooth rounded sounds at lower settings. Midway (0) is a good starting point.

14. REVERB: Controls the level of the built in Laney-designed digital reverb.
    Reverb is not applied to signal connected to the Aux Input.

15. WATTS: Controls the overall output of the amplifier and has two modes of operation.
    • Pull position – High Power Mode : A variable output with a maximum of 300W into 4 Ohms. As an indicator, the Tube Status LED (16) turns blue. Before using this mode please check the power ratings of your chosen cabinets.
    • Push position – Normal Power Mode: A variable output with a maximum of 60W into 4 Ohms, but the character and ‘Tube Warmth’ of the tone remains.
    The Watts control is not applied to Aux Input signals.

16. TUBE STATUS MONITOR: When you first power up your IRT-SLS, the following will happen:
    1: The led will flash at a steady rate – the tubes are warming up. This could take up to 30 seconds.
    2: The led is continuously on – the amplifier is now ready for use.

REAR PANEL CONTROLS

Please note additional safety instructions and serial number on bottom panel of unit.

1 UNIVERSAL POWER INLET: This socket accepts a standard IEC grounded connector supplied with the product.
The unit must be earthed under all circumstances! Input voltages from ~100V to ~240V 50-60Hz can be used around the world without need for fuse or voltage changes to the product. Always disconnect the power connector when the amplifier is not in use.
Tip: Ensure the Watts control (15) is in Push position before powering Up.

2 POWER SWITCH: This fully disconnects the mains power to the amplifier. At switching on, the Valve Status LED will begin to flash. The amount of time for the amplifier to be ready for use depends on ambient and tube temperatures.

3 D.I: This connector provides a balanced line level feed, primarily used for connecting to a PA sound desk. Level is adjusted with its dedicated control and any problems with earth loops can be dealt with by utilisation of the Ground Lift control. The D.I signal is routed via an Emulation circuit and a switch to allow Emulation bypass or a choice of two emulation types.
• EMULATION 1 – a bright guitar cabinet.
• EMULATION 2 – a dark guitar cabinet.

4 USB: Record replay connector, (Dry on left channel, processed on right channel). USB2.0 is compatible with Windows XP ® operating system, Windows 7 ® operating system & Windows 8 ® operating system. Also compatible with Mac ® & iPad ®1-3 via camera USB adaptor, iPad ® 4 & iPad Mini ® via Lightning-USB camera adaptor cable.
• Re-amp output jack allows Dry return signal from USB to be connected via jack cable to the Amp input.
Additional information on pages 13-16.

5 PHONES: A standard 6.35mm stereo jack socket for use with headphones or to provide a stereo feed to a PA system. A level control is provided for comfortable listening/ level balancing and the signal source is set via the selector switch. Three options are available:
• USB+AMP – a mix of the USB Left and Right and signals running through the IRT-SLS.
• USB – a mix of the USB Left and Right and signals only.
• AMP – signal running through the amp only.
Ensure the level is turned down before connecting headphones to avoid unexpected excessive volume levels.
When phones are connected, the amplifier output is disabled – this can take a couple of seconds.

6 AUXILIARY INPUT: A standard 3.5mm jack socket for the connection of backing tracks etc. and level balanced with the accompanying Level control. The Aux signal is inserted post Reverb and is present at the D.I and Headphone sockets, but not the Insert Send.
Ensure the level is turned down before connecting a signal to avoid unexpected excessive volume levels and potential speaker damage.

7 FX LOOP: This is an insert type loop so all of the signal is passed to the external processor. The mixing of the dry and effect signal must be controlled in your external processor. A switch is provided to allow two nominal levels of loop signal and a bypass option.

8 REMOTE: A 5 pin DIN socket to connect the included FS4-IRT. In addition to this, there are two stereo jack sockets (providing the same control functions as the DIN) and allowing for user flexibility. A midi switcher could utilise these connections for example.

(DIN pin 1 – Foot switch jack 2 -Tip – REVERB )
(DIN pin 4 – Foot switch jack 2 – Ring – BOOST )
(DIN pin 3 – Foot switch jack 1 – Tip – LEAD/RHYTHM )
(DIN pin 5 – Foot switch jack 1- Ring – CLEAN/RHYTHM )

9 SPEAKER CONNECTOR: Use a high quality Speakon connector (or equivalent) to attach your favourite cabinet. If you don’t have a male Speakon plug, a standard mono ¼” jack connector can be used.
IMPEDANCE SELECTOR SWITCH: Used to select the optimum load impedance matching. It should be set to match the total load of the connected loud speakers. Incorrect setting will not cause damage or reduced power, but your potential sound quality may be compromised.

Pay attention to the impedance if multiple cabs are used.
4-8 Ω setting: 1×4 Ω , 2×8 Ω cab or 2×16 Ω cabs (connected in parallel).
16 Ω setting: 1×16 Ω cab.
This amplifier is safe to operate without speakers connected. This enables use with only headphones or just as a pre-amplifier within your DAW system.

UP AND RUNNING

Before connecting a cabinet, check your settings are correct:

IMPEDANCE SELECTOR SWITCH: Used to select the optimum load impedance matching. It should be set to match the total speaker load connected to the output socket. Incorrect setting will not cause damage, but output power and sound quality may be compromised.

SPEAKER CONNECTORS: The minimum recommended load is 4 Ohms. Speakon connectors are advised for connecting your cabinets but ¼” speaker jacks and cable can be used. Do not use microphone or instrument cables.

Always switch off and disconnect the power cord when not in use.

Check out the rest of the IRT cabinet range at www.Laney.co.uk

The IRT-SLS can be connected to your chosen cabinet via Speakon to jack, or jack to jack connectors in either a single or multiple cabinet configuration (as shown above).

CONNECTIONS

1. In this example, the D.I feed is connected to a Mixing console or stage monitor.
   In the event of hum caused by a ground loop lift the ground (audio ground) with the ground Lift switch.

2. Remote: A 5 pin DIN connector is provided for connecting a Laney FS4-IRT foot-switch.
   The functions controlled are:
   LEAD, CLEAN, REVERB and BOOST.
   The adjacent LED and associated front panel LED will illuminate when the function is active.
   Please note: External switching is via the 5 pin DIN OR the jack connections – not both at the same time.

3. Laney CXP – powered monitor.

4. Mixing desk.

1. PHONES and AUX: Ensure the level controls are turned down before using to avoid unexpected or potentially damaging volume levels!
2. Mobile phone Mp3 player
3. Outboard FX unit
4. REMOTE: The secondary jack remote connections could be used to connect your IRT-SLS to a suitable TRS switchable pedal board.
5. Pedal Board

USB INTERFACE FOR PC, MAC AND iPAD

USB Interface options:

• USB2.0 Bidirectional to PC/Mac/iPad etc.
• Record output of amplifier with or without a speaker load connected.
• Simultaneously record dry guitar signal for later processing or Re-Amping.
• Re-Amp guitar track changing the settings as required.
• Re-Amp guitar track with external stomp boxes as required.
• Add tube amplifier and/or power amplifier warmth to digital guitar tracks with or without speaker load.

Record out via USB

To run into iPad or iPad mini connect via a Camera USB adaptor, PC/MAC connects via standard A-B USB cable, for use with the Garage Band ®, Audacity ®, MixPad Audio Mixer ®, Pro Tools and similar. It should be noted that the audio output of an iPad or iPad mini is disengaged and returned via the USB. This can be picked up via a rear panel monitor switch on the amplifier headphones in stereo, or if required, routed into a PA system/powered cabinets.

Re-Amp Facility

During recording to your chosen DAW, the left channel carries an unprocessed guitar signal, with the right carrying the amplifier processed signal. If you need to separate the clean and processed signals, simply copy the track in stereo with one track panned left and the other track panned right, then both raw and processed signals are available independently.
This allows for the re-amplifying of a sound that may have been over processed initially. To re-amp via Garage Band on the iPad, solo the original channel and record a new one with the ‘link cable’ in place. More information is available on the following pages.

The processed signal can be emulated or non-emulated dependant on the cabinet emulation switch selection.

USB INTERFACE FOR PC, MAC & iPAD

IRT-SLS USB Recording:

Connect your USB recording device (PC/MAC or iPad) via an appropriate USB cable.
Your amplifier will send two audio tracks to your recording device:
(1) On the Left channel the direct unaffected guitar signal.

This can be used at a later date for “Re-Amping”.

(2) On the Right channel the amplified fully processed signal.
These can be split into separate tracks in various ways dependent on your software. The signal level of the left channel, sent to the recording device, can be adjusted with the rear panel level control.
The signal level of the right channel is controlled by the IRT-SLS volume controls.
The processed signal sent to the right channel can be emulated or left untreated via the emulation switch. (Note this switch also affects the signal being sent via the XLR D.I out).

Alternatively record left and right as two separate tracks for maximum flexibiIity.

All this can be done without a speaker load connected.
However adding a speaker can in some cases give extra mechanical dynamics to the recorded sound.

USB INTERFACE FOR PC, MAC & iPAD

IRT-SLS USB “Re-Amping”:

Connect USB cable between the amplifier and recording device, then connect a good quality screened guitar cable from the rear panel “Re-Amp” output jack and loop round the front panel to guitar input jack.

Route lead in an anti-clockwise direction around the amplifier to avoid hum pick-up from the power transformer.

Output the original unprocessed guitar track by monitoring it on your record device.

For lowest noise performance, adjust the Dry signal send control for the maximum undistorted record level on your DAW.

Start your record device. The monitored track will be sent to the amplifier input and the device will record the now processed signal from the amplifier output. The controls on the amplifier can be adjusted to obtain the new sound you require.
You will now have the original track and the new re-processed version.

Make sure your monitor track output is being sent to the left channel output or both.

USB INTERFACE FOR PC, MAC & iPAD

IRT-SLS USB “Re-Amping” with added Stomp box Effects:

Proceed as normal for “Re-Amping” except in this case insert your FX box/s into the Guitar lead from the Re-Amp out jack to the Guitar amplifier input. The recorded Left channel will contain the original unprocessed signal now with your effects only added. The right channel will contain the same sound but also processed via the Studio amplifier.

QUICK START SETTINGS

Use the Watts to control the overall volume of the IRT-SLS.
In the Rhythm and Lead examples, the output section is pushed into output distortion when the volume controls are set at 7 or above.

TUBE TIPS

The IRT-SLS uses specially selected and tested high voltage pre-amp tubes which should give you years of trouble free service. However like all tube amps; it is important to treat it with a certain amount of care. Use the following steps as a guide for how to take care of your amplifier:

• Take care when moving the amplifier. Tubes are fragile glass components, they can easily be damaged if thrown in and out of a van.
• Allow the amplifier to warm up to room temperature before switching it on: the sudden thermal shock can crack a cold glass tube enclosure, plus any moisture is bad news around high voltage electronics.
• After playing, allow the amplifier to cool down before moving. Hot tubes are more fragile than cool ones.

A tubes life expectancy is based upon a number of factors which include operating temperature, how hard and how often it is played, vibration due to travel, etc. Tubes should be changed in your amplifier if you notice any deterioration in your amplifiers sound or performance. Otherwise, they need not be changed at any regular interval.
Problematic tubes can cause crackling noises, hiss, excessive distortion, microphony and low output power.

Important: The user should not attempt to service this product!

Method for replacing tube V1 and V2 (by Qualified Service Engineers only).
Firstly switch off and unplug the amplifier from the mains supply. Remove the top cover. The tubes are protected with screen cans; to remove, push down and twist the can anti clockwise and then pull up. The tube can now be gently pulled out. Take care when inserting the new tube to make sure all pins are correctly aligned. Replace the top cover before connecting to the mains supply.

Important: ONLY fit the recommended tube types:

V1: ECC83 – part number – 005570

V2: ECC83 – part number – 005550
Failure to do so could result in malfunction/mis-opertaion of your IRT-SLS.

DO NOT operate with the top cover removed.

BLOCK DIAGRAM

Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
Mac, Mac OS & iPad are trademarks of Apple Inc., registered in the U.S. and other countries.
Audacity is a trademark of Dominic Mazzoni.
MixPad Audio Mixer is a trademark of NCH Software, Inc.
Pro Tools is a trademark registered in the United States by Avid Technology, Inc.
Speakon is a trademark of Neutrik®AG.
(USB2.0 is compatible with Windows 10 ® operating system, Windows 8 ® operating system & Windows 7 ® operating system. Also compatible with Mac ® & iPad ® 1-3 via camera USB adaptor, iPad ® & iPad Mini ® via Lightning-USB camera adaptor cable.)
Speakon is a trademark of Neutrik®.

SPECIFICATIONS

power)
Power Output (RMS):| High power mode: 300W into 4Ω / 150W into 8Ω / 75W into 16Ω
**| Standard power mode: 60W into 4Ω / 30W into 8Ω / 15W into 16Ω
Load Impedance:| Setting 1: 1×8Ω, 2×16Ω, 2×8Ω
**| Setting 2: 1×16Ω
Input Impedance:| 1MΩ & 47Pf
FX Loop Sensitivity:| 0dBu/-10dBu (Nominal dependant on control settings)
USB:| 44.1kHz Standard Slave CODEC (PC/MAC/iPad compatible)
Unit Dimensions:| H70mm, W318mm, D235mm
Carton Dimensions:| H150mm, W442mm, D299mm
Weight:| 3.5Kg (Unit) 6Kg (Packed)
Construction/ features:| Sturdy steel chassis
| Ergonomic and stylish handle design
|

In the interest of continued development, Laney reserves the right to amend product specification without prior notification.

USER MANUAL

SAFETY INFORMATION

WWW.LANEY.CO.UK

DESIGNED & ENGINEERED IN THE UK BY LANEY

GENERAL INSTRUCTIONS

In order to take full advantage of your new product and enjoy long and trouble-free performance, please read this owner’s manual carefully, and keep it in a safe place for future reference.

1) Unpacking: On unpacking your product please check carefully for any signs of damage that may have occurred whilst in transit from the Laney factory to your dealer. In the unlikely event that there has been damage, please re-pack your unit in its original carton and consult your dealer. We strongly advise you to keep your original transit carton, since in the unlikely event that your unit should develop a fault, you will be able to return it to you dealer for rectification securely packed.

2) Amplifier Connection: In order to avoid damage, it is advisable to establish and follow a pattern for turning on and off your system. With all system parts connected, turn on source equipment, tape decks, cd players, mixers, effects processors etc, BEFORE turning on your amplifier. Many products have large transient surges at turn on and off which can cause damage to your speakers. By turning on your bass amplifier LAST and making sure its level control is set to a minimum, any transients from other equipment should not reach your loud speakers. Wait till all system parts have stabilised, usually a couple of seconds. Similarly when turning off your system always turn down the level controls on your bass amplifier and then turn off its power before turning off other equipment.

3) Cables: Never use shielded or microphone cable for any speaker connections as this will not be substantial enough to handle the amplifier load and could cause damage to your complete system.

4) Servicing: The user should not attempt to service these products. Refer all servicing to qualified service personnel.

| Intended to alert the user to the presence of uninsulated ‘Dangerous Voltage’ within the products enclosure that may be sufficient to constitute a risk of electrical shock to persons.
---|---
| Intended to alert the user of the presence of important operating and maintenance (Servicing) instructions in the literature accompanying the product.
CAUTION:| Risk of electrical shock – DO NOT OPEN.

To reduce the risk of electrical shock, do not remove the cover. No user serviceable parts inside. Refer servicing to qualified personnel.

WARNING:| To prevent electrical shock or fire hazard, do not expose this appliance to rain or moisture. Before using this appliance please read the operating instructions for further warnings.

FCC COMPLIANCY STATEMENT

This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:

1. This device may not cause harmful interference
2. This device must accept any interference received, that may cause undesired operation.
   Warning: Changes or modification to the equipment not approved by Laney can void the user’s authority to use the equipment.
   Note: This equipment has been tested and found to comply with the limits for Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures.

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help ————————————————————————————————————————–

This product conforms to the requirements of the following European Regulations, Directives & Rules:
CE Mark (93/68/EEC), Low Voltage 2014/35/EU, EMC (2014/30/EU), RoHS (2011/65/EU), RED (2014/30/EU), ErP 2009/125/EU ————————————————————————————————————————–
In order to reduce environmental damage, at the end of its useful life, this product must not be disposed of along with normal household waste to landfill sites. It must be taken to an approved recycling centre according to the recommendations of the WEEE (Waste Electrical and Electronic Equipment) directive applicable in your country. —————————————————————————————————————————
SIMPLIFIED EU DECLARATION OF CONFORMITY
Hereby, Laney Electronics Ltd. declares that the radio equipment is in compliance with Directives 2014/53/EU,
2011/65/EU,
2009/125/EU
Full text of the EU declaration of conformity is available at the following internet address:
support.laney.co.uk/approvals
—————————————————————————————————————————

The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Headstock Distribution Ltd is under license. Other trademarks and trade names are those of their respective owners. Laney is a registered trademark of Headstock Distribution Ltd.
INCORPORATED RADIO EQUIPMENT DEVICE TECHNICAL SPECIFICATION:

Frequency Range:                    2402-2480MHz
Transmit Power:                     +8dBm (6.3mW)
Receiver Sensitivity:                -91dBm
Operating Protocol:                Bluetooth Class 2
—————————————————————————————————————————

IMPORTANT SAFETY INSTRUCTIONS

WARNING: When using electrical products, basic cautions should always be followed, including the following:

1. Read these instructions.
2. Keep these instructions safe.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any of the ventilation openings. Install in accordance with manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat.
9. An apparatus with Class I construction shall be connected to a mains socket outlet with a protective connection. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point they exit from the apparatus.
11. Only use attachments/accessories provided by the manufacturer.
12. Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13.The mains plug or appliance coupler is used as the disconnect device and shall remain readily operable. The user should allow easy access to any mains plug, mains coupler and mains switch used in conjunction with this unit thus making it readily operable. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as when power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15. Never break off the ground pin. Connect only to a power supply of the type marked on the unit adjacent to the power supply cord.
16. If this product is to be mounted in an equipment rack, rear support should be provided.
17. Note for UK only: If the colours of the wires in the mains lead of this unit do not correspond with the terminals in your plug, proceed as follows:
a) The wire that is coloured green and yellow must be connected to the terminal that is marked by the letter E, the earth symbol, coloured green or coloured green and yellow.
b) The wire that is coloured blue must be connected to the terminal that is marked with the letter N or the colour black.
c) The wire that is coloured brown must be connected to the terminal that is marked with the letter L or the colour red.
18.This electrical apparatus should not be exposed to dripping or splashing and care should be taken not to place objects containing liquids, such as vases, upon the apparatus.
19. Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time.

Duration Per Day in Hours

8

6

4

3

2

1 ½

1

½

¼ ou inferieur

| Sound Level dBA, slow response

90

92

95

97

100

102

105

110

115

---|---

The U.S. Government’s Occupational Safety and Health Administration (OSHA) has specified the following permissible noise level exposures: According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Earplugs or protectors to the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss, if exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.
20. Symbols & nomenclature used on the product and in the product manuals, intended to alert the operator to areas where extra caution may be necessary, are as follows:

 Intended to alert the user to the presence of high ‘Dangerous Voltage’ within the products enclosure that may be sufficient to constitute a risk of electrical shock to persons.

Intended to alert the user of the presence of important operating and maintenance (Servicing) instructions in the literature accompanying the product.

Risk of electrical shock – DO NOT OPEN. To reduce the risk of electrical shock, do not remove the cover. No user serviceable parts inside. Refer servicing to qualified personnel.

To prevent electrical shock or fire hazard, do not expose this appliance to rain or moisture. Before using this appliance please read the operating instructions.

If your appliance features a tilting mechanism or a kickback style cabinet, please use this design feature with caution. Due to the ease with which the amplifier can be moved between straight and tilted back positions, only use the amplifier on a level, stable surface. DO NOT operate the amplifier on a desk, table, shelf or otherwise unsuitable non-stable platform.

USER MANUAL

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