ALPINE MRV-F450 5 4 3 Channel Power Amplifier Owner’s Manual

June 13, 2024
Alpine

MRV-F450
5/4/3 CHANNEL POWER AMPLIFIER
MRV-F540/MRV-F340
4/3/2 CHANNEL POWER AMPLIFIER
ALPINE MRV-F450 5 4 3 Channel Power Amplifier

OWNER’S MANUAL

Please read this manual to maximize your enjoyment of the outstanding performance and feature capabilities of the equipment, then retain the manual for future reference.

ACCESSORIES

  • End Cover ………………………………………………….. 1
  • Terminal Cover …………………………………………… 1
  • Bracket ……………………………………………………… 2
  • Hexagon Wrench (M3) ………………………………… 1
  • Hexagon Wrench (M4) ………………………………… 1
  • Self-Tapping Screw …………………………………….. 4
  • Machine Screw …………………………………………… 4
  • Hexagon Screw (M3) ………………………………….. 2
  • Hexagon Screw (M4) ………………………………….. 3
  • Double Face Tape …………………………………. 1 SET
  • Cushion ………………………………………………. 1 SET
  • Insulation Tube (for Power Supply/ for Speaker Output) ……………………………… 1 SET
  • Rubber pipe ……………………………………………….. 1
  • Speaker Input Connector (MRV-F340 only) …….. 1

Introduction

Please read this OWNER’S MANUAL thoroughly to familiarize yourself with each control and function.
We at ALPINE hope that your new MRV-F450/MRV-F540/MRVF340 will give you many years of listening enjoyment.
In case of problems when installing your MRV-F450/ MRV-F540/MRV-F340, please contact your authorized ALPINE dealer.
CAUTION : These controls are for tuning your system.
Please consult your authorized Dealer for adjustment.

WARNING| This symbol means important instructions.
Failure to heed them can result in serious injury or death.
---|---
CAUTION| This symbol means important instructions.
Failure to heed them can result in injury or property damages.

WARNING

DO NOT OPERATE ANY FUNCTION THAT TAKES YOUR ATTENTION AWAY FROM SAFELY DRIVING YOUR VEHICLE.
Any function that requires your prolonged attention should only be performed after coming to a complete stop. Always stop the vehicle in a safe location before performing these functions. Failure to do so may result in an accident.

KEEP THE VOLUME AT A LEVEL WHERE YOU CAN STILL HEAR OUTSIDE NOISE WHILE DRIVING. Failure to do so may result in an accident.
DO NOT DISASSEMBLE OR ALTER. Doing so may result in an accident, fire or electric shock.
USE THIS PRODUCT FOR MOBILE 12V APPLICATIONS.
Use for other than its designed application may result in fire, electric shock or other injury.
USE THE CORRECT AMPERE RATING WHEN REPLACING FUSES.
Failure to do so may result in fire or electric shock.
DO NOT BLOCK VENTS OR RADIATOR PANELS. Doing so may cause heat to build up inside and may result in fire.
MAKE THE CORRECT CONNECTIONS. Failure to make the proper connections may result in fire or product damage.
USE ONLY IN CARS WITH A 12 VOLT NEGATIVE GROUND. (Check with your dealer if you are not sure.) Failure to do so may result in fire, etc.
BEFORE WIRING, DISCONNECT THE CABLE FROM THE NEGATIVE BATTERY TERMINAL. Failure to do so may result in electric shock or injury due to electrical shorts.

DO NOT ALLOW CABLES TO BECOME ENTANGLED IN SURROUNDING OBJECTS. Arrange wiring and cables in compliance with the manual to prevent obstructions when driving. Cables or wiring that obstruct or hang up on places such as the steering wheel, gear lever, brake pedals, etc. can be extremely hazardous.

DO NOT SPLICE INTO ELECTRICAL CABLES. Never cut away cable insulation to supply power to other equipment. Doing so will exceed the current carrying capacity of the wire and result in fire or electric shock.
DO NOT DAMAGE PIPE OR WIRING WHEN DRILLING HOLES. When drilling holes in the chassis for installation, take precautions so as not to contact, damage or obstruct pipes, fuel lines, tanks or electrical wiring.
Failure to take such precautions may result in fire.
DO NOT USE BOLTS OR NUTS IN THE BRAKE OR STEERING SYSTEMS TO MAKE GROUND CONNECTIONS. Bolts or nuts used for the brake or steering systems (or any other safety-related system), or tanks should NEVER be used for installations or ground connections. Using such parts could disable control of the vehicle and cause fire etc.
KEEP SMALL OBJECTS SUCH AS BOLTS OR SCREWS OUT OF THE REACH OF CHILDREN. Swallowing them may result in serious injury. If swallowed, consult a physician immediately.

CAUTION

HALT USE IMMEDIATELY IF A PROBLEM APPEARS. Failure to do so may cause personal injury or damage to the product. Return it to your authorized Alpine dealer or the nearest Alpine Service Center for repairing.
HAVE THE WIRING AND INSTALLATION DONE BY EXPERTS. The wiring and installation of this unit requires special technical skill and experience. To ensure safety, always contact the dealer where you purchased this product to have the work done.
USE SPECIFIED ACCESSORY PARTS AND INSTALL THEM SECURELY. Be sure to use only the specified accessory parts. Use of other than designated parts may damage this unit internally or may not securely install the unit in place. This may cause parts to become loose resulting in hazards or product failure.
ARRANGE THE WIRING SO IT IS NOT CRIMPED OR PINCHED BY A SHARP METAL EDGE. Route the cables and wiring away from moving parts (like the seat rails) or sharp or pointed edges. This will prevent crimping and damage to the wiring. If wiring passes through a hole in metal, use a rubber grommet to prevent the wire’s insulation from being cut by the metal edge of the hole.
DO NOT INSTALL IN LOCATIONS WITH HIGH MOISTURE OR DUST. Avoid installing the unit in locations with high incidence of moisture or dust. Moisture or dust that penetrates into this unit may result in product failure.

INSTALLATION

Due to the high power output of the MRV-F450/MRVF540/MRV-F340, considerable heat is produced when the amplifier is in operation. For this reason, the amplifier should be mounted in a location which will allow for free circulation of air, such as inside the trunk. For alternate installation locations, please contact your authorized Alpine dealer.

  1. Using the amplifier as a template, mark the four screw locations.

  2. Make sure there are no objects behind the surface
    that may become damaged during drilling.

  3. Drill the screw holes.

  4.  Position the MRV-F450/MRV-F540/MRV-F340 over the screw holes, and secure with four self-tapping screws.

NOTE:
To securely connect the ground lead, use an already installed screw on the metal part of the vehicle (marked (★)). Be sure this is a good ground by checking continuity to the battery (–) terminal. As much as possible connect all equipment to the same ground point. These procedures will help eliminate noise.

  1. Self-Tapping Screws (M4 x 14)
  2. Ground Lead
  3. Chassis
  4. Holes

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Ground
Lead

MOUNTING THE END COVERS

  • The product’s appearance can be improved by mounting the end covers on the main unit after installation.
  • Mount the end covers after installing the main unit.
  1. Mounting the brackets
  1. Use the included machine screws 6 to mount the two included brackets 5 onto the side opposite the terminal surface.
    ALPINE MRV-F450 5 4 3 Channel Power Amplifier -
brackets NOTE: Applying the double face tape Perform the procedure below when you want to securely fasten the end cover or when you do not plan on removing the cover once it is mounted.

    1.  Peel off the paper from one side of the included double face tape 7.
    2.  Apply one piece of double face tape 7 to the upper surface of the two brackets 5.
    3. Peel off the paper from the other side of the double face tape 7.
  1. Applying the cushion
  1. Peel off the paper from the included cushion 8.
  2. Apply the cushion 8 to the rear side of the end cover 9.
  1.  Mounting the end covers
  1. Mount the end covers 9 to the brackets 5.
    Set the bracket 5 vertically from the top side.
    NOTE:
    To remove the bracket 5, push up vertically from the bottom upwards, in the opposite direction of when the bracket was installed.
    ALPINE MRV-F450 5 4 3 Channel Power Amplifier - covers

CONNECTIONS

Before making connections, be sure to turn the power off to all audio components. Connect the yellow battery lead from the amp directly to the positive (+) terminal of the vehicle’s battery. Do not connect this lead to the fuse block.
To prevent external noise from entering the audio system.

  • Locate the unit and route the leads at least 10 cm away from the car harness.
  • Keep the battery power leads as far away from other leads as possible.
  • Connect the ground lead securely to a bare metal spot (remove any paint or grease if necessary) of the car chassis.
  • If you add an optional noise suppressor, connect it as far away from the unit as possible. Your Alpine dealer carries various noise suppressors, contact them for further information.
  • Your Alpine dealer knows best about noise prevention measures so consult your dealer for further information.
  1. RCA Subwoofer Input Jacks (CH-5) (MRV-F450 only)

  2. RCA Input Jacks
    Connect these jacks to the line out leads on your head unit using RCA extension cables (sold separately). Be sure to observe correct channel connections; Left to Left and Right to Right. (Front to Front and Rear to Rear)

  3.  Pre-Out Jacks (Except for MRV-F450)
    These jacks provide a Front + Rear summed output (Non-fading). This is an ideal output for driving a separate subwoofer amp. This output is full-range, and is not affected by the crossover.

  4. Subwoofer Output Terminals (CH-5) (MRV-F450 only)

  5. Speaker Output Terminals
    The MRV-F450/MRV-F540/MRV-F340 has two sets of speaker outputs. Be sure to observe correct speaker output connections and phasing. In the stereo mode, connect the right speaker outputs to the right speaker and the left to left. Connect the positive output to the positive speaker terminal and the negative to negative. In the bridged mode, connect the left positive to the positive terminal on the speaker and the right negative to the negative terminal of the speaker. Do not use the speaker (–) terminals as a common lead between the left and right channels. Do not connect this lead to the vehicle’s chassis.
    NOTE: Do not connect speaker leads together or to chassis ground.

  6.  Insulation Tube

  7. Battery Lead (Yellow) (Sold Separately)
    Be sure to add a ★ 50 amp fuse (or two 25A fuses in parallel) as close as possible to the battery’s positive (+) terminal. This fuse will protect your vehicle’s electrical system in case of a short circuit. If you need to extend this lead, the wire gauge should be 8 AWG or larger.
    ★ MRV-F450 … 50 amp fuse (or two 25A fuses in parallel)
    MRV-F540 … 60A amp fuse (or two 30A fuses in parallel)
    MRV-F340 … 30A amp fuse

  8. Remote Turn-On Lead (Blue/White) (Sold Separately)
    Connect this lead to the remote turn-on or power antenna (positive trigger, (+) 12V only) lead of your head unit.

  9. Ground Lead (Black) (Sold Separately)
    Connect this lead securely to a clean, bare metal spot on the vehicle’s chassis. Verify this point to be a true ground by checking for continuity between that point and the negative (–) terminal of the vehicle’s battery. Ground all your audio components to the same point on the chassis to prevent ground loops.

  10. Speaker Input Leads (MRV-F340 only)
    These leads are input leads for use with head units not equipped with preamp outputs. When not using the RCA Line Input connectors, you should connect these wires to the speaker output leads of your head unit. The MRV-F340 accepts input from high power or standard power head units.

  11. Front Left Speaker (White (+)) (MRV-F340 only)

  12. Front Left Speaker (White/Black (–)) (MRV-F340 only)

  13. Front Right Speaker (Gray (+)) (MRV-F340 only)

  14.  Front Right Speaker (Gray/Black (–)) (MRV-F340 only)

  15.  Rear Left Speaker (Green (+)) (MRV-F340 only)

  16. Rear Left Speaker (Green/Black (–)) (MRV-F340 only)

  17. Rear Right Speaker (Violet (+)) (MRV-F340 only)

  18. Rear Right Speaker (Violet/Black (–)) (MRV-F340 only)

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Hexagon screw
\(

Cautions on wire lead connections When using third-party wire cables (power supply cord), use the supplied hex screws (M4) and the hex wrench (M4) to simplify the connection.
Refer to the description below for the proper procedure.
If you are in doubt about how to make this connection, consult your dealer.

  1. Check the wire size.
    Notes:
    • Recommended wire size for this unit is AWG6 – AWG18.
    • If the wire gauge used is unknown, ask your dealer.

  2. Remove the insulation from the ends of the wire leads by about 7 – 10mm (9/32″ – 3/8″). (Fig. 9)
    Notes:
    • If length of the exposed wire is too short, a poor connection may occur causing operation failure or sound interruption.
    • On the other hand, if the length is too long, an electrical short-circuit may occur.

  3.  Remove the screw attached to the terminal. Insert the exposed wire end into the lead terminal. Tighten the hex screw (M4) with the hex wrench (M4), to fix the lead. (Fig. 10)
    Before making this connection, use insulated shrink tubing to cover any exposed wire extending beyond the terminal.
    Notes:
    • Use only the hex screws (M4) supplied.
    • For the safety, always connect the battery leads last.
    • To prevent disconnection of the leads or dropping of the unit, do not use the cabling to carry the unit.

CONNECTIONS CHECK LIST

Please check your head unit for the conditions listed below:
a. The head unit does not have a remote turn-on or power antenna lead.
b. The head unit’s power antenna lead is activated only when the radio is on (turns off in the tape or CD Mode).
c. The head unit’s power antenna lead is logic level output (+) 5V, negative trigger (grounding type), or cannot sustain (+) 12V when connected to other equipment in addition to the vehicle’s power antenna.
If any of the above conditions exist, the remote turn-on lead of your MRV-F450/MRV-F540/MRV-F340 must be connected to a switched power source (ignition) in the vehicle. Be sure to use a 3A fuse as close as possible to this ignition tap. Using this connection
method, the MRV-F450/MRV-F540/MRV-F340 will turn on and stay on as long as the ignition switch is on.
If this is objectionable, a SPST (Single Pole, Single Throw) switch, in addition to the 3A fuse mentioned above, may be installed in-line on the MRV-F450/MRVF540/MRV-F340 turn-on lead. This switch will then be used to turn on (and off) the MRV- F450/MRV-F540/ MRV-F340. Therefore, the switch should be mounted so it is accessible to the driver. Make sure the switch is turned off when the vehicle is not running. Otherwise, the amplifier will remain on and drain the battery.

  1. Blue/White
  2.  Power Antenna
  3. Remote Turn-On Lead
  4. To other Alpine components’ Remote Turn-On Leads
  5. SPST Switch (optional)
  6. Fuse (3A)
  7. As close as possible to the vehicle’s ignition tap
  8. Ignition Source

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Hexagon screw
\(

MOUNTING THE TERMINAL COVER

  •  The product’s appearance can be improved by mounting the terminal cover on the main unit after installation.
  • Mount the terminal cover after the connections have been made and you have checked that operation is normal.
  1. Open the door.
  1. Use the included hexagonal wrench (M3) to remove the two hexagon screws (M3) q fastening the door p.
  2. Open the door p.
    ALPINE MRV-F450 5 4 3 Channel Power Amplifier -
TERMINAL
  1.  Mounting the terminal cover
  1. Before mounting the terminal cover
    • Fasten the cords securely together in a position in which they will not touch the terminal cover.
    • To protect the cords, cover them with the included rubber pipes near the edges of the terminal cover. Wrap commercially available cushioning tape or plastic tape around the rubber pipes and cords to fasten them.
  2. Use the two included hexagon screws (M3) e to mount the included terminal cover w to the top surface of the terminal section.
  • Tighten the screws securely so that they do not come loose due to vibrations while the vehicle is moving.
    3.  After mounting the terminal cover
    • Check that the cords do not touch the terminal cover.

  • If the cords touch the terminal cover, the vibrations of the vehicle may damage the wires or cause shortcircuiting.

    1. Fastening the door
  1. Close the door p.
  2. Mount the door p using the two original hexagon screws (M3) q.
  • Tighten the screws securely so that they do not come loose due to vibrations while the vehicle is moving.
    NOTES:
    • Be sure to fasten the door. Failure to do so may lead to malfunction.
    • The warranty will be invalidated if the unit is used with the door open.

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - SWITCH

ALPINE MRV-F450 5 4 3 Channel Power Amplifier -
hexagon

SWITCH SETTINGS

19,22,29,30,44,47 Input Gain Adjustment Control Set the MRV-F450/MRV-F540/MRV-F340 input gain to the minimum (4V) position. Using a dynamic CD as a source, increase the head unit volume until the output distorts. Then, reduce the volume 1 step (or until the output is no longer distorted). Now, increase the amplifier gain until the sound from the speakers becomes distorted. Reduce the gain slightly so the sound is no longer distorted to achieve the optimum gain setting.
20,23,46 Crossover Mode Selector Switch
a) Set to the “LP” position when the amplifier is used to drive a subwoofer. The frequencies above the crossover point will be at- tenuated at 12 dB/octave.
b) Set to the “HP” position when the amplifier is used to drive a tweeter/midrange system. The frequencies below the crossover point will be attenuated at 12 dB/octave.
c) Set to the “OFF” position when the amplifier will be used for driving full- range speakers. The full frequency bandwidth will be output to the speakers with no high or low frequency attenuation.
21,24,27 Crossover Frequency Adjustment Knob Permits adjustment of the crossover frequency, by rotating the knob to select any frequency between 50 to 200 Hz as the crossover point.
27 … Adjust a crossover frequency point for the subwoofer. The adjustment range is 30 – 400 Hz over a low frequency.
25 Input Channel Selector Switch
a) Setting this switch to “3+4” will send the signal at the inputs of CH-3/4 to CH-5 of the MRV-F450. This eliminates the need for “Y”-adaptors when using a head unit with front and rear pre-amp outputs.
b) Set this switch to “5” to have the inputs of CH-5 accept independent input signals. An example of this application would be the use of a head unit with subwoofer outputs.
c) When this switch is placed in the “1+3/ 2+4” position, all the signals are mixed and come out from the CH-5.
26 Bass EQ Adjustment Knob
Use when the Bass EQ Selector Switch is set to “ON”.
Adjust the low frequency to your favorite level between 0dB to +12dB.
28 Subsonic Mode Selector Switch
a) Set this switch to “OFF” when you want to hear tones not possible when the Subsonic filter switch is used.
b) Set to “15 Hz” when connected to subwoofers such as 10 inch (25 cm) bass speakers, if the sound seems less distorted at that setting.
c) Set to “30 Hz” when connected to ordinary speakers (not subwoofers) for instance a mid bass speaker of 8 inches (20 cm) or more if the sound seems less distorted at that setting.
31,43 High-Pass (HP) Crossover Mode Selector Switch

a) Set to the “ON” position when the am plifier is used to drive a tweeter/midrange sys tem. The frequencies below the crossover point will be attenuated at 12 dB/octave.
b) Set to the “OFF” position when the amplifier will be used for driving full- range speakers. The full frequency bandwidth will be output to the speakers with no high or low frequency attenuation.
32,42 Crossover Frequency Adjustment Knob
When the frequency multiplication switch is set to the “X1” position, the crossover frequency can be adjusted in the range of 15 to 400Hz. When the frequency multiplication switch is set to the “X20” position, the crossover frequency can be adjusted in the range of 300 Hz to 8 kHz.
33,41 Frequency Multiplication Switch
a) “X1”: Normal crossover frequency (15 to 400Hz)
b) “X20”: The crossover frequency will be multiplied by 20 (300 Hz to 8 kHz).
34,40 Low-Pass (LP) Crossover Mode Selector Switch

a) Set to the “ON” position when the amplifier is used to drive a subwoofer. The frequencies above the crossover point will be attenuated at 12 dB/octave.
b) Set to the “OFF” position when the amplifier will be used for driving full- range speakers. The full frequency bandwidth will be output to the speakers with no high or low frequency attenuation.
35,39 Crossover Frequency Adjustment Knob
When the frequency multiplication switch is set to the “X1” position, the crossover frequency can be adjusted in the range of 30 to 400Hz.
When the frequency multiplication switch is set to the “X20” position, the crossover frequency can be adjusted in the range of 600 Hz to 8 kHz.
36,38 Frequency Multiplication Switch
a) “X1”: Normal crossover frequency (30 to 400Hz)
b) “X20”: The crossover frequency will be multiplied by 20 (600 Hz to 8 kHz).
37 Input Channel Selector Switch
a) Setting this switch to “1 + 3/ 2 + 4” will sum the CH-1 and CH-3 input and send it to CH-3 while the CH-2 and CH-4 inputs are summed and sent to CH-4.
b) Set this switch to “3/4” to have the inputs of CH-3/4 accept independent input signals. An example of this application would be the use of a head unit with dual pre-amp outputs.
c) Setting this switch to “1/2” will send the signal at the inputs of CH-1/2 to CH-3/ 4 of the MRV-F540/MRV-F340. This eliminates the need for “Y”-adaptors when using a head unit with a single pair of pre-amp output.
45 Crossover Frequency Adjustment Knob
Permits adjustment of the crossover frequency, by rotating the knob to select any frequency between 30 to 400 Hz as the crossover point.
57 Status indicator
Amplifier status can be confirmed with the indicator.

  • Protection indicator (PROTECTION)
Blue Red Condition Solution
Light Amplifier circuit is normal.
Light Amplifier circuit is abnormal. Contact your autho- rized Alpine

dealer.

SYSTEM DIAGRAMS

MRV-F450

  • 5-Channel System
    ALPINE MRV-F450 5 4 3 Channel Power Amplifier - fig1

Notes:

  • When not connecting the CH-5 (SUB WF), set the Input Channel Selector to the “3+4” or “1+3/2+4”position.
  • MRV-F450 automatically switches the input mode.

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - fig2

Notes:

  • When the Input Channel Selector switch is set to 3+4, the subwoofer volume level can be adjusted with the fader on the head unit side. In this case, the volume varies with the Rear (CH-3, CH-4) channels.
  • MRV-F450 automatically switches the input mode.

48 RCA Extension Cable (Sold Separately)
49 Front
50 Rear
51 Head Unit etc.
52 Subwoofer
53 Subwoofer Output
54 Front Speakers
55 Rear Speakers

MRV-F450

  • 4-Channel System

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Channel
System2

  • 3-Channel System

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Channel
System3

48 RCA Extension Cable (Sold Separately)
49 Front
50 Rear
51 Head Unit etc.
52 Subwoofer
54 Front Speakers
56 Speaker (Full Range)
58 Y-Adaptor (Sold Separately)

MRV-F540

  • 4-Channel System

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Channel
System4

  • 3-Channel System

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Channel
System4

48 RCA Extension Cable (Sold Separately)
49 Front
50 Rear
51 Head Unit etc.
52 Subwoofer
54 Front Speakers
55 Rear Speakers

MRV-F340

  •  2-Channel System

ALPINE MRV-F450 5 4 3 Channel Power Amplifier - Channel
System5

  • Speaker Input Leads System (4-Channel System)

★ Use either RCA line level or speaker level inputs. Do not connect both at the same time

48 RCA Extension Cable (Sold Separately)
49 Front
50 Rear
51 Head Unit etc.
56 Speaker (Full Range)
58 Y-Adaptor (Sold Separately)

SPECIFICATIONS

Power Output: RMS Continuous Power (at 12.0V, 20 Hz to 20
kHz)
Per channel into 4 ohms (0.08% THD) … MRV-F450: 30Wx4
+150W
MRV-F540: 50Wx4
MRV-F340: 35Wx4
Per channel into 2 ohms (0.3% THD) ….. MRV-F450: 40Wx4
MRV-F540: 70Wx4
MRV-F340: 45Wx4
Bridged into 4 ohms (0.3% THD) ……….. MRV-F450: 80Wx2
MRV-F540: 140Wx2
MRV-F340: 90Wx2
Power Output: RMS Continuous Power (at 14.4V, 20 Hz to 20
kHz)
Per channel into 4 ohms (0.08% THD) … MRV-F450: 50Wx4
+200W
MRV-F540: 80Wx4
MRV-F340: 55Wx4
Per channel into 2 ohms (0.3% THD) ….. MRV-F450: 60Wx4
MRV-F540: 100Wx4
MRV-F340: 65Wx4
Bridged into 4 ohms (0.3% THD) ……… MRV-F450: 120Wx2
MRV-F540: 200Wx2
MRV-F340: 130Wx2
Total Max. Power …………………………………… MRV-F450: 850W
MRV-F540: 700W
MRV-F340: 500W
Frequency Response ………………. 10 Hz to 50 kHz (+0, –1 dB)
Signal-to-Noise Ratio
(referenced to rated power) …………………………………. 100 dBA
Slew factor ……………………………………………….. Greater than 5
Input Sensitivity (for rated power
output) …………………… 200mV to 4.0V (1.0V at center detent)
Input Impedance ………………………………… Line in: 10k ohms<
Speaker in: 15 ohms
Speaker Impedance …………………………. 4 or 2 ohms (Stereo),
4 ohms (Bridged)
Active Dividing Network Frequency and
Slope ………………………………… 50 to 200 Hz, 12 dB per octave
Power Requirement ……………… 11 – 16V DC Negative Ground
Dimensions (W x H x D)
MRV-F450 ………………………….. 420mm x 68mm x 247mm
(16-7/16″ x 2-11/16″ x 9-11/16″)
MRV-F540 ………………………….. 420mm x 68mm x 247mm
(16-7/16″ x 2-11/16″ x 9-11/16″)
MRV-F340 …………………………. 315mm x 68mm x 247mm
(12-3/8″ x 2-11/16″ x 9-11/16″)
Weight
MRV-F450 ……………………………………. 5.5 kg (12 lbs. 2 oz)
MRV-F540 ……………………………………. 5.5 kg (12 lbs. 2 oz)
MRV-F340 ……………………………………. 4.0 kg (8 lbs. 13 oz)

NOTE:
For product improvement, specifications and design are subject to change without notice.

SERVICE CARE

IMPORTANT NOTICE
This Amplifier has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Subpart J of Part 15 of FCC Rules. This equipment generates and uses radio frequency energy, and it must be installed and used properly in accordance with the manufacturer’s instructions.
SERIAL NUMBER:
INSTALLATION DATE:
INSTALLATION TECHNICIAN:
PLACE OF PURCHASE:
IMPORTANT
Please record the serial number of your unit in the space provided here and keep it as a permanent record. The serial number plate is located on the rear of the unit.

ALPINE ELECTRONICS, INC.
Tokyo office: 1-1-8 Nishi Gotanda,
Shinagawa-ku, Tokyo 141-8501, Japan
Tel.: (03) 3494-1101
ALPINE ELECTRONICS OF AMERICA, INC.
19145 Gramercy Place, Torrance,
California 90501, U.S.A.
Tel.: 1-800-ALPINE-1 (1-800-257-4631)
ALPINE ELECTRONICS OF CANADA, INC.
Suite 203, 7300 Warden Ave. Markham,
Ontario L3R 9Z6, Canada
Tel.: 1-800-ALPINE-1 (1-800-257-4631)
Kukje Printing Co., Ltd
127-2 Gamjeon-dong
Sasang-gu
Busan Korea

CAUTION

SYSTEM DIAGRAMS (Bridged) MRV-F340t MRV-F540
• 4-Channel System.


ALPINE MRV-F450 5 4 3 Channel Power Amplifier -
Speaker

LIMITED WARRANTY
ALPINE ELECTRONICS OF AMERICA, INC. AND ALPINE OF CANADA INC. (“Alpine), are dedicated to quality craftsmanship and are pleased to offer this Warranty. We suggest that you read it thoroughly. Should you have any questions, please contact your Dealer or contact Alpine at one of the telephone numbers listed below.

  • PRODUCTS COVERED:
    This Warranty covers Car Audio Products and Related Accessories (“the product”). Products purchased in the Canada are covered only in the Canada. Products pur-chased in the U.S.A. are covered only in the U.S.A.

  • LENGTH OF WARRANTY:
    This Warranty is in effect for one year from the date of the first consumer purchase.

  • LIFETIME TAPE HEAD WARRANTY:
    All Alpine Car Audio analog tape heads are warranted for life against manufactunng defects causing failure.

  • UFETIME ORB CONNECTOR WARRANTY:
    All Alpine Car Audio Quick Release Bracket connectors are warranted for life against manufacturing detects causing failure.

  • WHO IS COVERED:
    This Warranty only covers the original purchaser of the product. who must reside in the United States. Puerto Rico or Canada.

  • WHAT IS COVERED:
    This Warranty covers defects in materials or workman-ship (parts and labor) in the product.

  • WHAT IS NOT COVERED:
    This Warranty does not cover the following:
    1 Damage occurring during shipment of the product to Alpine for repair (claims must be presented to the carrier).
    2 Damage caused by accident, abuse, negligence. misuse. improper operation or failure to follow in-structions contained in the Owner’s manual.
    3 Damage caused by act of God. including without limitation, earthquake, fire. flood, storms or other acts of nature.
    4 Any cost or expense related to the removal or rein-stallation of the product.
    5 Service performed by an unauthorized person. com-pany or association
    6 Any product which has the serial number defaced. altered or removed
    7 Any product which has been adjusted. altered or modified without Alpine’s consent.
    8 Any product not distributed by Alpine within the United States. Puerto Rico or Canada.
    9 My product not purchased from an Authorized Al-pine Dealer.
    • HOW TO OBTAIN WARRANTY SERVICE:
    1 You are responsible for delivery of the product to an Authorized Alpine Service Center or Alpine 1 or repair and for payment of any initial shipping charges. Al-pine will, at its option, repair or replace the product with a new or reconditioned product without charge. If the repairs are covered by the warranty, and if the

NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES
BUSINESS REPLY MAIL
FIRST CLASS MAIL PERMIT N. 320 TORRANCE, CA.90509
POSTAGE WILL BE PAID BY ADDRESSEE
ALPINE ELECTRONICS OF AMERICA, INC.
Attention : MARKETING SERVICES
P.O. Box 2859 Torrance, CA 90509-9939
FOR USE IN USA, PLEASE FOLD HERE AND ENSURE THAT AMERICAN ADDRESS FACES UP.

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