Memphis Audio SRX500D.1 - Audio Receiver

SRX500D.1 - Audio Receiver Memphis Audio - Free user manual and instructions

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Product Type Mono Amplifier
Brand Memphis Audio
Model SRX500D.1
Series Street Reference
RMS Power @ 4 Ohms 350W x 1
RMS Power @ 2 Ohms 500W x 1
Total Harmonic Distortion (THD) < 0.5%
Signal-to-Noise Ratio > 90dB
Low Pass Filter (LPF) Range 30Hz - 250Hz, 12dB/octave
Subsonic Filter Range 15Hz - 50Hz, 12dB/octave
Bass Boost 45Hz, 0/6/12dB switchable
Input Sensitivity (Low Level) 100mV - 6V
Input Impedance 10K Ohms
Fuse Rating 25A x 2
Recommended Wire Gauge 4 AWG
Dimensions (W x H x D) 8.071" x 2" x 9.06"
Input Connections High-level (speaker) and low-level (RCA)
Output Connections Nickel-plated screw terminals
Remote Level Control Included (RJ45 connection)
Protection Circuitry Overload, short circuit, thermal, reverse polarity
Cooling Convection cooling, mount with fins not facing down
Warranty 1 year (extends to 2 years if installed by authorized dealer using Memphis Connection products)

Frequently Asked Questions - SRX500D.1 Memphis Audio

What is the recommended power and ground wire size for the SRX500D.1?
Memphis recommends using 4 AWG copper wire for both power and ground connections. The fuse at the battery should be 25A x 2, installed within 18 inches of the battery.
How do I set the gain on the amplifier?
The gain control adjusts input sensitivity, not volume. Set it to minimum (counter-clockwise) and gradually increase until desired output is achieved without distortion. For optimal performance, start with the gain at minimum.
What does the blue LED indicate?
A solid blue LED indicates normal operation. If the LED is off or red, consult the troubleshooting section of the manual for possible causes such as overheating, short circuits, or improper power supply.
Can I use high-level (speaker) inputs?
Yes, the SRX500D.1 is equipped with both low-level (RCA) and high-level (speaker wire) inputs. Use high-level inputs if your source unit lacks RCA outputs.
What is the purpose of the subsonic filter?
The subsonic filter removes frequencies below the audible range of the subwoofer (15-50Hz, adjustable). This prevents the amplifier from wasting power on subsonic frequencies and improves overall performance.
How do I connect the remote level control?
Plug the included remote level control into the RJ45 jack on the front panel of the amplifier. Mount the control module within easy reach of the driver to adjust subwoofer level remotely.
What should I do if the amplifier has no output?
Check all wiring connections: ensure +12V and REM terminals have 12V present, and GND is properly grounded to the chassis. Verify the source unit is outputting a signal. If the amp is hot, check speaker impedance.
What is the recommended low-pass filter setting for subwoofers?
For most subwoofers, set the low-pass filter between 80Hz and 100Hz. Adjust based on the capabilities of your mid-bass or midrange drivers.
What is covered under warranty?
The amplifier has a 1-year warranty for material and workmanship defects, extendable to 2 years if installed by an authorized Memphis dealer using Memphis Connection products. Damage from improper installation, abuse, or unauthorized repairs is not covered.
Can I bridge the SRX500D.1?
No, the SRX500D.1 is a mono amplifier designed for a single subwoofer or a parallel/series combination of subwoofers. It is not bridgeable as it is already a single-channel design.

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USER MANUAL SRX500D.1 Memphis Audio

natural_image Abstract geometric logo with a stylized letter M inside a circle (no text or symbols)

MEMPHIS

PRODUCT MANUAL & INSTALLATION GUIDE

Memphis Audio SRX500D.1 - PRODUCT MANUAL &amp; INSTALLATION GUIDE - 1

natural_image Line drawing of a rectangular electronic device with ventilation slots and a circular logo on the front panel (no text or symbols)

SR STREET REFERENCE

MODELS: SRX250.1 // SRX500D.1 // SRX750D.1 // SRX1200D.1

MONO AMPLIFIERS

READY TO TURN IT UP? READ THIS FIRST!

Memphis Audio built a 50 year legacy in the audio industry engineering the highest quality products to produce the best possible listening experience for our fans and loyal supporters. To fully appreciate our products we recommend taking the time to read and follow the instructions in this manual. As always, we recommend all installations and service be performed by an authorized Memphis Audio dealer.

Memphis Audio SRX500D.1 - READY TO TURN IT UP? READ THIS FIRST! - 1

For optimal performance, Memphis recommends using only Memphis Connection accessories. Outfitting your system with properly sized Memphis Connection wire and accessories will dramatically boost your listening experience and increase the durability of your Memphis Audio products.

Street Reference amplifiers feature a MOSFET powersupply with a 12dB per octave crossover to ensure the most accurate musical reproduction. All models feature a fully variable crossover with 12dB per octave slopes allowing you the ability to tailor the sound to best fit your speakers and your listening preferences.

Memphis Audio SRX500D.1 - READY TO TURN IT UP? READ THIS FIRST! - 2

Check out our full line of Street Reference speakers and woofers and multi-channel amps to create a complete Memphis Street Reference system in your ride.

FEATURES

  • 2 ohms stereo stable / 4 ohms mono
    • High & low level inputs
    • Bass Boost 45Hz 0/6/12dB
    • Variable Subsonic filter (15Hz-50Hz)
    • Variable low pass filter (30Hz-250Hz)
  • Protection circuitry against overload, short circuit, thermal and reverse polarity
  • Remote level control included

Nickel Plated Connectors

Ensures solid electrical connections that resist corrosion.

Fully Variable High & Low Pass Crossovers

Fully variable crossovers promote installation ease and save the cost of outboard crossovers. Additionally, they may be used in conjunction with outboard passive or active crossovers depending on the complexity required by the system. The 12dB per octave slope offers roll-off above or below the selected frequency.

Protection Circuitry

Protects against overload, short circuit, thermal and reverse polarity. These protection features are designed to protect the amplifier from misuse as well as from common causes of amplifier failure.

LED Light

Blue light indicates that the amplifier is working normally. If the light is not illuminated or glowing red please consult the troubleshooting section of the manual.

Subsonic Filter

A subsonic filter has been provided to filter out unwanted subsonic bass frequencies below the audible range of the subwoofer. This feature helps to improve the amplifiers overall performance since power is not wasted reproducing frequencies beyond the speaker operating range.

Remote Level Control

Remote allows you to control the level of the subwoofer remotely by controlling the output level of the amplifier

INSTALLATION INFORMATION

Memphis Audio recommends the installation of our products to be performed by an Authorized dealer. Attempting an installation project on your own or through an unauthorized source may result in damage to your products and may potentially void your warranty.

Amplifiers are generally mounted in the hatch/trunk area of your car or SUV or behind the seat of most pick up trucks. Select a location that provides adequate ventilation. Avoid mounting the amplifier with fins facing down. Amplifier should be secured using the screws provided.

WARNING

For your safety, always inspect the mounting location carefully to ensure you are not drilling into any electrical, hydraulic, fuel or fluid lines. Always check your speaker load with a multi-meter before connecting the amplifier. Connecting any speaker load lower than the rated impedance of the amplifier will result in damage to the amplifier. Damage of this nature is NOT covered under warranty. Please pay close attention to what connections are made to the amplifier.

Memphis Audio SRX500D.1 - WARNING - 1

If you are uncertain or uncomfortable proceeding with your installation, please contact your local authorized Memphis Audio Dealer

TROUBLESHOOTING

When troubleshooting your amp, speaker and speaker wires should be tested first.

No Output:

  • Confirm all wiring is firmly connected.
    Both +12V and REM terminals must have +12 Volts present and GND must be connected to chassis' ground or to the negative battery terminal.
  • Confirm the signal source is connected and supplying an output signal. To confirm the amp is working, connect an RCA patch cord to the line inputs of the amplifier (do not connect the other end of the patch cord). Briefly tap the center pin of each disconnected RCA with your finger. This should produce a noise (brief static or hum) in the speakers.
  • If the amp is hot, check the speaker impedance or load. The total minimum impedance of all speakers should not be lower than the rating of the amp.

Weak Output

- Check input sensitivity control adjustment.

- Check subsonic filter setting

Unwanted Noise

  • Whine that increases and decreases with engine speed - confirm the Amp & Source unit are grounded properly.
  • Clicking or popping noise at a rate that follows engine speed - this is often induced by the vehicles ignition system. Confirm that the vehicle is equipped with resistor spark plugs and wires. The ignition system may need service.
  • Noise can be caused by routing speaker input wires too close to the light wires and other accessory wires in the vehicle. Re-route wires to avoid unwanted interference.
  • If above steps do not improve/reduce noise, the system should be checked by a professional audio installer at a Memphis Authorized Dealer.

POWER SUPPLY CONNECTOINS

Memphis Audio SRX500D.1 - POWER SUPPLY CONNECTOINS - 1

Install the fuse at the battery last!

Memphis Audio SRX500D.1 - POWER SUPPLY CONNECTOINS - 2

Use conventional stranded copper wire for all connections. Finish the ends of the wires at the amp and vehicle with proper size terminals. Poorly made connections and/or inadequate wire size will generate excessive heat and may lead to equipment failure.

12 Volt + Connection

make the 12V+ connection directly at the positive battery post using the proper wire size and fuse listed below, The fuse should be installed within 18" of the battery.

WireFuse
ModelGaugeValue
SRX250.1815A x 2
SRX500D.1425A x 2
SRX750D.1435A x 2
SRX 1200D.1340A x 3

Ground Connection:

Make ground connection directly to the chassis of the vehicle as close to the amp as possible. Make sure this connection is made with the same wire size as used for the 12 volt connection. Ensure that all dirt, grease, paint and coatings are removed prior to attaching the ground wire to chassis.

Remote Turn On

Remote turn on should be connected to the source unit's remote turn on lead or power antenna output wire. When using the power antenna wire, make certain it does not lose power when any source other than the radio is selected.

Figure 1
Figure 1 BATTERY FUSE HOLDER (NEAR BATTERY) REMOTE TURN ON CHASSIS GROUND (-) FUSE BUT+ POWER REMOTE MEMPHIS

FEATURES AND CONTROLS

SRX250.1 // SRX500D.1 // SRX750D.1 // SRX1200D.1

REMOTE LEVEL BASS EQ LPF SUB SONIC GAIN LOW INPUT HIGH INPUT MEMPHIS 0dB 1dB 30Hz 250Hz 15Hz 50Hz 6.0V 0.0V L R + - + - - + - -

SETUP AND ADJUSTMENT

Gain

The gain control is NOT a volume control. The gain control adjusts the amount of signal required to drive the amplifier to full output. With the gain at full clockwise rotation, less signal voltage is required to drive the amp to full output. With the gain at full counter clockwise rotation, more signal voltage is required to drive the amp to full output. For optimal performance, set the gain control to minimum.

Low Pass Filter (LPF)

The Lowpass crossover/filter is designed to remove high frequency information from a speaker. This is generally used to prevent mid bass speakers or subwoofers from trying to reproduce mid and high frequency information that they are not designed to reproduce. The crossover frequency is adjustable from 30Hz to 250Hz and uses a 12dB per octave slope. To engage the LPF slide the switch to the position marked LPF. Frequency selection is made by rotating the dial: clockwise raises the frequency and counter clockwise lowers the frequency. Most subwoofers should be set between 80Hz and 100Hz depending on how low the mid-bass or midrange drivers are capable of playing.

Bass Boost

Bass boost is switchable to off (0dB) or +6dB and +12dB. Boost should be used with discretion. Electronically enhanced boost places and additional load on the amplifier and the speakers they are connected to.

Remote Level Control

The amplifiers have inputs for a remote level control (RLC). This will allow the amplifier input level to be adjusted from the listening position. Connect the RJ45 jack on the front of the amplifier. Install the control module in front of the vehicle in a location that is easily accessible to the driver.

Subsonic Filter

The subsonic filter utilizes an internal 12dB per octave slope and is variable from 15Hz to 50Hz.

SIGNAL INPUT CONNECTIONS

The RCA jacks marked Low Input should be connected to the low level outputs of your source unit or signal processor. High-level (speaker level) inputs are provided as well.

SRX250.1 // SRX500D.1 // SRX750D.1 // SRX1200D.1

REMOTE LEVEL BASS EQ LPF SUB SONIC GAIN LOW INPUT HIGH INPUT MEMPHIS L R

SPEAKER OUTPUT POWER (10.14) PROTECT (95.23) FUSE BATT + POWER REMOTE GND MEMPHIS - + SUBWOOFER 2 Ohms

SPEAKER OUTPUT POWER HOLD PROTECT FUSE BATT + POWER REMOTE GND MEMPHIS SUBWOOFER 4 Ohms 5 SUBWOOFER 4 Ohms

SPECIFICATIONS

SR AMPLIFIERSSpecificationsSRX250.1SRX500D.1SRX750D.1SRX1200D.1
RMS Pwr/CH 4 Ohms150W x 1350w x 1400Wx 1400Wx 1
RMS Pwr/CH 2 Ohms250W x 1500W x 1750W x 1750W x 1
RMS Pwr/CH 1 Ohms///1200W x 1
THD (4 ohms)<0.5%<0.5%<0.5%<0.5%
THD (2 ohms)<0.5%<0.5%<0.5%<0.5%
Signal/Noise Ratio>92dB>90dB>98dB>98dB
Variable LPF Freq Range30Hz - 250Hz30Hz - 250Hz30 Hz - 250Hz30 Hz - 250Hz
Bass Boost Input Sensitivity45Hz 0/6/12dB45Hz 0/6/12dB45Hz 0/6/12dB45Hz 0/6/12dB
Low Level Impedance100mV - 6V100mV - 6V100mV -6V100mV -6V
Low Level10K Ohms10K Ohms10K Ohms10K Ohms
Fuse15A x 225A x 235A x 240A x 3
Dimensions8.071"x2"x11.1"8.071"x2"x9.06"8.071" x 2" x 11.1"8.071" x 2" x 12.1"

*Features and Specifications are subject to change without notice.

SERVICE/RETURNS

Please consult with your local authorized dealer if you experience issues with your unit. You may also contact Memphis Audio customer service at 800-489-2300 or by email: techsupport@memphiscaraudio.com. Do not attempt to return your amplifier directly to us without first calling for a Return Authorization number. Units received without an accompanying Return Authorization number will be processed more slowly. Additionally, you must include a copy of your purchase receipt from an authorized dealer for consideration of in-warranty service, otherwise repair charges will apply. Units received without a receipt will be held for up to 30 days allowing us time to contact you and obtain a copy of the receipt. After 30 days all units will be returned to you unrepaired.

WARRANTY

Memphis Audio SRX AMPLIFIER Limited Warranty

This product has a one year warranty from the date of purchase for defects in material or workmanship. This warranty will be extended to 2 years when installed by a Memphis authorized dealer using Memphis Connection products. The warranty is void if the product has been physically damaged by improper usage or abuse. If repairs are attempted outside of a Memphis Audio facility, the warranty is void.

This warranty is limited to the original retail purchaser and does not cover any expenses incurred in the removal or re-installation of the product. This warranty does NOT apply to product exterior and cosmetics. Memphis Audio disclaims any liability for incidental or consequential damages caused by product defects. Memphis Audio liability will not exceed the purchase price of the product and the warranty period specified.

What is NOT covered under warranty

  • Damage due to improper installation
  • Damage caused by exposure to moisture, excessive heat, chemical cleaners and/or UV radiation
  • Damage through negligence, misuse, accident or abuse. (Repeated returns for the same damage may be abuse)
  • Product damaged in accident and/or due to criminal activity
    • Service performed by anyone other than Memphis Audio
  • Subsequent damage to other components
  • Any cost or expense related to the removal or re-installation of product
  • Products with tampered, missing, altered or defaced serial numbers/labels
  • Freight damage
    • The cost of shipping product to Memphis Audio
  • Return shipping on non-defective items
    • Any product not purchased from an authorized Memphis Audio dealer

Some states do not allow the exclusion or limitation of incidental or consequential damages. The above limitations or exclusions may not apply to you. This warranty gives you specific rights, you may have other rights which vary from state to state.

If warranty service is required, a return authorization number is required to return the product to Memphis Audio. Warranty shipments to Memphis Audio are the responsibility of the purchaser. Pack the product carefully in the original carton if possible Memphis Audio will not be responsible for damages incurred in shipment or due to improper packaging materials used by the purchaser.

If determined to be within warranty your product will be repaired or replaced at the discretion of Memphis Audio.

NOTES

Memphis Audio SRX500D.1 - NOTES - 1

natural_image Abstract geometric logo with a stylized letter M inside a circle (no text or symbols)

MEMPHIS

CONTACT INFO

Memphis Audio SRX500D.1 - MEMPHIS - 1

122 GAYOSO AVE, MEMPHIS TN 38103

Memphis Audio SRX500D.1 - MEMPHIS - 2

TECH SUPPORT 800-903-6979

SHOW US YOUR INSTALL & FOLLOW US TODAY!

Memphis Audio SRX500D.1 - MEMPHIS - 3

WWW.MEMPHISCARAUDIO.COM

Memphis Audio SRX500D.1 - MEMPHIS - 4

@MEMPHISCARAUDIO

Memphis Audio SRX500D.1 - MEMPHIS - 5

@MEMPHISCARAUDIOUSA

Memphis Audio SRX500D.1 - MEMPHIS - 6

natural_image Abstract geometric logo with a stylized letter M inside a circle (no text or symbols)

MEMPHIS

AUDIO SINCE 1965

MONO AMPLIFIER

INSTRUCTION MANUAL

REMOTE LEVEL MASCER EE 3dB 6dB LPT 300Hz 2500Hz NUR SENSOR 350Hz 500Hz GALW 4.0V 0.30V LOW OUTPUT MEMPHIS MASCER SICUUM FLOW

MODELS:

SRX250.1 // SRX500D.1 // SRX750D.1 // SRX1200D.1

SR STREET REFERENCE

STREET REFERENCE MONO AMPLIFIERS

Memphis Audio built a 50 year legacy in the audio industry engineering the highest quality products to produce the best possible listening experience for our fans and loyal supporters. To fully appreciate our products we recommend taking the time to read and follow the instructions in this manual. As always, we recommend all installations and service be performed by an authorized Memphis Audio dealer.

Memphis Audio SRX500D.1 - STREET REFERENCE MONO AMPLIFIERS - 1

For optimal performance, Memphis recommends using only Memphis Connection accessories. Outfitting your system with properly sized Memphis Connection wire and accessories will dramatically boost your listening experience and increase the durability of your Memphis Audio products.

Street Reference amplifiers feature a MOSFET power supply with a 12dB per octave crossover to ensure the most accurate musical reproduction. All models feature a fully variable crossover with 12db per octave slopes allowing you the ability to tailor the sound to best fit your speakers and listening preferences.

Memphis Audio SRX500D.1 - STREET REFERENCE MONO AMPLIFIERS - 2

Check out our full line of Street Reference speakers and subwoofers to create a complete Memphis Street Reference system.

Features

  • 2Ω stereo stable / 4Ω mono (SRX1200D.1 1Ω Stable)
    • High & low level inputs
    • Bass boost 45Hz 0/6/12dB
  • Variable subsonic filter (15Hz - 50Hz)
    • Variable low pass filter (30Hz-250Hz)
    • Protection circuitry against overload, short circuit, thermal and reverse polarity
  • Remote level control

Nickel Plated Connectors

Ensures solid electrical connection that resist corrosion

Fully Variable High & Low Pass Crossovers

Fully variable crossovers promote installation ease and save the cost of outboard crossovers. Additionally, thy may be used in conjunction with outboard passive or active crossovers depending on the complexity required by the system. The 12dB per octave slope offers roll-off above or below the selected frequency.

Protection Circuitry

Protects against overload, short circuit, thermal and reverse polarity. These protection features are designed to protect the amplifier from misuse as well as from common causes of amplifier failure.

LED Light

Blue light indicates that the amplifier is working normally. If the light is not illuminated or is glowing red, consult the troubleshooting section of the manual.

Subsonic Filter

A subsonic filter has been provided to filter out unwanted subsonic bass frequencies below the audible range of the subwoofer. This feature helps improve the amplifiers overall performance since power is not wasted reproducing frequencies beyond the speaker operating range

Remote Level Control

Remote allows you to control the level of the subwoofer remotely by controlling the output level of the amplifier

Installation Information

Memphis Audio recommends the installation of our products to be performed by an Authorized dealer. Attempting an installation project on your own or through an unauthorized source may result in damage to your products and may potentially void your warranty.

Amplifiers are generally mounted in the hatch/trunk area of your vehicle or behind the seat of most pick up trucks. Select a location that provides adequate ventilation. Amplifier should be secured using the screws provided.

Warning

For your safety, always inspect the mounting location carefully to ensure you are not drilling into any electrical, hydraulic, fuel or fluid lines. Always check your speaker load with a multi-meter before connecting the amplifier. Connecting any speaker load lower than the rated impedance of the amplifier will result in damage to the amplifier. Damage of this nature is NOT covered under warranty. Please pay close attention to what connections are made to the amplifier.

Memphis Audio SRX500D.1 - Warning - 1

If you are uncertain or uncomfortable proceeding with your installation, please contact your local authorized Memphis Audio Dealer

Troubleshooting

When troubleshooting your amp, speaker and speaker wires should be tested first.

No Output:

  • Confirm all wiring is firmly connected.
    Both +12V and REM terminals must have +12 Volts present and GND must be connected to chassis' ground or to the negative battery terminal.
  • Confirm the signal source is connected and supplying an output signal. To confirm the amp is working, connect an RCA patch cord to the line inputs of the amplifier (do not connect the other end of the patch cord). Briefly tap the center pin of each disconnected RCA with your finger. This should produce a noise (brief static or hum) in the speakers.
  • If the amp is hot, check the speaker impedance or load. The total minimum impedance of all speakers should not be lower than the rating of the amp.

Only One Channel Works:

  • Confirm the speaker terminal strip connections are firmly connected.
  • Check "balance" control on your signal source.
  • If using RCA Low-Level inputs, reverse the input plugs at the amplifier. If the channel that is silent reverses position, the problem is in the source unit or connecting cable.

Weak Output

- Check input sensitivity control adjustment.

Unwanted Noise

  • Whine that increases and decreases with engine speed - confirm the Amp & Source unit are grounded properly.
  • Clicking or popping noise at a rate that follows engine speed - this is often induced by the vehicles ignition system. Confirm that the vehicle is equipped with resistor spark plugs and wires. The ignition system may need service.
  • Noise can be caused by routing speaker input wires too close to the light wires and other accessory wires in the vehicle. Re-route wires to avoid unwanted interference.
  • If above steps do not improve/reduce noise, the system should be checked by a professional audio installer at a Memphis Authorized Dealer.

Red LED is Illuminated

• Speaker or wire is shorted
- Battery voltage too high

  • Battery voltage too low
    • Amplifier has overheated due to improper ventilation

Power Supply Connections

Memphis Audio SRX500D.1 - Power Supply Connections - 1

Install the fuse at the battery last!

Memphis Audio SRX500D.1 - Power Supply Connections - 2

Use conventional stranded copper wire for all connections. Finish the ends of the wires at the amp and vehicle with proper size terminals. Poorly made connections and/or inadequate wire size will generate excessive heat and may lead to equipment failure.

12 Volt + Connection

Make the 12V+ connection directly at the positive battery post using the proper wire size and fuse listed below, The fuse should be installed within 18" of the battery. This fuse is vital to protecting the vehicle from damage in the case of a dead short. The fuse value at the battery should be at least equal to the total fuse value of all the amplifiers being used.

ModelAmp KitFuse Value
SRX250.1815A X 2
SRX500D.1425A X 2
SRX750D.1435A X 2
SRX1200D.1440A X 3

Ground Connection:

Make ground connection directly to the chassis of the vehicle as close to the amp as possible. Make sure this connection is made with the same wire size as used for the 12 volt connection. Ensure that all dirt, grease, paint and coatings are removed prior to attaching the ground wire to chassis.

Remote Turn On

Remote turn on should be connected to the source unit's remote turn on lead or power antenna output wire. When using the power antenna wire, make certain it does not lose power when any source other than the radio is selected.

Power Connections

BATTERY FUSE HOLDER (NEAR BATTERY) REMOTE TURN ON CHASSIS GROUND (-)

Features & Controls

SRX250.1 // SRX5000.1 // SRX7500.1 // SRX12000.1

MEMPHIS AVOC RIMERS TYPE RUMETIC EPLC DRUG CO 1.5W 2.5W BME Lift 30Hz 250Hz 15Hz 50Hz SINSE SENSUS RUN 0.12W RUN INPUT I R MEMPHIS

Gain

The gain control is NOT a volume control. The gain control adjusts the amount of signal required to drive the amplifier to full output. With the gain at full clockwise rotation, less signal voltage is required to drive the amp to full output. With the gain at full counter clockwise rotation, more signal voltage is required to drive the amp to full output. For optimal performance, set the gain control to minimum.

Low Pass Filter

The lowpass crossover/filter is designed to remove high frequency information from a speaker. This is generally used to prevent mid bass speakers or subwoofers from trying to reproduce mid and high frequency information that they are not designed to reproduce. The crossover frequency is adjustable from 30Hz-250Hz and use a 12dB per octave slope. To engage the LPF slide the switch to the position marked LPF. Frequency selection is made by rotating the dial: Clockwise raises the frequency, counter clockwise lowers the frequency. Most subwoofers should be set between 80Hz and 100Hz depending on how low the mid-bass or midrange drivers are capable of playing.

Bass Boost

Bass boost is switchable to off (0dB) or +6dB and +12dB. Boost should be used with discretion. Electronically enhance boost places an additional load on the amplifier and the speakers they are connected to.

Remote Level Control

The amplifiers have inputs for a remote level control (RLC). This will allow the amplifier input level to be adjusted from the listening position. Connect the RJ45 jack on the front to the amplifier. Install the control module in front of the vehicle in a location that is easily accessible to the driver.

Subsonic Filter

The subsonic filter utilizes an internal 12dB per octave slope and is variable from 15Hz-50Hz

Speaker Connections Continued

SRX250.1 // SRX500D.1 // SRX750D.1 // SRX1200D.1

The RCA jacks marked Low Input should be connected to the low level outputs of your source unit or signal processor. High level(speaker level) inputs are provided as well.

REMOTE LEVEL BASS FD 0dB 10dB RF LPF 30Hz 250Hz 15Hz 50Hz GAIN 6.0V 0.10V LOW INPUT LE R MEMPHIS SINCE 1948

SPEAKER OUTPUT POWER OUTPUT PROTECT GND FUSE BATT + POWER REMOTE GND - + SUBWOOFER 2 Ohms (SRX1200D.1 - 1Ω STABLE)

SPEAKER OUTPUT POWER DRIVE PROTECT FUSE BATT + POWER REMOTE GND SUBWOOFER 4 Ohms SUBWOOFER 4 Ohms

Specifications

SPECIFICATIONSSRX250.1SRX500D.1SRX750D.1SRX1200d.1
RMS Power/CH 4Ω150w x 1350w x 1400w x 1400w x 1
RMS Power/Ch 2Ω250w x 1500w x 1750 w x 1750 w x 1
RMS Power/Ch 1Ω---1200w x 1
THD 4Ω<0.5%<0.5%<0.5%<0.5%
THD 2Ω<0.5%<0.5%<0.5%<0.5%
Signal/Noise Ratio>92dB>90dB>90dB>98dB
Variable LPF Freq Range30Hz - 250Hz30Hz - 250Hz30Hz - 250Hz30Hz - 250Hz
Bass Boost Input45Hz 0/6/12dB45Hz 0/6/12dB45Hz 0/6/12dB45Hz 0/6/12dB
Low Level Impedance100mV - 6V100mV - 6V100mV - 6V100mV - 6V
Low Level10K Ω10K Ω10K Ω10K Ω
Fuse15 A x 225 A x 235 A x 240 A x 3
Dimensions7.87" x 2" x 10.4"7.87" x 2" x 9.13"7.87" x 2" x 11.1"7.87" x 2" x 11.8"

*Features and specifications are subject to change without notice

Service/Returns

Please consult with your local authorized dealer if you experience issues with your amplifier.

You may also contact Memphis Audio customer service at 800.489.2300 or email tech support directly at: techsupport@memphiscaraudio.com. Do not attempt to return your amplifier directly to us without first calling for a return authorization number. Units received without an accompanying return authorization number will be processed more slowly. Additionally, you must include a copy of your purchase receipt from an authorized dealer for consideration of in-warranty service, otherwise repair charges will apply. Units received without a receipt will be held for up to 30 days allowing us time to contact you and obtain a copy of the receipt. After 30 days all units will be returned to you unrepaired.

Warranty

Street Reference Amplifier Limited Warranty:

This product has a 1 year warranty from the date of purchase for defects in material or workmanship. This warranty will extend to 2 years when installed by an authorized Memphis Audio dealer using Memphis Connection products. The warranty is void if the product has been physically damaged by improper usage or abuse. If repairs are attempted outside of Memphis Audio facility, the warranty is void.

This warranty is limited to the original retail purchaser and does not cover expenses incurred in the removal or re-installation of the product. This warranty does NOT apply to product exterior and cosmetics. Memphis Audio disclaims any liability for incidental or consequential damages caused by product defects. Memphis Audio liability will not exceed the purchase price of the product and the warranty period specified.

WHAT IS NOT COVERED UNDER WARRANTY:

• Damage due to improper installation
• Damage cause by exposure to moisture, excessive heat, chemical cleaners and/or UV radiation
• Damage through negligence, misuse, accident or abuse. (Repeated returns for the same damage may be considered abuse)
• Product damaged in accident and/or due to criminal activity
• Service performed by anyone other than Memphis Audio
- Subsequent damage to other components
- Any cost or expense related to the removal or re-installation of product
- Products with tampered, missing, altered or defaced serial numbers/labels
- Freight damage
• The cost of shipping product to Memphis Audio
- Return shipping on non defective items
- Any product not purchased from an authorized Memphis Audio dealer

Some states do not allow the exclusion or limitation of incidental consequential damages. The above limitations or exclusions may not apply to you. This warranty gives you specific rights, you may have other rights which vary from state to state.

If warranty service is required, a return authorization number is required to return the product to Memphis Audio. Warranty shipments to Memphis Audio are the responsibility of the purchaser. Pack the product carefully in the original carton if possible. Memphis Audio will not be responsible for damages incurred in shipment or due to improper packing materials used by the purchaser.

If determined to be within warranty, your product will be repaired or replaced at the discretion of Memphis Audio.

STREET REFERENCE

LIMITED WARRANTY

Memphis Audio warranties this product for defects in material or workmanship for 1 year from the date of purchase when installed by an authorized Memphis Audio Dealer. If purchased from but not installed by an authorized dealer, the warranty is 90 days. This warranty is void if the product has been physically damaged by improper use or abuse, or if repairs have been attempted outside of a Memphis Audio repair facility.

This warranty is limited to the original retail purchaser and does not cover any expense incurred in the removal or re-installation of the product. This warranty does not apply to product exterior and cosmetics. Memphis Audio disclaims any liability for incidental or consequential damages caused by product defects. Memphis Audio's liability will not exceed the purchase price of the product and the warranty period specified.

What is NOT Covered under this warranty

• Damage due to improper installation
- Damage Caused by exposure to moisture, excessive heat, chemical cleaners and/or UV radiation
- Damage through negligence, misuse, accident or abuse. Repeated returns for the same damage may be considered abuse.
- Product damaged in an accident and/or due to criminal activity
• Service performed by anyone other than Memphis Audio
- Subsequent damage to other components
- Any cost or expense related to the removal or re-installation of product
- Speakers damaged due to amplifier clipping or distortion
- Products with tampered, missing, altered or defaced serial number labels
- Freight damage
• The cost of shipping product to Memphis Audio
- Return shipping on non-defective items
• Any product not purchased from an Authorized Memphis dealer
- Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific rights and you may have other rights which vary from state to state.

If warranty service is require, a return authorization number is required to return the product to Memphis Audio/AFCO, Inc. Warranty shipments to Memphis Audio are the responsibility of the purchaser. Pack the product carefully in the original carton if possible. Memphis Audio will NOT be responsible for damages incurred in shipment or due to improper packaging materials used by the purchaser.

If determined to be in warranty, product will be repaired or replaced at the discretion of Memphis Audio.,

Memphis Audio SRX500D.1 - What is NOT Covered under this warranty - 1

MEMPHIS

THIS CARD MUST ACCOMPANY YOUR SHIPMENT SHOULD SERVICE BE REQUIRED

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Please call 800-489-2300 to obtain the required Return Authorization Number and shipping address. Include this number on your package along with a copy of your purchase receipt.

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Product information

Brand : Memphis Audio

Model : SRX500D.1

Category : Audio Receiver