Question about Jl Audio 500/1 Car Audio Amplifier

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Car amplifiers can anyone tell me if i can connect a car amplifier (not just the one below..any) up to my mourdauntspeakers and just use a home CD player? its just it seems a slightly cheaper option?? thanks guys

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Generally, the 120v AC to 12v DC power supply costs more than a mains powered amplifier.

Also, many automotive amplifiers have poor speaker protection. If the amplifier fails, the speakers could be damaged. In some instances (older paper cone speakers with paper voice coil formers), the speakers could ignite.

Posted on Jun 08, 2008

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I have the subs hooked up to the amp and the speaker wires from the cd player connected, when i hook up the ground and power nothing happens.. sometimes the protect light comes on..? help..


LETS SEE IF YOU HAVE A PROBLEM WITH THE AMPLIFIER ITSELF OR IF SOMETHING IN THE INSTALL REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL GOES INTO PROTECTION OR FAILS TO POWER UP AND YOU HAVE VERIFIED THAT THE POSITIVE AND ESPECIALLY THE GROUND CONNECTIONS, ALONG WITH THE REMOTE CONNECTIONS ARE 100%, THEN THE AMPLIFIER WILL NEED TO BE SERVICED. SOMETIMES THE RADIO CAN HAVE A DEFECTIVE SAGGING BELOW 11 VOLTS REMOTE OUTPUT WHICH WILL CAUSE THE AMPLIFIER TO NOT POWER UP. IF YOU DISCONNECT THE RADIOS REMOTE LEAD AT THE AMPLIFIER AND TEMPORARILY INSTALL A JUMPER FROM THE POSITIVE POWER TERMINAL AND THE REMOTE TERMINAL OF THE AMPLIFIER, THIS WILL NORMALLY FORCE THE AMPLIFIER ON. AT THIS POINT,YOU HAVE TOTALLY BENCHED THE AMPLIFIER AS IT WILL NOT HAVE ANYTHING TO DO WITH THE ACTUAL INSTALLATION AND IF STILL FAULTY IT SIMPLY WILL HAVE TO BE SERVICED. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Nov 13, 2009 | Legacy Audio LA770 Car Audio Amplifier

2 Answers

I need installation instructions for a MTX thunder 280


BATT = 12v positve constant
GND = 12v negative or ground
REM. = 12v positive switched or remote wire.

The remote wire is most commonly found on aftermarket CD players. It's typically in the main wire harness. The most common color of this wire is blue with a white stripe.

Jan 20, 2009 | MTX Thunder 2-Channel Amplifier 282 Car...

2 Answers

500.1 amp power lights blinks on and off


Protection mode; follow this link to get a manual for the amplifier: http://mobile.jlaudio.com/products_amps.php?amp_id=439

Below information is from the manual:

Status Indicator Lights / Protection Circuitry
There are three status indicator lights on the top of the amplifier. These are as follows:1) "Power" (Green): lights to indicate that the amplifier is turned on and operating normally.
2) "Thermal" (Red): lights to indicate that the amplifier has exceeded its safe operating temperature, putting the amplifier into a self-protection mode, which reduces the power output of the amplifier. The red light will shut off and the amplifier will return to normal, full-power operating mode if the heat sink temperature drops back to a safe level.
3) "Low ω" (Amber): lights to indicate that the impedance of the speaker load connected to the amplifier is lower than the optimum impedance load range for the amplifier. When this light is on, a protection circuit engages and reduces the power output of the amplifier. The amber indicator will also light when a short-circuit is detected in the speaker wiring (this can be a short between the positive and negative speaker wires or between either speaker wire and the vehicle chassis).
There is only one condition that will shut down an undamaged 500/1v2 completely… If battery voltage drops below 10 volts, the entire amplifier will shut itself off. The green "Power" indicator on the top of the amplifier will turn off when this occurs. The amplifier will turn back on when voltage climbs back above 10 volts. This may happen in a rapid cycle when bass-heavy program material causes a weak charging system to dip below 10 volts momentarily. If this is happening in your system, have your charging system inspected to make sure it is working properly.
For information on troubleshooting this amplifier, refer to Appendix E (page 21).

Jun 25, 2008 | Jl Audio E1200 Car Audio Amplifier

1 Answer

Pioneer amplifier


Below is a list of all of the older model Pioneer amplifiers; your's isn't in it. I don't think you have a real Pioneer product but rather a knock off amp. If you locate the model number below you can follow this link to locate a manual for it: http://www.pioneerelectronics.com/PUSA/Support/CarAudioVideo/ch.Amplifiers.Archived?vgnextfmt=Archived

Jun 04, 2008 | Car Audio & Video

1 Answer

Orion 6004 connection problems


It should be wired up like below:
  • +12V to the battery (through an inline fuse).
  • Ground to a good, close point on the chassis.
  • REM to the remote turn-on of the head unit.
Remove the connections to the speakers and see if the issue still exists. If it doesn't, reconnect the speaker connections and find out which one causes the amp to go into protect mode.

Apr 07, 2008 | Orion 6002 Car Audio Amplifier

1 Answer

Connecting cd player to mixer


This should work. I use a similar setup for break music at small gigs. I would check the cable and the output of the unit itself again. .

Feb 21, 2008 | Peavey AMPLIFIER, 1000 WPC, DDT, 8/4/2...

1 Answer

Help please


Check your power cable, for bad connections.
Make sure voltage dont drop below 10.8v.

Nov 30, 2007 | Kicker IX404 Car Audio Amplifier

5 Answers

Wiring Diagram for Sony car amplifier XM-554ZR


You can download the installation manual from the link below: http://www.sony.co.id/support/product/xm-554zr?site=hp_en_ID_i It has the following diagram plus other hookup info... Please update the question & let us know if the information given was useful to you - Good Luck!

Aug 14, 2007 | Sony XM-2150GSX Car Audio Amplifier

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