Question about Kenwood KAC-7202 Car Audio Amplifier

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Multipal amps im trying to power two amps at the same time, one is a 4 channel amp and the other a 2 channel amp. i can get the power light to come on the 4 channel but cant get any responce fromth 2 channel amp. also even though the power light is coming on no sound is coming from the speakers.

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Re: multipal amps

Make sure your speakers are connected correctly if subs and are inside the box then check connections also at times the rca at the back of the head unit can disconnect. if power light is on then error is either speakers not connected correctly, rca faulty or not connected or speaker output on amp is blown

Posted on Jan 04, 2008

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300W Pyramid PA305 protection light

What is the speaker load in Ohms that you are running? Or what exactly is hooked up to it? are you bridging it? The protection light will come on if the load is too much for the amp to handel. If the load (in Ohms) is less than the rated load that it can run, it will stop the output to keep the amp from self destructing. The amp will sense that the demand for power will be too high for the amps circuitry which will either make the amp get so hot that it will burn up the copper on the board or more likely burn up the power mosfetts that power the speakers. If the Ohms are within range then it will allow power to flow through the circuit until the rails that the mosfetts are bound to until they get so hot that it will go into thermal protection. So if your amp has both thermal and overload protection lights and the overload is light then the load is probably too much for the amp. if it's bridged in mono the you can only have 1 speaker setup hooked up it if it's a 2 channel amp. a 4 channel amp bridged in mono for both front and rear channels will be able to have 2 speakers rated a 4 ohms each hooked up to the amp 1 set per bridged output or channel.
Try it running in stereo with only 1 speaker per channel and see if it will produce sound. If not then you have an amp that has internal problems and will need to be serviced. Check your warranty to see if you are covered.

Apr 02, 2013 | Pyramid PA305 150 Watt PA Amplifier Car...

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I have a Philips DAP 6040 Car Amp and need a user manual

Gday there mate!
ive got two of these amps in my car.
im trying to run 2 x 12'' subs off one and a 15'' sub + 2 x 6x9 speakers..

i cant get any sound coming out.
i had some one wire it up the first time and it worked good.
but ive now disconnected it and now i cant get anything going ... :(

could some one please yell out and give me some help please ..

mostly apreciated...

and mate heres some things....

Output Power at 12V:
4 x 60W @ 4 ohms (0.08% THD)
4 x 80W @ 4 ohms (10% THD)
4 x 110W @ 4 ohms (30% THD)
4 x 110W @ 2 ohms (10% THD)
2 x 150W @ 4 ohms bridged
2 x 220W @ 4 ohms bridged (10% THD)
S/N Ratio: >100dB
Channel Separation: >70dB
Freq. Response: 5Hz ∼ 100kHz
Fuse: 2 x 25A

Aug 24, 2009 | Philips Car Amplifiers

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What is the very best way to wire 3 sets of speaks and 2 subs through a 4 ch. amp and a 2 Ch. amp.?Thank you, Paul

Ummmm Im gonna give this a try-If it were me i would run the 4 channel ground pounder on the doors and rear panels -the front 2 channels run the component set exclusively at 2 ohms per channell and run the 8 inch 3 ways in parallel with the rear deck speakers for a combined load of 2 ohms per channel on the rear channells-naturally the 8 inchers and the 6.5's are going to be able to handle a little bit more bottom end than the component set so you can feed a little more midbass to those rear channels- I dont know the resistance of the coils on your subs or the model of the MA amp you are using but if you can throw 600 or 700 on your subs that should be sweet enough- hope its not a waste of your time or maybe you already tried it set up that way-good luck though

May 27, 2009 | Alphasonik (PMA640A) Car Audio Amplifier

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I have a kicker zx700.5 amp

Hello aj_vidal22,

Here's the link to MTX's sub page where you can view or download the information you need to properly wire the subs to your amp.

For maximum power, you'll need to wire the subs so that they present a 2 ohm load to the sub outputs on your amp. That will give you the full 420 watts RMS the amp is rated for. Likewise, you,ll want the run the front 4-channels at 2 ohms. Run separately, they produce 85 Watts times 4 channels, or if bridged, 130 watts times 2-channels. But if you run fronts at 4 ohms, they only produce 70 watts times 4 channels and your sub output at 4 ohms drops to 210 watts.

Hope this helps.

Apr 17, 2009 | Kicker 06ZX750.1 Car Audio Amplifier

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I have a rockford fosgate p250.2 amp hooked up to two 12' subs but the amp is not powering on... instead the protect light is on and im not sure if its because its so cold outside... please help and thank...

Remove the load from the amplifier (subs) and the RCAs
If the light stays on, there are internal problems with the amplifier, and it needs to be serviced.
If the amplifier works normally, attach the RCA's and power on again.
If it remains on, connect one sub, and then the other.
Your amplifier is a 2 channel amplifier rated at
60 Watt - 4 Ohm - 2 channel(s)
125 Watt - 2 Ohm - 2 channel(s)
250 Watt - 4 Ohm - 1 channel(s)
Your amplifier is not rated for a 2 ohm mono load.
If you have Single voicecoil subs wired in parallel, you have a 2 ohm mono load - your amplifier will eventually fail.

Jan 16, 2009 | Rockford Fosgate Punch P2502 Car Audio...

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Help me...

If you had 4 single voice coil speakers you can create either of those 2 ohm or 4 ohm setups. If you run 2 of them in parallel you will get the 4 ohms. If you run 4 of them in parallel you will get the 2 ohms. In parallel I mean that you connect the positives together and run them to the positive on the amp and the connect the negatives together and run them to the negative on the amp. Let me know if you need more help. Good Luck.
-Andrew Hawkins

Jun 24, 2008 | Cadence TXA 6004 4 Channel High Power...

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2006 12" Kicker L7 4 ohm

first whats the range in terms of WATTS that your 12" sub can handle in 4 OHMS ? second , lets check the AMP , POWER ACOUSTIK 1800 WATTS , Now thats a lot of power to drive a single 12" sub speaker . your amp is 1800 watts , per channel is around 500 watts , if BRIDGE thats around 1600 watts rms for ONE channel , if your sub can handle that kind of wattage fine , but it will not blow the amp , what it does is shuts down , some kind of protection mode , it will come back on after a minute or so. I suggest to use one channel in stereo mode , or purchase another sub to use the other channel. i hope this helps AJ

May 06, 2008 | Kicker 06ZX750.1 Car Audio Amplifier

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you have a foulty amp i wtake it bk and change it

Dec 27, 2007 | Hifonics Brutus BX 1505D Car Audio...

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