Question about Phoenix Gold ZX600ti Car Audio Amplifier

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My amp turns on but when i turn volume up it starts to thermal protect

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Unless there is something wrong with the amplifier, there must be a shorted connection. Try doing the same with no speakers plugged in and see if the protection breaker trips. If it does not, then one of your speaker cables is shorted. Try installing the cables one by one, and test it, to see which one is at fault. Another remote possibility, is that one of the speakers is blown, or has a load lower than what the amp will accept.

Posted on Aug 03, 2010

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Carver manual


Could be....
  1. There's a short in your speaker wiring somewhere
  2. or a blown speaker
Wiring shorts might be only a single strand of copper wire. But it's enough that at higher volumes it conducts enough current between the speaker terminals to trip the amp's protection mode.

Fix the problem. Go through your wiring. Check using a torch. If all looks good then it's a blown speaker.

Remove the speaker wires from the amp. Switch the amp on and turn the volume up full. The amp should stay on. Turn the volume down and switch off.

Now connect ONE speaker only. Try the amp on and volume up again. If it trips out then that's the faulty speaker. Repeat by adding one more speaker each time. When the amp trips, the last speaker added is the culpret.

If you've done all the simple stuff, then what's left is a problem with one of the output transistors. It needs the output transistor(s) replaced inside the unit. These directly drive the loudspeaker outputs on the receiver itself, and one or more of them being shorted (closed circuit), will trigger the error on the display of the receiver, and it will not go off until the problem is repaired. They are not user-replaceable as they are PCB mounted, and thermally coupled to a heatsink. In this case, the unit is in need of service.

Sep 07, 2014 | Audio Players & Recorders

2 Answers

Thermal protection comes on real fast at high volume


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty . Please check speakers impedance .A thumbs up would be greatly appreciated if this answer is helpful to you
thermal-protection-comes-real-fast-high-otfyjrky3pc2prtgltcdyqtn-3-0.jpg

Aug 10, 2013 | Phoenix Gold Car Audio & Video

1 Answer

My amp cuts off every time I turn it on.. even with n without the wires connected!!!! N if I do cut it on the volume is on -7 n cuts off automatically n won't come back on unless I replug n plug it up...


Does the "protect" light turn's on when it shuts off? If it does then theres a problem with your wiring or worse this might be a Thermal Protect. The amp shuts off because its lacking of voltage from your battery & alternator. Post your system so i could help you further.

Apr 11, 2011 | Yamaha Audio Players & Recorders

1 Answer

Stereo cuts out at half volume.


You don't exactly define what "cuts out" means.... silence, protection or power off?

What makes you think it's thermal in nature?

Have you considered the speaker load impedance may be too low for the amp?

May 02, 2010 | Audio Players & Recorders

3 Answers

My nitro bmw-486 amp is in protect mode how can I


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty De .A thumbs up would be greatly appreciated if this answer is helpful to you. nitro-bmw-486-amp-in-protect-mode-lv2kkrmxrai4iihdvw4m3np2-1-0.jpg

Feb 24, 2010 | Nitro BMW-486 Car Audio Amplifier

1 Answer

When I turn the volume up past 3 it starts this


I suspect you are going into protect mode which backs the gain way off to prevent over driving.

You MAY be trying to get too much volume out of it. Remember that the value of "3" on the volume means ALMOST nothing as you may have a hotter guitar. Some guitars with internal preamps EASILY overdrive the amps at low settings. Do not use excessive gain at the input.

If the amp is real low volume way below what is needed to play, then there may be a problem with the protection/compressor circuit.

Suggestion: Take your guitar to a music store and compare action on an IDENTICAL amp.

Feb 01, 2010 | Music

2 Answers

I have a 2600 peavey amplifier and when i turn the volum up it cuts off for about 2-3 seconds what i need to do


check that the cooling fans are working. if they are not then you are probably triggering the thermal overload protection.

Nov 08, 2009 | Peavey Pv 2600 Power Amplifier

1 Answer

The power protection kicks in when I turn up my radio volume


ground wire connection or possibly amp is turned up to high when an amp is turned up all the way it starts pushin dc voltage also it could burn out the internal battery check all connections and settings after that make sure subs arent begining to blow a sub that starts to blow kicks of the amp hope this helps

May 21, 2009 | Sony Xplod 500W Bridgeable Multichannel...

1 Answer

Peavey Bass amp 115


HI Subicbay,

ADjust your Gain setting to limit just enough so the amp does not go into Protect mode. Turn your Gain all the way down, then crank up the bass from your system. GRadually turn up the gain until you trip on protect. Turn the gain back a notch and your set for no more protect.

Oct 27, 2007 | Jensen XA4150 Car Audio Amplifier

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