Question about Peavey PV® 2600 2-Channel Amplifier

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Peavey 2600 Low input = Complete Cutout

I run a peavey pv2600 power amp. It has been running fine until about a month ago when i added another pv900 amp to lighten the load on the bigger amp.

Now very quickly after the amp has been turned on the red lights on the front both light up simultaneously with very little input. If we turn the amp down and the mixer up this works (although i know its not a good idea).

Any ideas???

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  • theonlymaxre Jun 15, 2009

    Ok, thanks.

    I am running 6 Jbl Control 25's and one Powerworks Sub (600w). Heres how they are linked , mixer> limiter> pv 2600 (which runs into the sub and 2 of the control 25's) the sub has a crossover built in> graphic eq> into the pv 900 (which runs the other 4 control 25's)

    I hope this helps you understand the problem better.

    Can I just say that through my own investigating I have thought that the fan is not working properly so have put a fan into the area where the amps are running and it seams to run better (less sensitive). Does this mean the fan system needs replacing?

    Thanks
    MAX

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I'm not quite sure of how the two amps are interacting here, so I'd like to request that you describe the entire hookup. Sending a higher signal from the mixer should not be a problem, but something is wrong in the setup (I think). Please update this with a description of how you have the mixer and amps connected to the speakers. Thanks, Dan

Posted on Jun 15, 2009

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1 Answer

How to connect subs and mains to the same pv2600


This will depend on your Subs. If they have an inbuilt crossover there will be input and outputs on the rear, with the output marked something like 'tops' or 'Output to HF'

If you have these then it should be a simple matter of connecting yout amp to the subs and then the mains to the output.

If you haven't got a crossover in the subs then you will either need to buy a pair of two way crossovers for the right power and frequency and have these in the speaker wiring or use the amp's inbuilt crossover and run one channel for tops and the other for subs. You will lose stereo but the amp will happily drive a 2ohm load so you should still be able to use all four speakers.

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I feel like a dork asking this question but how do you connect the amplifier to your mixer. I see that there are places for a banna plug however my mixer will not take a 1/4 banna plug.


In case you don't have one, here is a link to the manual:http://www.peavey.com/assets/literature/manuals/80300573.pdf I don't know if you are using a separate crossover between the mixer and the amp but here is the simplest explanation.I just reread your question and I don't even know whether you have a Peavey amp. Run proper cables from the main output of your mixer to the main inputs of your power amp.They will be 1/4"shielded cables or Balanced XLR cables. Do not use unshielded speaker cables to hook the mixer and the amp together.Run speaker cables from the speaker outputs of the amp to the input jacks of your speakers.Make sure the impedance of your speaker cabinets equals or exceeds the impedance rating marked on your amp. Here is the link to the newer model PV2600 manual:http://www.sweetwater.com/store/media/pv2600_doc_manual.pdf Don't use Speakon cables unless your speaker cabinets are equipped with Speakon input jacks. Banana plugs aren't as solid a connection as the binding posts are.

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I have 2 peavey 2600 amps with 1 pv6 mixer wanting to run subs off 1 amp and sp2s off other amp but only have 1 main output on the pv6 mixer whats my solution


Hi there,
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Best of luck

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1 Answer

I have a Peavey PV2600 amp that had some blown outputs, open resistors, & burnt misc. components. I have replaced all the parts, but now I have the DDT light on steady for Channel A even with nothing...


Chances are you have NOT got all the bad parts out yet.

HINT: While cold starting an amp after it smoked, put a 150 wat lamp in series with the power cord to act as a current limiter... saves fuses and parts.

The DDT circuits PROBABLY look for amplifier DC balance AND no overload of power supply as protection.

They COMPRESS the audio when it goes above a certain level.

SO, to troubleshoot this you will probably need an oscilloscope.

LOOK for a supersonic oscillation that you cannot hear but MAY be driving the amps beyond the DDT trip point. Drive a pure low level sine wave into the amp and follow it through to see at what point the DDT compressor senses an out of range level.

Remember it HAS worked before, and there is still a bad part in the unit. DO use my suggestion to limit the current as often while troubleshooting this type problem, the signal will suddenly go to a point to fry something, then you get to replace all the parts AGAIN.

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1 Answer

PV 2600, couple years old, light usage. Connected to two PV SP3K speakers. One channel started to cutout somewhat but not all the way, Switched a few input cables, swapped L&R. Then whole amp shutdown....


Hi..

I've worked on similar units.
Things I'd check first :
Dust in the unit.
Weak solder connections /crusty debris stuff on the input jacks or output terminals
Any flex cables soldered in tend to be a problem on peavey amps I resolder all those contacts.
Checking the amp w/o a load IS NOT a good suggestion.
What style output connections are you using?
1/4 inch, binding post, or Neutrik style?

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