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pv2600 odd volume problem

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tcourtneyvincent View Drop Down
Young Croc
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    Posted: 05 March 2012 at 12:28pm
My pv2600 has an odd problem with its volume. Its fine as long as i dont bang it. When the volume is below about 1/3 i can bang the amp and the volume will jump up to what sounds like about 1/3 volume and stays there for about 3 seconds then drops back down to where i have set to volume to be.
If i set the volume above 1/3 then bang it there is a small crackle but no change in volume.
Its very weird, anyone got any ideas?
Cheers
Tom
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Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dub Specialist Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2012 at 1:11pm
nahh man that crazy that is b'cus ive the same problem not my pa gear but a house amp/intergrated a Technics SU-810 that does very simlair its starts the fade out the volume on the right channel then when a bang it sharply with my hand it jumps back the original volume were i set it..very interesting to here from the pro's on here...
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Earplug View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 05 March 2012 at 3:24pm
Maybe stop banging it?Tongue Big smile

Do you mean you set the amp volume knob at 1/3? It´s usually best to leave the amp volume pot at maximum and control the volume from the desk/preamp.

In any case, you might have a problem with the pot, a dry solder joint, dodgy capacitor or loose connector. Similar answer for you too, DS.
Earplugs Are For Wimps!
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taurusty View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote taurusty Quote  Post ReplyReply Direct Link To This Post Posted: 07 March 2012 at 6:50pm
Had a PV 2600 W THE SAME prob; cleaning the (rear) vol pots solved that. When u pull it looking for & resolving cold (solder) joints mite help too...
 
QSC RMX's have cheap pots that give similar issues....


Edited by taurusty - 07 March 2012 at 6:53pm
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imageoven View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote imageoven Quote  Post ReplyReply Direct Link To This Post Posted: 08 March 2012 at 1:11am
You're not hitting it hard enough!


First thing to try is to clean the volume potentiometers, if this doesn't cure or improve it, take it to a reputable repairer - it's probably a very minor fault such as Earplug suggests so shouldn't cost much to fix.

Seriously though, now you've identified it as faulty please stop hitting it - you'll only break something else too.
Keep pushing on, things are gonna get better.
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