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possible qsc rmx amp problem |
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RoadRunnersDust 
Young Croc 
Joined: 03 December 2013 Location: United Kingdom Status: Offline Points: 617 |
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 Posted: 23 April 2022 at 8:36pm |
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If you short the wiper to the input leg then the pot still acts like a soft mute switch if you wind it all the way off
Conductive plastic pots don’t suffer this age related fate (unless they literally get worn out from use) as the issue is the carbon tracks of the pots corroding, I always replace carbon track for conductive plastic whenever I’m repairing kit, guitars, etc.
Edited by RoadRunnersDust - 24 April 2022 at 12:01pm |
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Line Array
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Joined: 19 March 2022 Location: New Jersey, USA Status: Offline Points: 204 |
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Posted: 24 April 2022 at 9:43am |
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that's really interesting !
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kedwardsleisure
Old Croc 
Joined: 20 January 2009 Location: Staffordshire Status: Offline Points: 5157 |
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Posted: 24 April 2022 at 6:52pm |
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just stick new pots in and away you go. You can buy them anywhere.
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Kevin
North Staffordshire |
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mitchiemasha
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Joined: 27 August 2009 Status: Offline Points: 466 |
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Posted: 18 July 2022 at 11:53am |
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Where can we get the right pots at a good price? Upgraded quality for QSC. Who and what do people recommend?
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Earplug
Old Croc
Joined: 03 January 2012 Location: Europe Status: Offline Points: 7752 |
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Posted: 18 July 2022 at 12:49pm |
What size & value are they? I have some very nice "vintage" pots here surplus from a Soundtracs desk refurbishment!  Otherwise - I wouldn't worry too much about it. 99% of the pots on the market now come from Shenzhen!  |
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Earplugs Are For Wimps!
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RoadRunnersDust
Young Croc
Joined: 03 December 2013 Location: United Kingdom Status: Offline Points: 617 |
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Posted: 18 July 2022 at 1:21pm |
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https://cpc.farnell.com/w/c/electronic-electrical-components/resistors/potentiometers-trimmers-accessories/rotary-potentiometers?product-range=p160
you just need to choose the right value and taper |
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APW
Young Croc
Joined: 13 November 2012 Location: UK Status: Online Points: 1234 |
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Posted: 18 July 2022 at 4:13pm |
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The correct pot for the plx2 range is a 4 pin pcb mounted 5k pot, QSC part number PT-250002-00
…. For older models it’s a 10k pot part number PT-310000-CR Edited by APW - 18 July 2022 at 4:19pm |
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mitchiemasha
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Posted: 19 July 2022 at 12:30am |
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Delete please
Edited by mitchiemasha - 19 July 2022 at 12:32am |
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mitchiemasha
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Posted: 19 July 2022 at 12:31am |
How about QSC RMX?
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APW
Young Croc
Joined: 13 November 2012 Location: UK Status: Online Points: 1234 |
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Posted: 19 July 2022 at 8:49am |
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select the exact model from the dropdowns and it'll give you the part number.
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mitchiemasha wrote: