QSC RMX5050 pots |
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Badger74
Registered User Joined: 10 January 2015 Location: United Kingdom Status: Offline Points: 142 |
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Posted: 18 March 2015 at 4:37pm |
I just replaced mine in a 4050 ( 2nd time around ) and this time they actually do sit correctly.
The previous ones where 180 degrees out! |
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djsam3000
Registered User Joined: 14 May 2009 Location: South East Status: Offline Points: 334 |
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Speak to Timo in service at Shure Dist, he is very helpful. Depending on the serial number it could be one of two different types if i remember correctly. They will supply you with just a pair if you need it.
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kedwardsleisure
Old Croc Joined: 20 January 2009 Location: Staffordshire Status: Offline Points: 4938 |
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Perhaps when Gold Peak made the amps they bought a load of the wrong sort and just thought 'stick em in'
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Kevin
North Staffordshire |
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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I have no idea why they have two different resistance versions, I really doubt given where they're used that it makes any difference!
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MattStolton
Old Croc Joined: 04 September 2010 Location: Walthamstow Status: Offline Points: 4234 |
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Pics of the offending items.
There are both B10K and B2.5K, from memeory for a mix of RMX850 and RMX1450. Seems to inply 2450, 4050 and 5050 may also have different parts. Shure Dist would be best bet? |
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Matt Stolton - Technical Director (!!!) - Wilding Sound Ltd
"Sparkius metiretur vestra" - "Meter Your Mains" |
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dylan-penguinmedia
Old Croc Joined: 14 April 2011 Location: Brighton Status: Offline Points: 4576 |
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Got some winging their way to me already!
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Badger74
Registered User Joined: 10 January 2015 Location: United Kingdom Status: Offline Points: 142 |
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Give shure a ring, always helpful.
I need some for my 850...you've just reminded me ;)
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TRE4U2NV
Old Croc Joined: 21 May 2005 Location: home Status: Offline Points: 2592 |
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yeah thats it long time since ive opened one up i knew it was something along those lines
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IM SO SECRETIVE BUT I CANT TELL YOU WHY
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dylan-penguinmedia
Old Croc Joined: 14 April 2011 Location: Brighton Status: Offline Points: 4576 |
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Thanks guys - have dropped Shure an email - didn't think it'd be something they'd be interested in supplying direct in small quantities, hence the thread. Will see what they say!
(they are a PITA though, those pots!)
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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Remove from the amp. Dismantle the pot, clean the centre silver conductive track with a bit of switch cleaner on a cotton bud, reassemble and replace, good as new!
It is somewhat annoying that it's actually the centre common contact that oxidises up, not the resistive carbon track. The 2U amps use one type of pot, the 3U amps use another. You can interchange them but the knobs won't line up with the markings on the front panel.
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TRE4U2NV
Old Croc Joined: 21 May 2005 Location: home Status: Offline Points: 2592 |
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pots on rmx are different across the range iirc or they dont line up with knobs one of the two
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IM SO SECRETIVE BUT I CANT TELL YOU WHY
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rigsmith_electronics
Registered User Joined: 13 June 2014 Status: Offline Points: 25 |
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My pal droped off 7 or more QSC amps and bags of pots to my workshop last year.
I cannot remember the exact amp. but there was different values for the same amps depending which version of the PCB it has. He said he got them from QSC and from memory I dont think he was ripped off. Why not call them, I think they are expecting people too do so. |
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