Allen Bradley Mod-Pots

imix500 · 21st August 2010, 06:19 PM

Hello all, I have a pile of old Urei equipment- mostly the cut-only feedback filters. I'm repairing them at work to sell off and these pots have all become scratchy and are used everywhere . It appears these were not designed to be cleaned without disassembly. I'm guessing they are the carbon types and have read that they might not be recoverable.
So, my question is this. Are the current bournes or honeywell/clarostat pots compatible with the originals? The single pots are no problem to replace but there are 6 four-gang pots per unit and I'm sure they are non-stocked anywhere. I'm assuming I would have to replace the individual gangs and reuse the hardware.
Thanks!

john curl · 21st August 2010, 06:42 PM

The Clarostat and Bourns are actually better than A-B mod pots, because of a distortion generating mechanism in the AB, but you might be able to clean them with DeOXIT.

21st August 2010, 06:19 PM	#1
imix500 Proud Union Member diyAudio Member Join Date: Mar 2004 Location: Nashville, TN	Allen Bradley Mod-Pots Hello all, I have a pile of old Urei equipment- mostly the cut-only feedback filters. I'm repairing them at work to sell off and these pots have all become scratchy and are used everywhere . It appears these were not designed to be cleaned without disassembly. I'm guessing they are the carbon types and have read that they might not be recoverable. So, my question is this. Are the current bournes or honeywell/clarostat pots compatible with the originals? The single pots are no problem to replace but there are 6 four-gang pots per unit and I'm sure they are non-stocked anywhere. I'm assuming I would have to replace the individual gangs and reuse the hardware. Thanks!

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21st August 2010, 06:42 PM	#2
john curl diyAudio Member Join Date: Jul 2003 Location: berkeley ca	The Clarostat and Bourns are actually better than A-B mod pots, because of a distortion generating mechanism in the AB, but you might be able to clean them with DeOXIT.

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