Cleaning analog contact's ?

[Bill C]

Hey all I have a old carver 5 channel amp 705 thx . It has gain knobs or pots for all the channels I think that's what there called . I loose connection on one and sometimes and have to mess with them and comes right back on . Anyone clean these up and any suggestions how and on a good contact cleaner ?

[Bill C]

My bad it has plastic knobs also

[slimdude]

Get a can of Air Spray Duster, and spray inside and around your inputs. If that doesn't work, then you may have a shortage in the circuitry of the unit. It's not only available at Home Depot, you can buy it any department store.

https://www.homedepot.com/p/CRC-8-oz...B&gclsrc=aw.ds

[pjb3]

The contacts tend to get oxidation over time unless they are gold plated. The easiest solution is with the equipment turned off rotate the knob all the way in each direction several times. The idea is the contacts rubbing against each other will clean them. I have to do this with my receiver since some controls such as balance are never moved. You can also Google 'contact cleaners' . I have used these before but for them to work well they need to be sprayed on the contacts which may mean removing the cover from the equipment.

[Mose Harper]

Originally Posted by Bill C

Hey all I have a old carver 5 channel amp 705 thx . It has gain knobs or pots for all the channels I think that's what there called . I loose connection on one and sometimes and have to mess with them and comes right back on . Anyone clean these up and any suggestions how and on a good contact cleaner ?

Don't know if this will help with the other controls, but I've used it with success on analog speaker connectors- jack ends and receiver inputs.
https://www.amazon.com/DeoxITLiquid-...4&sr=8-11&th=1

Deoxit also have a "contact enhancer" for post cleaning.

It cleared up the problem I was having with static/crackling noise.
The spray cans are a better value, but if you want to save a few bucks, the amount in the small tube should be enough to clean all your connections now, and they should be good for many years after.