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Board added for "ADA Cab Sims" in Other ADA Gear (coz El asked for it LOL)

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Started by Soloist - Last post by Soloist
My Mp2 sound keeps cutting out, kinda like a stutter.
No power loss only sound. Full volume one second and the next nothing, then back in. Its constant and doesn't matter if any effects or noise gate is on or off. Any ideas?

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Started by Chamai - Last post by Chamai
Haven't been on here awhile. I just moved from Vancouver.bc to Edmonton AB. It's been a crazy few months. Thanks to the stupid hosing prices in Vancouver. We sold and moved into a 3000 plus sqft of living space and an extra condo into rent out from a two bedroom 850 sqft apartment in Vancouver. Waiting for the basement to get some so I can finally have my own jam space. But. I have no friends here haha
Any recent gas people?

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Started by GuitarBuilder - Last post by Chamai
Looks good man.
It's really nice to see there's a group of people still using ADA stuff

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Started by rabidgerry - Last post by rabidgerry
Hi Mike,  yes I guess you are right.  Hard to think straight when you start to get pissed of at something.  I thought the wiring was incorrect and had been searching the internet looking for other diagrams or confirmation of my own but it all seems fine.  I still don't understand why it's only tone/pushpull that this noise issue happens though this is why I concentrate on that as the problem.

HI SC, man the noise goes away when I touch the strings because the strings are grounded because they rest on the tremolo which is also grounded.  I haven't checked directly but I think touching the trem and turning the pushpull pot results in the same thing outcome as just touching the stings.

So hands on strings/trem = no noise when turning the tone push pull
No hands on anything = noisey turning on the tone push pull

will have to go back to the drawing board here.

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Started by mrguitar - Last post by rnolan
 :whoohoo!: :thumb-up:

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Started by mrguitar - Last post by mrguitar
I just got the new COM8017. Popped it in; and it works like a champ!!

I no longer get a constant stream of garbage when listening to the midi out port. The changes are instant and work perfectly from the Kemper and Kemper Remote.

......still tempted to buy this:
That was the foot controller I had back in the 90s. I thought they did a phenomenal job on that one.

Thanks again for all the help!

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Started by rabidgerry - Last post by Systematic Chaos
This sounds all like a grounding issue....having been there and gotten that t-shirt a couple of times myself, check the grounding wire that goes to the bridge (or the lockong trem spring clamp).
If the noise goes away once you touch the strings, that part of the guitar has a grounding issue....

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Started by davidfugler - Last post by Systematic Chaos
think that could have anything to do with the thin sound? I was thinking of getting your transformer upgrade. what do you suggest I do?

Let me suggest a methodical approach here...

I'm with MJMP suspecting something in the PSU being the culprit for the power-up issues. Low and thin gain could be the old front jack and/or Diode D16 as well as some old dried out caps having gone far off specs.

To address all of the above:
- do the Noise Mod
- do the rear jack conversion Mod
- do the Battery Mod

That should get you back on track. Concerning the transformer: some prefer the smooth compressed sound of the original tranny, some prefer the added clarity of the MDRT.
If you get it up and running again with the 3 mods I mentionend you can still decide if you like what you're having or if you wanna add the MDRT.

Soldering is no witchcraft. The hardest/most difficult part soldering-wise of the mods I mentioned above is changing the U4 OpAmp (IMHO).
If you're uncertain you can do it, gather all parts for the mods and take it to an amp repair guy or (if you still have them in your neck of the woods) an old TV repair shop.
It's just swapping some resistors and caps and an OpAmp for newer better spec'd/higher quality parts. Desolder the old parts carefully while paying attention not to lift/burn any traces (less heat on the soldering iron is more!!). Clean everything nice and tidy with desoldering braid and PCB/Solder Flux cleaner, put in the new parts, make sure you get clean solder joints. Clean everything with Solder Flux cleaner again after the soldering job and you're golden.

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Started by rabidgerry - Last post by MikeB
Hi Gerry.
I sense that you are a little frustrated here.  I think I would be too.
I'm no expert, but here's my two cents worth. If you swap out one component and the problem remains then is likely that the problem is not in that component. You have been very focussed on the pot as the source. Might be time to look elsewhere.

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Started by rabidgerry - Last post by rabidgerry
So I swapped it out and used another push pull.

Same shit.  It makes noise when you turn it and have no hands on the strings.  But when you have your hand on the strings and touch it and turn it it more or less makes no noise.  Seems to function normally apart from this.

No idea why it's making this noise, outside of the push pull chassis is grounded as it should be.

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