Search found 3 matches

by rotarysmp
Sat Mar 17, 2018 1:22 pm
Forum: Atlantic Series
Topic: Used TA-30 Issues Reverb/FX-Loop Noise and Intermittent Wonk
Replies: 5
Views: 4203

Re: Used TA-30 Issues Reverb/FX-Loop Noise and Intermittent

I decided to to do the switching tech bulletin straight away, as it is only the addition of a 2.2kµF cap to the +15V supply. The tech bulletin from Mesa Engineering is very clear, although there is no a lot of room to work in this amp. Now the switching works properly. Thanks Mesa.
Mark
by rotarysmp
Sat Mar 17, 2018 2:17 am
Forum: Atlantic Series
Topic: Used TA-30 Issues Reverb/FX-Loop Noise and Intermittent Wonk
Replies: 5
Views: 4203

Re: Used TA-30 Issues Reverb/FX-Loop Noise and Intermittent

I resent my support request to Mesa, and they responded within a day ( their rep in Germany). They watched my youtube video, and sent me the three Tech bulletins which address these noise and switching issues. The mods are easy enough, so I'll do them once I get the cap, two resisters, and one J-fet...
by rotarysmp
Tue Mar 13, 2018 11:46 am
Forum: Atlantic Series
Topic: Used TA-30 Issues Reverb/FX-Loop Noise and Intermittent Wonk
Replies: 5
Views: 4203

Re: Used TA-30 Issues Reverb/FX-Loop Noise and Intermittent

My TA-30 2x12 combi has very similar issues. I posted a similar video as you made here: https://www.youtube.com/watch?v=UebU30a0WIo&t=1s Did you contact Mesa Boogie support? I sent them a detailed e-mail nearly 4 weeks ago, as there is no M-B service partner in my country, but haven't received any r...