Search found 7 matches

by Warbler
Thu Jan 03, 2019 10:44 am
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

Turns out this mic pre is totally fine. There was a combo of diagnostic stupidities, on my part, leading me astray. My apologies, and thanks for your willingness to help.
by Warbler
Fri Dec 28, 2018 9:26 am
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

Pot checks out smooth.
And strike that previous comment on the gain being "back". Just makes some noise when the pot is turned past few clicks to max.
by Warbler
Fri Dec 28, 2018 9:17 am
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

Ok, back at it. I have 16+ & 16- & 38v phantom. (This is low for phantom I know. I can adjust that.) I can hear the relay click when plugging in the DI When I turn the gain all the way up, there's a funky spot towards the top (just under max) where all of a sudden my gain is there. Bad pot m...
by Warbler
Fri Dec 21, 2018 10:45 am
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

Thanks Joe. I’ll be able run those checks after the holidays and get back to you.

I do have an extender card.
I did get a dummy plug.
Merry Christmas!
by Warbler
Tue Dec 18, 2018 1:55 am
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

You are so helpful! I really appreciate that. https://i.ibb.co/9qgxw9M/IMG-1484-2.jpg https://i.ibb.co/YBkd83T/IMG-3689-2.jpg https://i.ibb.co/pyG99m8/IMG-5740-2.jpg https://i.ibb.co/y0VsFKY/IMG-6004-2.jpg https://i.ibb.co/27XWvmr/IMG-6748-2.jpg https://i.ibb.co/8gqRHwF/IMG-7171-2.jpg https://i.ibb....
by Warbler
Mon Dec 17, 2018 3:02 pm
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

Thanks. That’s what I thought. I have a very low gain issue. Wondering what I did wrong. I’ll have to do some diagnosis, and potentially get back to you. Thanks again.
by Warbler
Mon Dec 17, 2018 4:01 am
Forum: JLM Audio Kits
Topic: BA500 Mic Pre Amp BUILD THREAD 500/51X
Replies: 68
Views: 76335

Re: BA500 Mic Pre Amp BUILD THREAD 500/51X

Hi!

Can you tell me how to wire the JLM1:4 to the go between board? The PCB is color coded for all the wires except the black.

Thanks,
Sean

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