Just helped a friend finish off a build that we’ve been working on when we’ve had time to get together.
Used Beesneez capsule, Moby transformer and GE6072A.
I’ve never built a mic before, and he’s certainly new to DIY electronics but is now hooked!
We finished it and tested it on the bench and all seemed well. He took it away to try in his studio and used it straight away on a session and is very happy. It’s currently in a ‘vanilla’ state, so there is a benchmark to refer to before spending some time tweaking component values.
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A couple of things though…
1. The relays were just stopping the body from centralising to the top plate.
This was overcome by filing and elongating the top holes in the guide rails. This allows them (and the pcb to move over a few mm so the top plate centralises in the Aliexpress body.
2. He has mentioned that it does seem a little bit low on output and had to push his Avalon 737 s fair bit.
Is this typical with this circuit? Obviously I’m just relaying initial impressions at this point (and not in the room), or is there something else to look for?
3. H+ is dialled in at 6.3, B+ just shy of 120. Is there an optimum voltage for B+, or just open to experimentation along with swapping out some components to alter frequency response?
Anyway, thanks to Danny and everyone here for contributing to a great project and a really big shout out to
@Jim50hertz who gave us lots of great advice outside of this thread.
Cheers
Chris
