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Re: GReg-Electrical Tech Journal Redux

Studio B- Phantom powered mics not working with mic input 21, no matter what preamp. Checked the pin-1 ground connection at the mic panel downstairs and saw it was open. Both patch points for mic channel and console input were correctly grounded at the sleeve contact. I re-punched the shield of the ...

Re: GReg-Electrical Tech Journal Redux

Lomo 19a18 noisy Tried cleaning, swapping capsules and cables to narrow down the noisy element. The head amplifier was causing the noise. I resoldered an iffy looking joint near the capsule connector. It looked like a resistor and/or capacitor leg was floating in solder on an eyelet terminal. This ...

Re: GReg-Electrical Tech Journal Redux

Rearranged some gear in studio A to accommodate a second Omnipressor. Finished a pair of EA DI boxes for the studio with some old version boxes. We've had a few sessions which were extreme in their DI needs, and ran out. Finished a bunch more EApreq500s and officially offering them up for sale now. ...

Re: GReg-Electrical Tech Journal Redux

Neotek Elite- Channel 13 wasn't sending to the busses or direct out with the large fader set as the source (fader REV button up). One of the legs on the REV switch (6P2T) wasn't soldered. This wasn't discovered until recently because the channel spends almost all of its time in the reversed mode, wi...

Re: GReg-Electrical Tech Journal Redux

Studer A820MCH sn 125X? The meterbridge froze, then the reel motors went limp on Taylor in session. I ran down from my session to see if it was something dumb and simple. It wasn't, so we moved one of the other 820s in its place temporarily. It's handy having a few around. After my session ended, I ...

Re: GReg-Electrical Tech Journal Redux

Beyerdynamic M160s Our pile of distressed ribbon M160s got up to four. Time for ribbon assembly replacements, and off to Consolidated Sound for the work. I've replaced a few of these before, and it's labor intensive. With such a big pile, and no free time on my hands, I'm happy to have them do it. I...

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