Search found 3 matches

by squarewaveind
Tue Aug 16, 2016 12:13 pm
Forum: Build
Topic: Phono Transfer System Construction Information
Replies: 249
Views: 6531974

Re: Phono Transfer System

It's a good thing you did since it still is a balanced input and it realizes common mode rejection even if it is connected using an RCA. The balance of co-axial cables isn't as good as true STP but apparently quite a few modern "co-axial" RCA cables are internally STP so the only unbalanc...
by squarewaveind
Wed Aug 10, 2016 12:38 pm
Forum: Build
Topic: Phono Transfer System Construction Information
Replies: 249
Views: 6531974

Re: Phono Transfer System

Adam has had the preamp for a little while now and it's been working great so far. He has it mounted in a rack very close to the lathe so I believe the cable run is only about 4-5 ft. He says it's dead quiet even with everything cranked. Paul, how long was the cable run for the preamp gain when you ...
by squarewaveind
Thu Aug 04, 2016 11:18 am
Forum: Build
Topic: Phono Transfer System Construction Information
Replies: 249
Views: 6531974

Re: Phono Transfer System

Here's a recent build I did for Adam Gonsalvez over at Telegraph Mastering. Unbalanced input, switchable MM/MC, variable input impedance for MC, variable capacitive load, variable gain in 3dB steps, and +/-1.5dB L/R trim. The raw stereo gain goes from 27dB to 52dB, and with the trim the full range i...