Search found 4 matches

by caffeinator
Thu Mar 04, 2021 7:55 pm
Forum: Aesthetics, Look & Feel
Topic: Harmonica Amp
Replies: 13
Views: 3651

Re: Harmonica Amp

Hello, GusGus, Thank you for the reply. It's a lucky man indeed whose wife is a wizard with Tolex! I have played the harp off and on for a long time, but have never become proficient...never got far past "Yellow Rose of Texas," and the like. It's been on my pandemic projects list, though, ...
by caffeinator
Wed Mar 03, 2021 3:20 pm
Forum: Aesthetics, Look & Feel
Topic: Harmonica Amp
Replies: 13
Views: 3651

Re: Harmonica Amp

Hi GusGus, Excellent work! Your tolex work is impressive! What sort of adhesive did you use? As for shielding, screen, perforated metal, copper foil, aluminum foil, sheet metal, and shielding paint all work. However, if you're not getting bothersome noise pickup or hum, they may not be necessary. Wh...
by caffeinator
Thu Feb 25, 2021 1:36 pm
Forum: Audio Bench & Dummy Load Setup, Test Equipment, Etc.
Topic: Power up of Isolation Transformer
Replies: 6
Views: 1876

Re: Power up of Isolation Transformer

It's pretty common for an isolation transformer or variac to trip the breaker when plugging in or turning on. Installing an inrush current limiter can prevent this from happening. I've seen a good video on a youtube channel which explains this: https://www.youtube.com/watch?v=_pEmpvcNmXg Go to about...
by caffeinator
Thu Feb 25, 2021 1:15 pm
Forum: New User Introduction - Please introduce yourself to the group
Topic: Welcome everyone and thank you for joining the blueglow forum family!
Replies: 277
Views: 51171

Re: Welcome everyone and thank you for joining the blueglow forum family!

Hello, all, I'm David, aka caffeinator. I'm in the Seattle, WA area. I've been tinkering with vintage audio for about 25 years and doing kit-builds and scratch-builds for about 20 now. I'm a big fan of tube audio but do have a few solid-state and hybrid pieces in my collection as well. I'm a vinyl a...