Courtesy of reader Bill W comes today's scan of a much more complex tube limiter project. Herbert Hartmann penned this…
Reader Bill W recently sent us a few interesting ancient DIY audio projects that we had not seen before. Today's…
While searching through my output transformer shelf for a suitable reverb-driver transformer for the basket-case Kalamazoo Reverb 12 I recently…
We've covered some fairly obscure + forgotten audio publications here at PS dot com, but this one takes the taart.…
It's very hard to find vintage BRAUN hi-fi gear in the states; i've seen some amazing BRAUN receivers in Canada,…
I'd never been particularly interested in learning solid state electronics. There just didn't seem much point; considering that you can…
Note: I performed extensive frequency, level, and actual studio tests on the 864 clone today, and several interesting details were…
Download the complete 6pp Mullard "Made for Music / Valves For Audio Equipment" c. 1960 catalog: DOWNLOAD: Mullard_Made_For_Music Products covered,…
Via this eBay auction: a UTC A-12 mounted on a plate-retained octal plug, with the pins wired to correspond to…
In NYC in the mid-seventies, an electronic-based band arose amongst all the guitar punks, a band that was known as…