Many of my regular readers will be familiar with the Shure Level-Loc. For those unfamiliar, the basics: the Level-Loc is…
Sometime in the past couple of years, Tape Op ran a short piece by Allen Farmelo titled "Using Transformers to…
Above, a recently completed piece. It is built on one of two identical NOS cabinets that I pulled from a…
Above: The BRDCSTR, a two-stage vacuum-tube microphone preamp inspired by classic 1940s broadcast audio preamps. Single-ended design with a 6SJ7…
My latest microphone preamp design is completed and sounding very cool... The Old '76. The Old '76 is a novel…
Cassius #10; aka #10 in the the ongoing series of Fender Champ-derived guitar amps built into recycled 'found' vintage speaker…
This design project began with the goal of crafting an entire amplifier that echoed the form of a vacuum tube…
For my non-technical readers: a phono preamp is a device which does two basic things: 1) it equalizes the program…
As we discussed in previous posts, the Altec 438A is an audio compressor designed in the late 1950s primarily for…
The Leslie Model 51 is a single-speed, large Leslie unit with 2 amps, a 15" woofer, a rotating horn, and…