schematics

A DIY tube mixing console; plans, schematics, methods

Some more interesting bits from AUDIO magazine c 1955:  plans and schematics for a radio station mixing console.   Very little…

13 years ago

Altec 436 Compressor: Taming the output level: part 2

In a previous post, we looked at the Altec 436 vari-mu tube compressor.  I built one of these a few…

13 years ago

Hi Fi Amplifier Schematics c. 1954

The Craftsmen C-500 power amplifier Today we have some hi-fi amplifiers from the mid 1950s to look at.  Many of…

13 years ago

Audio Engineering Magazine Pt 4: Schematics

Today we'll look at some of the more interesting audio-circuit plans and schematics from the first two years of Audio…

13 years ago

Altec 436 Compressor: Taming the Output Level

Ah the classic Altec 436C compressor (see here for previous coverage on PS dot com). Here's a fresh high-res scan…

14 years ago

makin’ it

What is goin on here !? The May 1979 issue of DOWNBEAT magazine has a short article on the subject…

14 years ago

Simple Tube Program EQ project

From the September 1947 issue of RADIOCRAFT magazine: an interesting 'response equalizer' project that looks to have great potential for…

14 years ago

Music Synthesizers in Popular Electronics 1972

Download a five-page article by David L. Heiserman on "Music Synthesizers And How They Work" from Popular Electronics magazine, February…

14 years ago