(image source) Click this link to stream a special two-hour Preservation Sound Radio show focusing on: Psychedelic Soul. (show starts…
Above: prototype of a novel design for an economical all-tube headphone amplifier. I have been hunting for a way to…
I tried to imagine the sort of custom instrument preamp that a top session player might have brought to a…
I've serviced and modified many Altec 43X-series compressors over the years, but I think this may be only the 2nd…
I've been developing an all-tube rotary-knob DJ console for the soundsystem at Berlinetta Brewing. One idea I decided to experiment…
I was recently given this circa 1965 Fairchild model 663 optical compressor module. This unit was sold as part of…
Detroit Box #001 featuring UTC Ouncer Transformer and O-17 magnetic shield Last year I found myself with an excess of…
I recently needed a pair of working Weston 862s. I only had one busted one, and a pair of 861s…
This month's P/S Radio show has already aired, but you can listen to the program via this archive link thru…
PS dot com reader Frank B sent in these pics of his SpectraSonics console. This 6x2 board was custom built…