From the October 1953 edition of RADIO ELECTRONICS comes this report on an exceptionally powerful EQ circuit as-found in the…
download the 4pp circa 1950 Gray Research sales flier for the model 103-LP Transcription Arm and the model 602 disc…
Apologies for the poor image quiality; these came from the research department of a long-gone British broadcast-gear-manufacturer via some dampish…
Today: just a few things that caught my eye from '71 -'73: the 'new' black-cosmetic version of the Urei 1176,…
Download the original 2pp product sheets for the 1978 ADR E900 and E950 equalizers: DOWNLOAD: ADR_Eqs_1978 Last ADR thing for…
Download the 2PP spec-sheet for the very obscure 360 systems Model 2800 programmable 4-band parametric EQ: DOWNLOAD: 360_EQ Four channels,…
Above: Gately's Stereo Briefcase Mixer circa 1970. Gately Electronics was a Pennsylvania-based pro-audio manufacturing and importation/ distribution operation which seems…
Today: some random bits+bobs of Sound-For-Film technology of the early 1950s. Above: the All-New JBL Theatre Sound Systems, which claim…
Download the complete twelve-page 1977 Pultec outboard audio equipment catalog: DOWNLOAD: Pultec-1977_catalog Units covered, with text, specs, and photos, include:…
Above, a 'distortionless' equalizer circuit circa 1961 as designed by one Carlos Moura. Separate bass and treble boost functions (2…