The 1959 Ikegami-Tushin Limiter Inspired by the RCA BA6A

10 years ago

Reader S. Komiya recently contacted us with some information regarding the Ikegami-Tushin limiting amplifier, an RCA BA-6A inspired piece that…

An DIY Tube Mixer Project c.1954

10 years ago

Today's article scan, again via reader Bill W., was written by one John S. Carroll and originally appeared in RADIO…

A DIY Broadcast Limiter Project circa 1955

10 years ago

Courtesy of reader Bill W comes today's scan of a much more complex tube limiter project.  Herbert Hartmann penned this…

A Simple One-Tube Compressor Circuit c.1953

10 years ago

Reader Bill W recently sent us a few interesting ancient DIY audio projects that we had not seen before.  Today's…

The JVC 900 Digital Audio Mastering System of the early 1980s

10 years ago

Download the complete sales materials for the circa 1982 JVC 900 series of digital-audio-mastering products: DOWNLOAD: JVC_900_Digital_Audio_System Products covered, with…

P/S Video Vol. 7: “A Single Tool Cuts A Clear Path”: Online Now

10 years ago

For the seventh installment of the Preservation Sound video series, we examine how an unplanned encounter with a highly unusual…

2nd live radio show this wk: D E E P 8 0 s : 11.20.14 : 2A-6A EST 89.5 FM

10 years ago

How y'all doin on this frosty morn.   Soooo,,,  I'm on the air again tonight/early manana. 11.20.14 2AM -6AM EST…

Live Radio Show * 11.18.14 * WPKN 89.5 FM * LINK TO LISTEN

10 years ago

Update: this show has now aired, but it remains available to stream via this link.  Enjoy! C. How y'all doing…

UTC “R” Series universal replacement transformers of the 1940s/50s

10 years ago

While searching through my output transformer shelf for a suitable reverb-driver transformer for the basket-case Kalamazoo Reverb 12 I recently…

The Olmsted AC Custom Microphone Preamp

10 years ago

The Akai and Roberts reel-to-reels have circuitry that is largely derivative of the American Ampex machines of the same period,…