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Re: ICA AC Companion Radio [message #89650 is a reply to message #89647] Tue, 29 January 2019 16:19 Go to previous messageGo to previous message
gofar99 is currently offline  gofar99
Messages: 1903
Registered: May 2010
Location: Southern Arizona
Illuminati (5th Degree)
Hi Wayne, thanks for looking. I have not found anything except the one site with any info on the radio. Even the long defunct company's site doen't show it. Not in Rider either. I have started to trace out the circuit. It looks pretty typical of the vintage. I can't be sure at this point, but it appears to have a regenerative first stage with grid leak detector and an audio amplifier stage. At first I thought it was a TRF with regen, but the use of an actual audio transformer is a bit unusual. Odd AC hook up. The case is not connected electrically to the line, but the guts are. It uses insulated knobs to cover mounting bolts. I will have to alter that to keep from having live juice on the phones. Nothing like a tingle between the ears to make your day. Rolling Eyes More to follow as I disassemble it.

Good Listening
Bruce
 
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