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Title: Modified D-104 Preamp Post by: WA1LGQ on November 06, 2005, 02:51:19 PM This looks like a good D-104 mic base stand preamp alternative. From N9WB.........http://www.qsl.net/hcara/D-104.htm
Title: Re: Modified D-104 Preamp Post by: W3NP on November 06, 2005, 08:57:29 PM I built up one of these in a non-amplified D104 a few years back. It works quite well with some older gear that didn't sound too good with a straight 104 mic - like Drake, Heath, etc. I used a piece of perf board to mount the components on.
Title: Re: Modified D-104 Preamp Post by: K6JEK on November 06, 2005, 11:14:42 PM Kachunk? Ever look at the output of an amplified D-104 on a scope? The PTT-ON spike is truly impressive. Is there any reason to believe this circuit is any better? AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Jon, K6JEK |