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previous: Doc That's interesting. Are your pedal ... -- 7/8/1999 7:30 PM

Re: Old Tube TV--Salvage oppurtunities

7/8/1999 8:32 PM

Farrow

Re: Old Tube TV--Salvage oppurtunities Actually, I have a few different designs -- but the one I use in my rig is extremely simple. It's a pentode set up as a voltage amp, with the screen tied to the plate load resistor through a 1M linear pot. Then there's a 1M audio pot off the plate as a master volume control. A "Brilliance" switch selects between three different coupling caps on the output. So it's not much help as a buffer (fairly high Zout) but it's killer as a preamp for overdriving your tube amp.     The 6AK5 isn't really remarkable-sounding. It's really more a low-watt power tube and it wouldn't be my 1st choice as a preamp.     I like the 6AG5 -- it's pretty raunchy. The sharp-cutoff pentodes are a lot dirtier sounding than some of the remote-cutoff guys. I'll dig up my notes later on...         Farrow     http://surf.to/pharaohamps

 

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Bill Costello In the old days when we wished to d... -- 7/9/1999 2:52 AM