Baumgart The Tubehammer Preamp

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.

Baumgart The Tubehammer Preamp

Postby Manfred » 29 Nov 2016, 23:44

I had got a German 19" case preamp in the last Millenium and It sounds amazing good as far as I can remember.
There was a double foot switch (1/4" stereo jack) for switching the bypass and to toogle between two gain values.
The Amp was createted as add-on for single channel amps to extend this to a two channel one.
I guess it was manufactured in the early eighties, but I sold it a long time ago.
I traced the Amp and redrawed later.
No I found the schematic in my schematic library.
Here is the schematic:

tubehammerPre1Schematic.JPG


tubehammerPre2Schematic.JPG


tubehammerNT_Schematic.JPG
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For this message the author Manfred has received thanks: 4
karul (30 Nov 2016, 00:56), ppluis0 (30 Nov 2016, 01:56), rcustoms (05 Dec 2016, 00:41), twangcat (14 Dec 2016, 01:51)
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