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Old 12th February 2006, 05:03 PM   #1
diyAudio Member
Join Date: Sep 2005
Lightbulb rauch audio dvt250s schematic

hi guys im struggling to find a rauch dvt250s schematic,

please if anyone has a copy i would love one!

thanks very much
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Old 19th April 2007, 01:20 AM   #2
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Join Date: Oct 2005
Location: London E5
Hi - Re. DVT250S schematic:
Try Ben Duncan Research.
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Old 19th April 2007, 06:29 AM   #3
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Join Date: Sep 2005
Thank you,

Think you actually have one of my dvt50's hope its ok, they are super amps! Thank you

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Old 7th May 2007, 03:05 AM   #4
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Join Date: Oct 2005
Location: London E5
YUP - and it has now been modified...

Quite a quantum leap in performance over an already very impressive sounding amplifier.

I'm currently getting to grips with the circuit in PSpice and have managed to get most of the models together incl. some kindly uploaded onto this forum.

It looks like that in standard form the DVT's in their last incarnation (there's got to be at least 4mk's in their production life), will have distortion figures in the order of 0.05% with the 'ear freindly' 2nd being the most dominant.
Now this can be improved to something like less than 0.02% at any power level and down to 4Ohm for DVT-50 and 2Ohm for DVT-250. But one thing is figures - quite another what it actually does sound like - in real life - with real loads... and here I can only suggest that: Rauch still excells...

This is so remarcable that it has been possible to secure quite a number of upgrades /rebuilds on the back of the first modified DVT-50S amp, which most probably came from U.

So all good fun here...
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