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Old 28th November 2001, 02:31 PM   #1
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hello.
did anybody build this preamplifier.
is realy no compromise?
is any beter diy project in the internet.

http://headwize.com/project/ciuff2_prj.htm

thanks
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Old 28th November 2001, 02:32 PM   #2
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Default pre

http://www.headwize.com/projects/ciuff2_prj.htm

here is another link
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Old 28th November 2001, 05:44 PM   #3
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Location: Columbia, SC
If you're looking for OTL headphone amplifiers, you might want to take a look at some of the ideas at http://www.tubecad.com. Broskie has at least four or five schematics--probably more--for OTL headphone amps. Various tubes are used, depending on the circuit, including one with paralleled 6922/6DJ8s for the output. It would give you an interesting basis for comparison.

Grey
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Old 28th November 2001, 05:49 PM   #4
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i would like to use this circuit for preamplifier
not for Headphone Amp.
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Old 28th November 2001, 11:31 PM   #5
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Wink Preamp?

Just put a 1 meg pot on your input before it gets to the driver tube on your amp if you are just looking for volume control. Unless you are needing a phono section. A CD player or tuner have high enough outputs that a volume control potentiometer is all that is needed to control the amplifier. It doesn't look like you are wanting to change the bass and treble.
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