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Old 22nd March 2009, 05:42 PM   #1
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Join Date: Aug 2004
Location: Italy
Default where to find 5998 ?


I am considering to make a headphone OTL amplifier - one stage only-
for high impedence type like Shennaiser.
I have thinked, why not a basic 5998 ( 1/2 for channel) in common cathode mode ( like 1930 )?
Eventually, I can place a chocke load, no? ( only if indispensable)

A fast research in e-bay say nothing, zero for 5998!
Is it so rare?

every comment will be appreciate,
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Old 22nd March 2009, 05:49 PM   #2
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Location: West Virginia panhandle
Look for 7236. Same tube with computer ratings. I got several from Ebay but it was a few years ago.
Tubelab, it's 5 year mission. To explore strange new tubes, to seek out new circuits and topologies, to boldly go where no tube has gone before......
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Old 22nd March 2009, 06:12 PM   #3
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Oh, very appreciate suggestion, master!

time to study the datasheet, but it looks very good!

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