Tube DIY Asylum

Hve built one - singing like a nightingale!

69.156.196.162

In Reply to: RE: "an engineer would be content..." posted by tube wrangler on June 29, 2008 at 17:32:07

HI.

Yes, less delivers more. I've proven it again, two years back.

As an experiment to test the value of the low low O/P power amp, I built a 2-stage 2x1W power amp. No NFB, no adjustment. Leak grid bias for the driver stage !!!!

Believe or not, sonically it blows away a costly brandname 2x100W dual-mono SS power amp (MOS-Fet powerstage), as well as a 2x6SN7 longtail driving 6V6GT PP power amp, custom built heavy-duty like a battleship by a tube guru. Driven directly by a audiophile grade CD transport/DAC, driving a pair of costly brandname 91-dB/W reference monitor.

This little David giant-amp killer performs beautifully at 'polite' SPL levels with polite type music. Even with the '2001 A Space Odyessy' movie overture soundtrack, its bass notes come out so much more details
with the 2x1W amp.

Listening is believing.

c-J

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