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Technics OTL - a honest performer

77.43.10.3

Posted on November 6, 2009 at 03:53:27
6AS7_6SN7
Audiophile

Posts: 98
Joined: September 10, 2009



The Japanese engineers of Technics had studied a peculiar OTL type that, to my limited knowledge, has not been mentioned in this forum in recent times.
I have revisited the original topology (see schematic, where the tube count is the same as the last posted "Modified Futterman").
The overall feedback in this case is 6 dB.
Simulated spectra will follow.

Best Regards
Luca Cellai

ecc230

Spectrum @ 1750mA peak 8 Ohm, posted on November 6, 2009 at 03:58:20
6AS7_6SN7
Audiophile

Posts: 98
Joined: September 10, 2009



Spectrum @ 1750mA peak 8 Ohm
ecc230

Spectrum @ 1400 mA peak 8 Ohm, posted on November 6, 2009 at 03:57:33
6AS7_6SN7
Audiophile

Posts: 98
Joined: September 10, 2009



Spectrum @ 1400 mA peak 8 Ohm
ecc230

Spectrum @ 1050 mA peak 8 Ohm, posted on November 6, 2009 at 03:56:45
6AS7_6SN7
Audiophile

Posts: 98
Joined: September 10, 2009



Spectrum @ 1050 mA peak 8 Ohm
ecc230

Spectrum @ 700 mA peak 8 Ohm, posted on November 6, 2009 at 03:55:39
6AS7_6SN7
Audiophile

Posts: 98
Joined: September 10, 2009



Spectrum @ 700 mA peak 8 Ohm
ecc230

Spectrum @ 350 mA peak 8 Ohm, posted on November 6, 2009 at 03:54:51
6AS7_6SN7
Audiophile

Posts: 98
Joined: September 10, 2009



Spectrum @ 350 mA peak 8 Ohm
ecc230

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