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Can this schematic work? 6N6P driver with 6C33C-B OTL

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1#
Koifarm 發表於 2008-1-19 22:42:36 | 只看該作者 回帖獎勵 |倒序瀏覽 |閱讀模式
I have a box full of 6n6p and 6c33c-b tubes. I saw a OTL design with 6c33c-b tubes but with a other driverstage. A nice driverstage i saw by triodedick. The ecc99 is almost compatible with the 6n6p tube. So i combined both schematics.
Who can tell me if this will work?

Orginal driver.



Orginal OTL .



New combination

2#
 樓主| Koifarm 發表於 2008-1-25 02:55:17 | 只看該作者
Are there no OTL specialist at this forum?

Or if anyone has different OTL schematics? please send me.

Schematics from brands as Graaf or Lamm are more then welcome.
3#
 樓主| Koifarm 發表於 2008-1-31 03:26:34 | 只看該作者
Here a update.



Design goals:

- Cancelling powerrail noise/hum
- Correct gain differrence between upper/lower outputstage
- Fixed bias between 200 and 250mA
- Simple power supply
- Use 6n6 and 6c33 tubes
- 20 Watt output at 8 ohm

The input SRPP stage has a 11 x gain this looks to low. But my input signal is 4 V.
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