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what driver tube to use when running PP Triode 6AQ5s?

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Posted on January 11, 2017 at 11:35:42
bcguitar
Audiophile

Posts: 1328
Location: Maryland
Joined: March 2, 2005
 I know a lot of people like triode connected 6V6 so I am doing 6AQ5s but what cheap driver would be good?

 

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RE: what driver tube to use when running PP Triode 6AQ5s?, posted on January 11, 2017 at 17:18:52
Eli Duttman
Audiophile

Posts: 10455
Location: Monroe Township, NJ
Joined: March 31, 2000



The key difference between the 'AQ5 and 6V6 is g2 fragility. Use a higher value resistance in connecting g2 to the plate and all will be well.

I used the 12AT7 in "El Cheapo" as the driver and it is FINE. :>D


Eli D.

 

RE: what driver tube to use when running PP Triode 6AQ5s?, posted on January 11, 2017 at 15:30:45
sony6060
Audiophile

Posts: 1465
Location: USA
Joined: August 8, 2014



Here is a triode PPP 6V6 I am building.

 

RE: what driver tube to use when running PP Triode 6AQ5s?, posted on January 11, 2017 at 12:58:42
sony6060
Audiophile

Posts: 1465
Location: USA
Joined: August 8, 2014
 I like USA manufactured Raytheon 6CG7, but that lower gain tube needs a preamp. I use 1/2 a section of another Raytheon 6CG7 as a preamp. If using just one driver/phase splitter only, I would use a 12AT7. It has enough gain.

 

RE: what driver tube to use when running PP Triode 6AQ5s?, posted on January 11, 2017 at 13:06:16
bcguitar
Audiophile

Posts: 1328
Location: Maryland
Joined: March 2, 2005
 yea, I plan to use a preamp as the 6aq5 amp would just be a power amp

 

RE: what driver tube to use when running PP Triode 6AQ5s?, posted on January 11, 2017 at 13:34:38
sony6060
Audiophile

Posts: 1465
Location: USA
Joined: August 8, 2014
 You cannot beat USA manufactured Raytheon 6CG7 black plate, but are rare & almost all used are unbalanced due to hard use in TV sets. An alternate are Sylvania 6SN7GTA. The Sylvania have a hotter high frequency response, but extremely clear sounding vs other 6SN7s.

Only 12AT7s I recommend are Sylvania 12AT7 triple mica grey plate or for a more neutral sound are Tung Sol 12AT7 black plate. Some are noisy, but quiet Tung Sol stay quiet.

 

Thanks to you and Eli D! NT, posted on January 11, 2017 at 17:46:23
bcguitar
Audiophile

Posts: 1328
Location: Maryland
Joined: March 2, 2005
 .

 

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