• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

12SN7 vs 7N7 bs 6SN7

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Joined 2008
jackinnj said:
I webbed somewhere that the 12V version was somewhat less capable than the 7SN and 6SN versions. As this somewhat vertically challenged version seems to fit the architectural bill for the Impasse project, I wonder if anyone could comment on its merits in comparison to its brethren.
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Don't worry and go ahead!
There is no systematic way to state that a 6SN7 is better than its 12SN7 variant (or the contrary) just because of the filament voltage, especially because they are indirectly heated.
More likely you will find some differences between a 6SN7GT and a 6SN7GTB .....


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Bandersnatch

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Joined 2003
hey-Hey!!!,
Ratings aside, it seems the older GT by Sylvania are a bit more expensive than the modern GTB variants. Go for the 7N7/14N7; they'll be much cheaper and you can choose between internals of the older GT style or the newer GTB style. ~$5 for a 14N7 compared to nutsy, sky's the limit for 6SN7's...
cheers,
Douglas
 
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