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NotInTheMafia 13th December 2002 04:28 AM

schematics for a EL509/ EL519 PP amp needed
 
Hello,

I was origionaly going to biuld a stereo SE el509 amp, but decided that i would like to build a PP amp instead. I can't seem to find ny el509 pp schematics. Any one know where i can find one? I dont want anything toooo complicated, i dont need ballanced inputs, and dont want OTL schematics, as i only have 4 of these tubes.

--Tom

dhaen 13th December 2002 09:31 AM

Try searching also for schematic +

PL509
EL519
EL519
KT90

All are similar,

Colt45 13th December 2002 01:06 PM

6P45S is pretty close too.

Bas Horneman 13th December 2002 01:07 PM

Hifi News has got one...
 
designed by Tim de Para... I can scan it for you if you like..

dhaen 13th December 2002 01:14 PM

Bas,

Is that the "enhanced triode" one? Where the signal is input to G2?

Cheers,

Bas Horneman 13th December 2002 01:15 PM

Yes, but I just realized ....that it is a SE amp and not PP...

:-(

Colt45 13th December 2002 01:16 PM

I searched around, and I can only seem to find SE

If I get bored enough I might draw up a AB scheme after school ;)

JohnR 13th December 2002 01:21 PM

There's one in Bruce Rozenblit's second book... if you don't mind a 700V plate supply...!

JohnR

Brett 13th December 2002 01:32 PM

Quote:

Originally posted by dhaen
Try searching also for schematic +

PL509
EL519
EL519
KT90

All are similar,

I'm not sure a circuit for the KT90 will work well with the EL519 or vice versa as they are not similar tubes according to EveAnna Manley.

http://db.audioasylum.com/cgi/m.pl?f...ey&r=&session=

Just FYI

I'd like to try some KT90s one day. They have an excellent reputation and are $US140/matched quad

dhaen 13th December 2002 03:07 PM

Quote:

I'm not sure a circuit for the KT90 will work well with the EL519 or vice versa as they are not similar tubes according to EveAnna Manley.
Thanks Brett, I stand corrected.
Now how did I get that misconception:xeye:


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