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-   -   Kt88 Pp (http://www.diyaudio.com/forums/tubes-valves/135327-kt88-pp.html)

barossi 23rd December 2008 10:18 PM

Kt88 Pp
 
Hi,

did anyone build this nasty amp:

http://www.audiodesignguide.com/my/pp3a.gif

KR

Barossi

bigwill 23rd December 2008 10:25 PM

Cathode resistor on outputs looks far too low to me :hot:

DougL 24th December 2008 05:55 PM

I ran the output stage through Tube Cad PP Calculator.

Current per tube 95 mA
Plate Dissipation 27 W / 67% max

22V across the cathode resistor. 191 mA, 4.36 Watts, recommended bypass 332 uF.

Looks OK to me.

Doug


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