diyAudio - Kt88 Pp

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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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