[sdiy] Tube amp problem

[René Schmitz]

At 10:23 06.05.02 -0700, eric b wrote:

>This audio circuit does NOT load the tube for optimal
>efficiency--audio power amps always load the tube
>with about 2-3 times the plate resistance, to assure
>lowest distortion (it is a compromise between linearity and
>efficiency). 

But this is just for triodes, right? My old Telefunken databook 
tells me that Rout shall be 2k for a single EL34 in class A SE, 
while saying that the plate resistance is 15k. 
(Ua, Ug2 = 265V, Ia =100mA, Ug1 =-13.5V)

Cheers,
 René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159