The McAlister Site say the cathode bias is no good. He said:
--Biasing: All my power amplifiers use a fixed bias system with adjustments on the top chassis. This is a simple, quick user friendly adjustment that is well explained in the operating procedure with each amplifier.
...With cathode biased amplifiers the speed and rise times are much slower due to the large value cathode resistor that is in series with the audio output. Further a large value electrolytic cap in parallel with this cathode resistor has to be used for a shunt AC path ground return and impedance reduction. Electrolytic capacitors in the signal path further degrade the sound quality.--
So, wonder what is the best form of make Bias ?
In the cathode, grid, anode or fixed Bias ?
Thankyou for your input, Gustavo
