Notes:
1) At 20Hz, it is seen that using Sovtek 6550 along with my new MT and OPT, the slightly overloaded but stable output
power is more than 7.6W@20Hz/6R. Observe that the amplifier has been loaded with 6 Ohm only which in fact seems to
be a better universal load choice with regard to the most commonly used speaker impedances (4-8R). In this case it was
however also chosen to be certain that my new MT would be able to handle the increased heater as well as supply current.
Correct voltages are always only supplied for standard Williamson configuration but the discrepancies in this and future
MT versions will be very low (430Vdc@170mA, 6.1Vac@Heater in this case).
2) At 1kHz, the maximum power output is seen to be as much as 31W@6Ohm. It has however also been verified that the
amplifier supplies approximateley 25W into both 4 and 8 Ohms. This is while keeping the bias constant, thus some high
power 30% Class AB, which is a comforting fact while keeping the frequency dependent loudspeaker impedance in mind.
3) At 20kHz the rise time is seen to be approximately the same as in the standard Williamson case(!) which means a power
response of more than 10W@51kHz/6R (before "break up").