What tetrodes do you mean? The Russian tetrodes?
My YL1056 amp is better then -40dB and so is the 4CX3000A amp.
The YL1056 is better then -58dB with three tones in tv translators,
measured in accordance with specification FTZ 176 Pfl 2 of
the German Telekom with distortion-free input signal.
73
Peter
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Kevin Stover
The most expensive part of any SS amp is NOT the finals themselves it's the
LPF that will take 1500 watts and keep harmonics leagl (-43db HF, -60dB 6m).
That's not IM3. Name the amp that hits an IM3 of -40. The 8877 will come
close, the Russian triodes won't, none of the tetrodes will do it.
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