There is a little sag built into any practical power supply. At full VA rating (actual volt-amps, AC input, with a DC load) the regulation of Antek toroids is 88%. Drops to about 80% when DC output watts equals the VA rating - which is about 60% overload. You can get them tighter, but they cost. ANYBODY’s EI will be worse, it’s just the nature of the beast.
Youd have to be dreaming to get an amp from the store with 3 pair of 2N3055 per channel. Of course one could build it. Mine only ran +/-27V supply but did 100+W at 2 ohms. It was only a monoblock, built as a demo vehicle, to prove 3055‘s with 3MHz TIP drivers, didn’t have to sound as bad as the Dyna ST120.
Youd have to be dreaming to get an amp from the store with 3 pair of 2N3055 per channel. Of course one could build it. Mine only ran +/-27V supply but did 100+W at 2 ohms. It was only a monoblock, built as a demo vehicle, to prove 3055‘s with 3MHz TIP drivers, didn’t have to sound as bad as the Dyna ST120.
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