I am considering connecting a pair of MMGi's to the 4 Ohm outputs of a pair of Hammond 1642SE output transformers wired up with the 833-A radio station triode running on only 1000 Volts. Using older speakers this draws 120 ma plate current. Steve Gutenberg on youtube said he likes the .7's using only a 300B SET. But I think I will need something stronger.
Most people don't build DIY 833-A SETs and only a television evangelist could afford the WVIAC 833-A SET, but I have successfully built the 1000 Volt power supply with choke filtering and I have gotten the 10 Amp 10 Volt DC to work with, among other things a 4.5 Farad capacitor and pre-charger so the bridge rectifier doesn't go off like a cherry bomb when I power it up. But I love this amplifier and I use a transformer coupled 245 triode, the Stradivari of vacuum tubes, to drive the 833-A.
Since SET power seems to go further in sounding good, has anybody else tried this? I am going to visit a dealer next week and request trying MMGi's connected to this.
Most people don't build DIY 833-A SETs and only a television evangelist could afford the WVIAC 833-A SET, but I have successfully built the 1000 Volt power supply with choke filtering and I have gotten the 10 Amp 10 Volt DC to work with, among other things a 4.5 Farad capacitor and pre-charger so the bridge rectifier doesn't go off like a cherry bomb when I power it up. But I love this amplifier and I use a transformer coupled 245 triode, the Stradivari of vacuum tubes, to drive the 833-A.
Since SET power seems to go further in sounding good, has anybody else tried this? I am going to visit a dealer next week and request trying MMGi's connected to this.