The special Heyboer Guinevere power TX would be good for a monoblock. It would be even better than the St.70 power iron since its middle tap would yeild under 300V of B+ and therefore alow more conservative operation of the finals.
I had suggested a stereo chassis for no particular reason,and I do prefer the practice of building single channel amps. regards, Douglas
colinhester Messages: 1349 Registered: May 2009 Location: NE Arkansas
Illuminati (3rd Degree)
Gotta do something with that iron, so I'm going monoblocks. Just got back from Columbus with a pair of A7 cabs and all the goodies. I'll need a week or so to bring these up to speed and then I'm ready to build.....Colin
The TX in question has 100 mA delivery from any pair of HV taps. This is comfortable for any of the topologies yet discussed in single channel amps. Stereo is just too much, by a factor of 2. regards, Douglas
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