2A3 SETH S-240 Monoblock
Parts List beauty of economy

What strikes you right off the bat about this design is the MINIMAL parts per monoblock. This is simplicity exemplified, especially for a push-pull design. Parts cost is very reasonable with sonics a major reward. Possible subs might be Tantalum resistors (keeping Mills) and your coupling cap of choice as long as you are willing to part with the ducats for a 6.8uf! Go for the BG WKZ if you can find them and you have the funds.

But the heart and soul of this beast is the EXCELLENT MagneQuest "Peerless" S-240-A output iron, this featuring the all Permalloy version (the M6 is no slouch either). Ditto for the MQ EXO-173 - This is simply an excellent phase splitting device. And while the Hammond 300 series PT is very nice and much better than the 200 series, the MagneQuest MQ MQR-060 is a helluva power trans and step up in capability. Throw in some custom designed MQ 04-002 chokes for the PS and things are looking even better.

And yes, this is a stellar amp; Jeff seemed to be REALLY impressed with the low end punch, imaging detail without bloat, and speed, all without a loss of musicality - but he had to admit that adding the MQ BCP16 NiGC grid choke put some more icing on the cake.

And right now, Mikey is offering the SETH IRON PACKAGE deal with cost savings for the whole iron option from MagneQuest.

JFL & kh

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