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Original Message
I've been using ARC hybrids
Posted by E-Stat on February 19, 2017 at 05:37:38:
for over twenty years. From my perspective, they provide the most cost effective combination of high gain and low noise while using triodes in the circuit. I use a mid output MC cartridge and like the ability to drive it with a standard two stage design while still being dead quiet.
At the top end of the line, however, Audio Research employs heroic designs that address the noise issue, but end up with massive dual mono power supplies and output stages. My single box SP20 uses four 6H30s while the REF10 / REF Phono 3 combo uses fourteen (in the signal path alone) in a four chassis package.