Which components are "stupid good"?


Which components, known to be outstanding in their category, have a performance to price differential such that they can truly be called "stupid good?"
pmboyd
First Sound pre amps are the most musical I've tried. Upgrade the pot resistors to Vishays, upgrade the capacitors and power supply when finances allow and you get pure magic.
eXemplar eXception SE-Line

can make a $100k sound system sound twice as good.
Vh audio cuTf VCaps ARE stupid good though not stupid cheap however possibly the greatest observable "improvement" I've experienced for dollars spent.