First Watt SIT 4 Class A

Marsoni

M251S

$4747.50

Get it in 3 business days with 1 day shipping. Friday, May 29

First Watt SIT 4 Class AThe SIT 4 is the First Watt power amplifier using the industrial grade Static Induction Transistors. It is preceded by the ground breaking SIT 1, 2, and 3 and follows their technical philosophy and construction. An important difference in the SIT 4 is the SIT device itself. The previous three designs used Silicon Carbide to make a custom vertical power Jfet with a low impedance Drain whose character nicely emulated a power Triode tube, but directly

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Reviewed in the United States on December 28, 2025