


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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Size: 10.5, Color: Black/Ivory
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Nice shoes
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Comfortable
Size: 9.5, Color: British Tan/Ivory
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Quality at affordable prices.
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Excellent quality, just like the picture
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