About
Collect and restore vintage audio equipment, amateur radio gear, and vintage test equipment, such as vacuum tube testers and signal generators.
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Reviews (6)
qty 4 RCA 3N128 (xref to NTE220) protective ring around the leads free shipping
Jul 19, 2017
3N128 High Frequency Small Signal MOSFET
Exact replacement for my Model 90652 SOLID-STATE DIPPER. The 3N128 is used as the front oscillator operating as a split-Colpitts circuit. The 3N128 can operate up to 250 MHz.

Nov 02, 2016
Tube Socket Test Adapter
I need for measuring values on 9-pin tubes such as 12AX7's. It states that it is 10 pin, fortunately pin #10 is in the center and can be removed.

Dec 10, 2019
Add to my collection of legacy audio devices
It was simply something that was looking for.