UP FOR YOUR CONSIDERATION IS A
Vintage and seldom seen The W2AZL Converter 2 Meter Converter - RARE-Vintage 417A/404/396 Tubes - on and running in pics.
here is some info I found:
The output of the converter fed a 20 meter receiver. The design and the construction information was supplied by W2AZL.
The construction information appeared in the December 1959 QST and I believe later in the ARRL Handbook.
This converter with schematic and layout provided for home construction was \"State of the Art\" at the time in terms of overall performance and was considered \"the standard\" for serious weak signal work on 2 meters. It used a couple of somewhat rare (at the time) 417A low noise triode tubes for the RF stages. This tube is still available but at a fairly high cost and is used by audiophiles. The mixer tube is a 404 and the oscillator a 396. When properly constructed the converter noise figure could be adjusted to less that 2 dB.
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