April 24, 2024
2 vintage Westinghouse 7591 tubes -tested new-matched-
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2 vintage Westinghouse 7591 tubes -tested new-matched- pair of westinghouse (labeled lowrey) 7591 tubes with matching eia/date codes of 337 213 (year 1962 week 13) matched transconductance and current draw tested on my hickok 539c mutual conductance tester for the minimum for this type is 1040 - no gas, no shorts, excellent on life test tested like new @ 11250 49madc & 11250 49.5madc very nice matched tubes
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