‘Matched’ refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. ‘Matched’ I consider to be within 10%. Vacuum Tubes. ‘Closely Matched’ I consider to be within about 5%.
Item Tag: 6bq5
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Pair 6BQ5 Raytheon 2 getter posts Vacuum Tubes, TV-7D Tested – will combine ship
Vacuum Tubes. ‘Matched’ refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. ‘Matched’ I consider to be within 10%. Clean tubes will radiate heat better & operate cooler.
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Matched Pair 6BQ5 GE unbranded Vacuum Tubes, TV-7D Tested – will combine ship
‘Matched’ refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. ‘Matched’ I consider to be within 10%. Vacuum Tubes. Matched Pair. ‘Closely Matched’ I consider to be within about 5%.
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10 Sylvania 6BQ5 EL84 Vacuum Tubes 2 GE EL84 2 RCA EL84
TOTAL 14 ALL TEST STRONG -14 TOTAL 1O SYL, 2 RCA, AND 2 GE
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1960’s Japan 6BQ5 Fat Round Plate Matched Pair Test Strong Toshiba Matsushita
Test 8600 (36.8 ma) & 8800 (38.3 ma) where 5500 is good at 250-V in a Triplett 3444/ Westmore 501.