counter for wordpress

Pair 6AN8A RCA Vacuum Tubes, Triplett 3444 Tested – will combine shipping

By |July 24th, 2026|

New Triplett chart =4000/2100 & 6200/3300 micromhos. Vacuum Tubes. Each is tested for emission, dynamic mutual conductance, shorts, & gas as applicable. 'Matched' refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes.

Matched Pair 6AN8A Westinghouse NOS Tubes, Triplett 3444 Tested – will combine

By |July 24th, 2026|

New Triplett chart =4000/2100 & 6200/3300 micromhos. Matched Pair. 'Matched' I consider to be within 10%. 'Closely Matched' I consider to be within about 5%. 'Matched' refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes.