TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched
TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched

TWO Amperex 7591A Tubes / Amplitrex Tested / 90% Gm / Within 1% Gm Matched

USD 189.00 USD
SKU: oBtwR4EQ
Brand: Amperex
Condition: Used
Tags: 7591 7591A 7591A Amperex United States Vacuum Tube
Categories: Vintage Electronics

Specifications

BrandAmperex
TypeVacuum Tube
Model7591 7591A
Country Of OriginUnited States

TWO Amperex 7591A vacuum tubes. Tested on Amplitrex AT-1000 tube tester (fixed bias mode). Gm matched to within 1%. Tubes test at 9270 and 9320 where 6630 micromhos is pass/fail grade. 90.8% / 91.3% gm mutual conductance.

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