NOTE: Similar to Item 639 and 638.Matched Pair Rare Lightly Used, Like New Early 1960s Brimar BVA 6SL7GTY. Square Getter and Golden Brown Micanol Base. STC Footscray production. In generic white boxes from bulk. One of the most desirable
6SL7 type tubes.
Tested and matched on Top of the Line Calibrated
Hickok 580 Lab Grade Tester recently calibrated by late Chris Haedt. 65% = 1000 mmhos on this tester for 6SL7.
642 - Brimar STC Footscray MP Like New Early 1960s 6SL7GTY SQ Getter Brown Micanol Base 1950-1800, 1900-1825 mmhos.
Matched Pair = $110.