NOTE: Tubes like the ones shown above have White T-series logo printed on the back. Others have T-Series Yellow Sticker on the back . CLICK LARGER PHOTO TO SEE OTHER VARIATIONS.

Matched Pairs, Like New BRIMAR T-Series 6060, Premium 12AT7 Black Plate Tubes. BVA Logo, Made in England. These British made black plate 12AT7's are uncommon these days. These T(trust)- Series tubes have etched Brimar England date codes. Lightly used. These little known 12AT7's are surprisingly good. This particular batch is ex-Nato base stock from Europe. All tubes test close to or > NOS specs. Printing may not be perfect on some tubes. Chalky printing from that era comes off easily due to handling/testing etc.

Pairs tested and matched on Top of the Line Calibrated Hickok 580 Lab Grade Tester. 100% is roughly 5500 mmhos on Hickok 580.

Matched Pair  = $50.

• Matched Pairs, Like New BRIMAR T-Series 6060, Premium 12AT7 Black Plates Tubes.