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Brimar CV4024 12AT7WA - M. Pairs MINT NOS NIB 1965-66 Black Plate Military Stock ECC81/12AT7 - SAME AS Brimar 6060
Brimar - 1960s Black Plate CV4024 12AT7WA  Military Stock ECC81/12AT7

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Matched Pair = $90.00
Stock Details: Matched Pairs as Shown Available

Quantity in Stock:(Out of Stock)
Product Code: 940

Description Technical Specs
  • These tubes have identical construction to Brimar 6060 T Series Tubes (Item 10). Sonically we cannot tell the difference. Very likely, civilian version of this Valve was marketed as Brimar 6060 with T(Trust) Series Logo. Both of these tubes have very particular black plate construction with copper grid posts, different from the later production Brimars.
  • Some of the boxes are slightly tarnished. Tubes are pristine otherwise.
  • Rubber stock stamp with dates 1967-68 outside the boxes is not the date code. 
Brand New, MINT NOS NIB 1965-66 Brimar Military Production CV4024 12AT7WA tubes with Black Plates and copper posts. STC Production, Made in England. Very desirable 12AT7/ECC81 type tube for both Audio and Guitar applications.

Tested and matched on Hickok 752, just recently calibrated and modified by Hickok expert to all Solid State to eliminate drift. However, on average 12AT7 measures lower on this 752 than it should.

For comparison, 12AT7 measuring 4400-4400 on calibrated Hickok 600 measures 3300-3300 mmhos on this 752. Average new 12AT7 on Hickok 600 is 4000 mmhos. In other words, actual test scores are higher than what we have noted on the tube boxes.

Matched Pair = $90

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