NOTE: This is the last of these tubes. You are unlikely to see these again in Brand New NOS/NIB condition like these. LIMIT 4 PER CUSTOMER.Brand New, 1960s BRIMAR 13D5 Industrial 12AU7 Long Plate tubes. Brimar STC Etched Date codes on the glass. Made in England. Real fine 12AU7 tubes and one of our favorites.
Tested and matched on Top of the Line Calibrated
Hickok 580 Lab Grade Tester recently calibrated by late Chris Haedt. Minimum 65% = 1400 mmhos for 12AU7 on this tester.
Price = $60 Per Tube. Select 2 for a Matched Pair for 4 for a Matched Quad. Even odd number of tubes will be matched.
