Triode #1 – Plate Current = 1.00mA Rp = 60640 Gm = 1581 Mu = 95.9 Corners = PASS. Triode #2 – Plate Current = 1.07mA Rp = 61426 Gm = 1607 Mu = 98.7 Corners = PASS. 17mm long grey plates, date code of “322435-1” indicating production in August, 1954.
Item Tag: 12AX7 TUNGSOL
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3 New In Box Gain Matched Tung-Sol 12AX7 Reissue Preamp Tubes
New In Factory Box Gain Matched Trio (3 tubes) of Tung-Sol 12AX7 Reissue Preamp Vacuum Tubes Maxi-Preamp 2 and Hickok Tested. Closely matched for Gain within ~ 2% ! Tubes in test photos is actual tube you will receive.
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1960s 12AX7A ECC83 Tung-Sol Tube Gray Long Plate O Getter TV7 Test Good TS7-3
1960’s 12AX7A / ECC83 Tung-Sol Tube. Made In USA. Triode:1 Tested Good : 41/ 32 Baseline. Triode: 2 Tested Good: 43/ 32 Baseline. Top O Getter. NOS tubes fall within the GM range published in the RCA Receiving Tube Manual; variation above/below average is normal.
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Tung-Sol ECC803s 12AX7 Gold Pin Preamp Vacuum Tube
The Tung-Sol ECC803s is a low noise version of the standard Tung-Sol 12AX7. Warm in character with lots detail, this tube is perfect for any hi-fi or musical instrument amp out there. We really like it for microphone preamp / effects applications. Compare with other tubes here.
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5751 (Sub for 12AX7) NOS LEGENDARY TUNG-SOL U.S.A. LONG-PLATE TUBE D-GETTER 1964
5751 (Substitute for 12AX7 / ECC83) SINGLE TUBE. 1964 TUNG-SOL 5751 MADE IN USA. THE ORIGINAL MADE IN USA TUNG-SOL 5751. Treat yourself to the Best! 1964 audio double-triodes are no different! REAL LEGENDARY 1964.
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1950s 12AX7 ECC83 Tung-Sol Tube Black Plate Square Getter TV7 Test Good TS7-14
1950’s 12AX7 / ECC83 Tung-Sol Tube. Made In USA. Triode:1 Tested Good : 37/ 32 Baseline. Triode: 2 Tested Good: 38/ 32 Baseline. 12AX7 Minimum Range: 32. 12AX7 Nos Range 45 +. Top Square Getter.
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Tung-Sol 12AX7 / ECC83 Premium high gain Twin Triode
TungSol 12AX7 is not the highest gain tube. The right amount of balance and gain gives you good note separation instead. For replacing any 12AX7 tube, TugnSol 12AX7 is our go-to choice.
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HIGH BALANCED GAIN (96.8, 96.5) TUNG-SOL USA 12AX7 TUBE SHORT GREY PLATE SQUARE
While performing an audio tap test on the Maxi Preamp through a guitar amp Triode A tested excellent when tapped, Triode B tested excellent when tapped. Tester 12AX7 Expected Gain (Mu) value = 92. 12AX7 tubes have a center design target of 1600Gm.