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.
Item Tag: Tung-Sol
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1960s 12AX7 ECC83 Tung-Sol Tube Gray Long Plate O Getter TV7 Test NOS TS7-10
1960’s 12AX7 / ECC83 GAP/R Computor Tube. Made In USA. Triode:1 Tested NOS : 45/ 32 Baseline. Triode: 2 Tested NOS: 45/ 32 Baseline. 12AX7 Minimum Range: 32. 12AX7 Nos Range 45 +. Top O Getter.
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12AX7 TUNG SOL 17MM GREY PLATE VINTAGE AUDIO TUBE (1958) *eTRACER* #12C38
Triode #1 – Plate Current = 0.82mA Rp = 70078 Gm = 1333 Mu = 92.4 Corners = PASS. Triode #2 – Plate Current = 0.92mA Rp = 73808 Gm = 1274 Mu = 94.0 Corners = PASS. 17mm long grey plates, date code of “3225850-1” indicates production in December, 1958.
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Strong Motorola by TUNG-SOL Long Gray Plate Angled D Getter 12AX7 / ECC83 Tube
Strong Motorola by TUNG-SOL Long Gray Plate Angled D (Foil w 2 dimples) Getter 12AX7 / ECC83 Tube. Great Sounding Tube. Tube passed ALL tests. MINIMUM reading is 70%, NEW (NOS) reading is 100%+ and MAX reading is 130%.
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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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1960 Tung-Sol 12AX7 (ECC83) Tube – Hickok TV7B tests @ 48/43, Min:32/32
(Triode#1 / Triode#2). type 12AX7 vacuum tube. Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance (Gm) type tube tester. One tube,circa 1960, USA made by Tung-Sol . Tube features 17mm-Gray-Ladder-plates and a top-mounted ‘rectangular’ getter construction.