A Top Choice for High-gain Guitar Amps The Tung-Sol 12AX7 is a premium dual-triode preamp tube that’s tailor-made for high-gain guitar amplifiers. This upgraded reissue of a vintage NOS Tung-Sol 12AX7 yields you superb linearity with a dynamic, three-dimensional sound. Many guitar techs here at Sweetwater prefer the Tung-Sol 12AX7 for re-tubing and upgrading guitar amps; however, many of our customers have used them in their hi-fi equipment as well. If you’re searching for a musical-sounding preamp tube with ultra-low microphonics, you owe it to yourself to check out the Tung-Sol 12AX7.
Item Category: Vintage Electronics
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12AX7 ECC83 Tung Sol Tubes Ribbed Short Plate NOS Matched Pair. TV7 Test. E-1&2.
12AX7 / ECC83 Tung-Sol Tubes. Made In Russia. 12AX7 Minimum Range: 32. 12AX7 Nos Range 45 +. No universal test result defines NOS. Ribbed Short Plate. NOS tubes fall within the GM range published in the RCA Receiving Tube Manual; variation above/below average is normal.
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TUNGSOL 12AX7/ECC83 Long Black Plate Made in USA Amplitrex Tested Qty 1Pc
Prized for its rich harmonic detail and legendary “sweet” tone, this tube is supplied in a clean white protective box and has been precision characterized on the Amplitrex AT1000. Origin: Made in USATesting: Amplitrex AT1000.
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Tung-Sol 12AX7 Vintage Long Plate Slant Square Getter Audio Tubes Super Strong
tester where is70 considered good tube 99/99 100/100 96/96 please view all pictures closely before buying pictures also part of describe item condition please have any questions before
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2 x JTL-5751 (12ax7) Tung-Sol Tubes*D-getter*Very Strong Matched Pair*#6
2 x JTL-5751(12ax7) Tung-Sol Tubes. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. What were your tubes tested at?. Bogey(100%) = 1200/1200 @ 1.2 & 1.2 mA +/- 10%.
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Strong TUNG-SOL Long Gray Plate Angled D Getter JTL-12AX7 / ECC83 Tube
Strong TUNG-SOL Long Gray Plate Angled D Getter (Foil w 2 dimples) JTL-12AX7 / ECC83 Tube. Great Sounding Tube – MILITARY ISSUE. Tube passed ALL tests. MINIMUM reading is 70%, NEW (NOS) reading is 100%+ and MAX reading is 130%.
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12AX7 TUNG SOL JTL 17MM BLACK PLATE VINTAGE AUDIO TUBE (1951) *eTRACER* #12C33
Triode #1 – Plate Current = 1.61mA Rp = 55279 Gm = 1776 Mu = 98.2 Corners = PASS. Triode #2 – Plate Current = 1.51mA Rp = 56414 Gm = 1717 Mu = 98.2 Corners = PASS. 17mm long black plates, date code of “32231-23” indicating production in June, 1951.
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7025/12AX7 Tung-Sol Tall Plate MaxiPreamp2/TV7 tested (1) tube lot
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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Matched Pair Tung-Sol 12AX7/ECC83 Long Plate Square Getter Very Strong USA
Square Getter. Matched Pair. Well matched pair! Long Plate. Made in USA. where minimum good value is 875.
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Matched Pair Tung-Sol 12AX7/ECC83 Long Plate Square Getter USA Strong
Square Getter. Matched Pair. Tightly matched and strong pair! Long Plate. Made in USA. where minimum good value is 875. Tested in my preamplifier to make sure working as intended with no issues at all.