12AX7 / ECC83. JJ Electronic.
2 MULLARD 12AX7/ECC83 Tubes Labeled THE FISHER Ribbed Gray Plate O Getter
Two Mullard 12AX7 /ECC83 tubes labeled “The Fisher”. Blackburn date codes B3L2 and B5C1.
12AX7 ECC83 RCA Tube Black Plate Square Getter TV7 Test Good RC-52
12AX7/ ECC83 RCA Tube. Made In USA. Triode:1 Tested Good: 36/ 32 Baseline. Triode: 2 Tested Good: 36/ 32 Baseline. 12AX7 Minimum Range: 32. 12AX7 Nos Range 45 +. Top Square Getter. NOS tubes fall within the GM range published in the RCA Receiving Tube Manual; variation above/below average is normal.
12AX7A ECC83 Hammond Mullard Tube Ribbed Short Plate Tested 110% 1300/1200 T26
The product is a vintage Hammond Mullard 12AX7A ECC83 vacuum tube, made in the United Kingdom. This particular tube has a ribbed short plate and has been tested at 110% of its original performance, achieving a testing result of 1300/1200. A classic and sought-after piece for vintage audio enthusiasts, this tube is sure to enhance the sound quality of any vintage audio system.
2 Strong Matched RCA Long Gray Plate Angled D Getter 12AX7 / ECC83 Tubes
Great Sounding Tubes – Made in USA. Tubes passed ALL tests. MINIMUM reading is 70%, NEW (NOS) reading is 100%+ and MAX reading is 130%. This is very important! We strive to make this happen!
MULLARD 12AX7 ECC83 f92 Goal Post LONG Plate Audio VACUUM TUBE Tested 5.9353
Date Code f92 B9B. Model 12AX7 ECC83. Manufacture Date Q3 1992 — Mullard Blackburn factory. Tube Type Dual Triode. ALL TUBE AUDIO. Plate Long Plate. Tube Specifications. Why Buy From All Tube Audio?.
MULLARD 12AX7/ECC83 LONG PLATE BVA SHIELD LOGO AUDIO PREAMPLIFIER TUBE
Good used MULLARD BVA ECC83 / 12AX7 long plate , shield logo tube. Dual support square getter. Manufactured in Great Britain at the Mullard Blackburn facility. Production date code : B7A. Tested on military TV7 tube tester. With 32 being minimum reading for a good tube , this tube reads 32 (minimum for good) / 46. FREE U.S. SHIPPING ! Thank you for looking !!!
4 Genalex Gold Lion ECC83 /12AX7 Kevin’s Secret Stash Cryp Treated! Matched Quad
The product is a matched quad of vintage ECC83 preamp tubes treated with Kevin’s Secret Stash Cryp, manufactured by Genalex. These tubes are known for their high-quality sound and are a sought-after item for vintage audio enthusiasts. The ECC83 model, also known as the 12AX7, is highly regarded for its warm, rich tone and is commonly used in preamp applications for adding depth and character to audio signals. Ideal for those looking to enhance the sound quality of their vintage audio setup with some of the best preamp tubes available.
(2) Amperex Bugle Boy 12AX7 ECC83 Treble Clef Matched Codes 1959 Tests NOS
(2) Amperex Bugle Boy 12AX7 ECC83 Treble Clef Vacuum Tubes | 1959 Production | Matched Codes I6I Δ9L/J. Tube 1 tests at 54/50 and tube 2 at 48/52 with 32 being the minimum score for a good tube (with 65% life remaining).
Vintage 1965 Mullard ECC83 12AX7 Tube Blackburn UK B5B2 | Tests 1400/1400 Hickok
(The B and 5 are clear, but the third digit is hard to read even under my microscope). Mullard lettering and factory etching are visible. This tube features exceptionally strong and perfectly balanced internal triode.