(2) Sylvania JAN-12AX7WA Military Spec Preamp Tubes | Gray Plates | O Getters. Tube 1 tests at 52/54 and tube 2 at 46/50 with 32 being the minimum score for a good tube (with 65% life remaining).
Item Tag: 12AX7
-
(1) Mullard 7025 ECC83 12AX7 Tube (GE Branded) NOS NIB!
(1) Mullard 7025. Made by Mullard for GE. Large halo getter. This is also known as a CV4004/ECC83 tube type. The printing on this tube is in superb condition as seen in the photos. Highly sought after and very rare in NOS form.
-
12AX7/ECC83 Mullard Long Plate 161 code 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.
-
NOS Matched Pair RCA 12AX7A ECC83 12AX7 phono Grade Audio Tubes
NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states “Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
-
12AX7A/ECC83 Tungsram “Penta Lab” NOS/NIB MaxiPreamp2/TV7 tested
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly. See Photos for test results.
-
Pair of Tungsram (GT label) 12AX7 ECC83 Vacuum Tubes #1
Tested on the Amplitrex AT1000, with results shown in the table below. Actual manufacturer Tungsram. Number 12AX7. Small signal (i.e. 12AX7) tubes are generally checked for noise and microphonics; power tubes (i.e. 6L6) are usually not.
-
Single GE 12AX7A 7025 NOS NIB Vacuum Tube – Many Available
Single NOS GE 12AX7A/7025 tube, with original box and from an original factory crate, all dated “CG” (Jan 1985). Never before opened! Sale is for one tube, but many are available. Select the quantity desired from the drop down box.
-
Strong Testing Pair of Vintage EI 12AX7/ECC83 Vacuum Tubes w/Matching Codes
They have matching date codes of 2A1 and EI symbol 9L. The values are marked on each tube. The box is for photo purposes only. Hopefully these will help you in your restorations and upgrades! We have tons of experience!
-
General Electronics GE 12AX7 ecc83 TUBE PAIR (circa 50s strong tested) LG*****
GENERAL ELECTRONICS GE 12AX7 TUBE PAIR circa 50s FOR MC240 as pictured, they’re in good condition (tested on my tube tester, where NOS tube normal range= 105-110, min-good=65, max-good=120, tested tubes= 105/106 and 106/105 respectively, no short no leak) Note: The shown MC240 schematic picture is using as reference only.