Brimar 12AX7/ECC83 Vacuum Tube/Valve - Long Black Plate - Halo Getter. AVO tested strong. AVO NOS Specs: IA = 1.2 GM = 1.6. No leaks or shorts / gas, solid base, shiny pins. Valve 1: A1 0.8 1.1. Don't use your amp as a circuit breaker, buy tested valves!
eBay
Brimar 12AX7/ECC83 Vacuum Tube/Valve - Long Black Plate - Halo Getter. AVO tested strong and balanced. AVO NOS Specs: IA = 1.2 GM = 1.6. No leaks or shorts / gas, solid base, shiny pins. Valve 1: A1 0.9 1.8.
eBay
A used Brimar short-plate ECC83 tube in working order and fair physical condition. Triode 1 1.0 1.4. Triode 2 1.1 1.3. Data Book Spec. _gsrx_vers_1710 (GS 9.9.1 (1710)).
eBay
Four working ECC83 valves. Three Mullards and one Brimar, all with Halo Getters. These have been tested as good on a CT160 with the following results Brimar 2D2/1674. Mullard B5C3. 2 Mullard B4C3.
eBay
Tested 1900/2000 umhos gm Long black Plate Square getter Code 4L4/573 1954 -573 = CV4004
eBay
(Brimar Foreign - Made by RFT Germany. Matched Pair ECC83 12AX7 Valves Tubes. NOS, Supplied in Original Military Boxes. 1) Ia 1.6/1.6 - Gm 1.8/1.8.
eBay
Brimar 12AX7 (ECC83) 1573 Double Triode Half Plate Halo Tests Good England See photos for condition. Tests good on Taylor Model 45C valve tester. Triode 1 mutual conductance reading Gm 2.5 Triode 2 mutual conductance reading Gm 2.3 100% factory data in Taylor manual at Gm 2.0 UK shipping with MyHermes Tracked or Royal Mail. International shipping with Royal Mail International Tracked. I will combine postage on multiple valve orders. See my other listings!
eBay
Test 1300/1200 mhos gm
eBay