09
Août
12AX7/ECC83 RCA Black Plate MaxiPreamp2/TV-7 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.
09
Août
One EI 12AX7 ECC83 Tube Chrome Plating GM[%]: 143/125 EM[%]: 150/133 AMPLITREX
Discriminating Test Results from AMPLITREX Tube Tester. AMPLITREX AT-1000. One Excellent EI 12AX7 ECC83 Tube. Strong EM > Long Life. GM Takes Precedence Over EM. EM[%]: 150/133. Strong GM...
09
Août
12AX7 ECC83 Matsushita Japan Preamp Tubes. *PAIR* Matching codes. Strong
They are marked "Made in Japan" on the glass and have mtching production codes of "6 I". They have short gray plates and a level halo getter. The tubes...
09
Août
2 Mullard 7025 12AX7 ECC83 Preamp Vacuum Tubes! Vintage Pair 12AX7A
These were removed from a working amp.
09
Août
(2) Sovtek 12AX7LPS ECC83 Preamp Tubes Excellent Cond Test NIB Amplitrex
Tested on an Amplitrex AT1000.
09
Août
3 CLEAN Perfectly MATCHED Trio Raytheon BLACK 12AX7 ECC83 TEST 100%+ NEW NOS+
3 CLEAN & PERFECTLY MATCHED Trio of Raytheon made for Baldwin 12AX7 / ECC83 Preamp tubes. They all feature long, BLACK plates with a top-mounted, "O" getter. Very CLEAN...
09
Août
New 1x Electro Harmonix 12AX7 / ECC83 | One / Single Preamp Tube | EH
Brand New Electro-Harmonix 12AX7 Single Tube The Electro Harmonix 12AX7 provides high gain with ultra low noise and a detailed, musical tone that rivals the most desirable NOS types....