These are tested on Maxi Preamp tube tester.
Item Tag: Unit
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2 – Vintage NOS Siemens ECC88 / 6DJ8 / 6922 Audio Tube NIB / PAIR
Plate 1 : emissions 104% and GM 104%. Plate 2 : emissions 126% and GM 114%. Plate 1 : emissions 118% and GM 105%. Plate 2 : emissions 121% and GM 104%.
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PAIR – AMPEREX WESTINGHOUSE – ECC88 / 6DJ8 – VACUUM TUBE – 104%-91% & 96%-92%
ECC88 / 6DJ8 – VACUUM TUBE – AMPLITREX TESTED – MUTUAL CONDUCTANCE. Nice, clean tube tested on my Amplitrex (Fixed Bias) tube tester.
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International Service Master 6DJ8 ECC88 Pair Italy Tested TV-7/U Vacuum Tubes
Both tubes are marked “Italy” and have been tested on a Hickok TV-7/U mutual conductance tester with the following results Both tubes test strong on at least one section but are not closely balanced internally and are not being sold as a matched pair.
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AMPEREX EF89 / 6DA6 BUGLE BOY ELECTRON TUBES “NOS”
Up For Buy It Now (2) Electron Tubes 1 Made in Italy and 1 Germany Both EF89 / 6DA6.
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Seven 12AX7 Tubes Black And Gray Plates Untested New Old Stock GE and Others
7 General Electric and other brands 12AX7 tubes I don’t have a tester but these look to be in great condition black and gray plates new old stock untested
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Pair 2pcs 6.3V 12AX7 ECC83(amp socket) to 6N2 6N2P tube converter adapter
Your amp socket is B9A for 6.3V 12AX7 ECC83 tube. Every product will be tested before we send out.
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2 RCA 12AX7A Tubes (USA) TEST GOOD
2 RCA 12AX7A Tubes,pair USA short plate manufacture-original boxes-TV7 tested-test nil for shorts. TESTS : 52/50 and 50/48.
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2 RCA 12AX7A Tubes (USA) TEST GOOD-pair #2
2 RCA 12AX7A Tubes,pair USA short plate manufacture-original boxes-TV7 tested-test nil for shorts. TESTS : 54/54 and 48/48.
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Raytheon 12AX7 tube; used, tests new at 75/77; made in USA
Raytheon 12AX7 tube. Used – Tests new at 75-77. Made in USA. Ask IF “special requests” can be accommodated (boxing, double boxing, gifting, etc.);.