RARE BRIMAR 12AX7 long black plate angled square getter 1954. Amplifier and AVO Mk4 Tested: Ia 1.05/0.95 GM 2100/2000 = 100+/100%.
Item Tag: ECC83/12ax7
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NOS NIB Telefunken ECC83/12AX7 Long Ribbed Plate Diamond Bottom Strong
The Matched Quad (4) Telefunken ECC83/12AX7 Long Ribbed Plate Diamond Bottom Strong vacuum tubes are high-quality vintage electronic components made in Germany by the renowned brand Telefunken. These tubes are designed with a long smooth plate and a diamond bottom, ensuring excellent performance and reliability. Low microphony tubes that really do expand the soundstage!
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TUNGSOL NOS 12AX7 Long Plates D [] Getter Matched Pair 1952
Super clean yet wildly dynamic, with that 3D imaging and resolution that makes modern tubes sound flat and lifeless by comparison. Bass is deep, tight, and authoritative — extended low end with punch and realism that anchors everything without a hint of flab.
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3- MULLARD BLACKBURN 12AX7 ECC83 TUBE (I61-series circa 1961) Strong Trio?
All three tubes tested 140+/140+ on my Eico 666 tube tester where 80 is listed as a minimum value. Nice strong trio with gray plates and halo getter. Please email with any questions or concerns. Thanks for looking!
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NOS Pair PhilipsECG 7025 12AX7WA ECC83 Long Plates Ring Getter 12AX7
NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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1x Tungsram ECC83/12AX7 ! SELECTED 1/2/3 AND MORE ! Honest Tested NOS Vintage
TUNGSRAM ECC83 (12AX7) Long Plates ORIGINAL! Buy Only Honest Tested Tubes! The Tube Has Been Tested With The Caibrated L1 – 3 Tube Tester. I Personally Tested These tubes And I Am Confident In Them!
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1x RFT-RWN ECC83/12AX7 MATCHED 1/2/3/More TEST IN PHOTO NOS Vintage Germany
RFT ECC83 (12AX7) SHORT PLATES ORIGINAL! Excellent radio tube with short anodes! Less low frequencies, more linear tube in frequencies. with huge amplification it makes less noise! Buy Only Honest Tested Tubes!