Condition: All tubes are UNTESTED and sold as-is. Tubes appear to be in good physical condition with intact pins. Boxes show normal age-related wear. – General Electric (GE). Great for tube radio/TV restoration, ham radio projects, guitar amp builders, or tube collectors.
Item Tag: RCA
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4 (four) RCA Wurlitzer 12FQ8 Preamp Twin Double-plate Triode Tubes 1961
A set of four tubes all 12FQ8 by RCA for Wurlitzer date code 1961 43rd week. These are all reading 88-90% on my BK 667 tube tester where the highest reading for this tube is 90%. Both sides are matching within 1%.
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RCA 12AU7A Matching Date Code Pair Preamp Tubes Clear Top Webcor
We cannot be responsible for what tubes test in another tester.
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2 NIB NOS Tektronix selected RCA 12AU7 tubes TV7 & AT1000 tested excellent
AT1000 test results 2 NIB NOS Tektronix selected RCA 12AU7 tubes. Minimum good 12AU7 per section-Gm: 1.40 mA/V, Ip: 6 mA. Nominal/new 12AU7 per section-Gm: 2.20 mA/V, Ip: 10 mA. Excellent testing and great sounding tubes.
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RCA 5692 preamp tubes premium 6SN7 tested strong and matched pair
One pair of RCA 5692 tubes. TV-7D/U tested at 100, 95 and 93, 90.
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RCA 76 Tube Mixer Amp Chassis. (Pre Amp)
The RCA 76 Tube Mixer Amp Chassis is a vintage audio component from RCA, known for its quality and durability. This preamp chassis is designed to house a tube mixer amp, offering a classic and retro aesthetic for vintage audio enthusiasts. With the RCA brand reputation and focus on audio quality, this product is a great addition to any vintage audio setup looking to enhance sound performance.
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7 RCA, GE, Syl Balanced 6SN7GTA&B Tubes – All Tested NOS on Maxi PreAmp & 539B
7 – RCA, GE Balanced 6SN7GTA&B Tubes. I then use the Hickok 539B to confirm the test results and provide an. Hickok’s 539B Specifications state that any tube over. All tubes have been tested and matched on two Hickok Professional Tube Testers.
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Matched Pair NOS RCA 6AK5 EF95 5654 Audio Preamp Tubes Gray Plates
Tv7 tested NOS TUBES. 90 % of our tubes are Tv7 tested. All our tubes have been tested for. 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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Mullard 7247 Matching Pair Blackburn UK Preamp Tubes
Eico by Mullard. We cannot be responsible for what tubes test in another tester.
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RCA 5751 Triple Mica Black Plate Pair Preamp Tubes
We cannot be responsible for what tubes test in another tester.