I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
Item Tag: Preamp Tubes
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12AX7/ECC83 Telefunken Berlin Smooth Plate MaxiPreamp2/TV7 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.
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7025/12AX7A Philips Smooth Long Plate MaxiPreamp2/TV7 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.
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60s GE Short 7025 Gray plate O getter 100/100 a side NOS! Rare
The pictures shows a 60s GE Short 7025 Gray plate O getter 100/100 a side NOS! Tube Tester Scale reads. So, for example. Last picture show the box with the “12ax7” stamped on the end. So lets say on a scale of 1-10 — Any tube testing 7 or below, was either sold to the secondary market or if testing low enough.
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GE 7025 / 12AX7A / ECC83 O Getter BALANCED for Emissions Great Logos
See photos for test results. Lettering still in great shape.
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GE 6SN7 GTB 1962 WHITE LABEL CHROME SIDED HALO TALL BLACK BASE MATCHING SET
Where 50 ( μ) is Good these tubes peg at 73/77 for Emission. Where 2,600 (ma/V ) is Good these tubes peg at 3,000/3,100 for Mutual Conductance. Mutual Conductance: The 750 is a dynamic mutual conductance tester.
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GE 6SN7GTB “GLOW DOME” Side Getter Copper Posts – PLATINUM MATCHED on AT1000
Excellent warmth in the midrange, plus the side mounted getter adds rigidity to the plate structure, reducing microphonics. These are a bargain now but are quickly being gobbled up by audiophiles. Discover the quality of these quality USA made tubes as they will be worth their weight in gold in the future.
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SYLVANIA 6SN7 GTB TUBE 1951 CHROME TOPPED HALO BLACK PLATES MATCHING SET
✔ Custom 6SN7 platforms. 🔥 Genuine U.S.A. Sylvania manufacture. MATCHED SET. BLACK V PLATES. Production Year: 1951. EXCL USIVE HIGH FIDELTY TUBE. 🔥 Matching pair. 🔥 Black plate construction.
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RCA 6SN7 GTB TUBE 1962 TOUGH DOGS 2 HOLE BLACK LADDER PLATES MATCHING SET
Production Year: October 1962 December 1962. TOUGH DOGS. 2 HOLE PLATES. MATCHED SET. Closely Matched Codes: LM LV. I mark every tube in order to avoid tube rolling! EXCL USIVE HIGH FIDELTY TUBE. BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.