Pair NOS GE 12AX7A/7025 matched pair. where minimum is 32. Tube 2: 48/52. Tube 1: 48/45.
Item Tag: GE
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Amperex (GE) 12AX7A/7025, 14mm Ribbed Plates, O Getter, TV-7 Test = 80% / 90%
ONE – Amperex (GE) 12AX7A Vacuum Tube (the Vacuum Tube described and pictured). Triode 1: TV-7 Reading = 40 = 1000 umhos = 80%. For Reference: Typical New TV-7 test value for a 12AX7 is 50 (1250 umhos).
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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 12AX7 7025 Tube Long Gray Plates Top Getter USA Tested Good Vtg w/ Orig Box
Originally built as a premium, ruggedized version of the 12AX7, the 7025 was specifically selected for the lowest possible microphonics and hum, making it the top choice for critical audio applications.
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3 Date Matched Admiral /GE 6SN7GTB Vacuum Tubes Tested NOS On Calibrated TV – 7
All 3 tubes were made by GE for Admiral. This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Average new tube value – 76/76. Minimum tube value – 50/50.
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(2) GE 6SN7GTB Short Bottle Tubes Ring Sidegetters Bridged Filament Test Strong
Tube 1 Emissions 91% & 86% | GM 100% & 96%. Tube 2 Emissions 83% & 86% | GM 100% & 96%.
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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.