Vacuum Tubes. ‘Matched’ refers to comparing the gm test results between the lowest to the highest of the identical sections of a set of tubes. ‘Matched’ I consider to be within 10%. Tubes will generally be cleaned.
Item Tag: GE
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GE JAN 5670W Black Plate NOS Full Sleeve *qty 5* Tests Very Strong 💪
These have black plates and test NOS. These are New Old Stock never been used. These were tested for shorts gas and mutual conductance. They tested very strong! Tested with TV7 for shorts and Gas and then used my Essues Technologies eTracer for Mutual Conductance.
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Pair GE JAN 5670W Vacuum Tubes Black Plate Foil Getter TV-7 Tested Strong
Pair of GE JAN 5670W vacuum tubes black plate solid round getter. Tubes are identical in construction. The minimum is equal to 65% of the life of the tube. Tested at: 38/37. Tested for shorts and gas.
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Pair GE JAN-5670W 2C51 396A Tubes Black Plates Disc Getter NOS Multiple Avail
25 pairs available all new old stock and removed from factory case. Same 75-30 dates
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JAN 5670W GE NOS Vacuum Tube, TV-7D Tested – will combine shipping
Vacuum Tube. sections of a single tube. Within 3% I consider to be ‘Balanced’. Tested at 43/52. Clean tubes will radiate heat better & operate cooler. Test results will differ between various testers for many reasons such as technical design, aging components, etc.
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GE General Electric 5AR4/GZ34 Vacuum Tube : Copper Plate/Brown Base
GE General Electric 5AR4/GZ34 Vacuum Tube. Up for sale is One GE General Electric 5AR4/GZ34 Vacuum Tube. Copper Plate/Brown Base. I tested tubes on my TV7B/U tube tester. Date Code : ?. What you see is exactly what you get.
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(1) General Electric GE 5AR4 GZ34 Rectifier Tube Copper Plates Tests Strong
(1) General Electric GE 5AR4 GZ34 Full Wave Rectifier Tube with Copper Plates. Tube tests at 60/58 with 40 being the minimum score for a good tube (with 65% life remaining).
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GE GZ34/5AR4 O-Getter Rectifier Vacuum Tube Made in USA
Rectifier Vacuum Tube. Possibly unused new tube! Made in USA. ____ ______. where minimum good value is 54.
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NOS/NIB GE GZ34/5AR4 O-Getter Rectifier Vacuum Tube Made in USA 1961
Rectifier Vacuum Tube. Made in 1961 in USA. Made in USA. Date code: 61-09. Tightly balanced sections! where minimum good value is 54.