RCA JAN 807/VT100 – MATCHED PAIR (2 PCS)
GRADE: GOLD SERIES | VINTAGE US MILITARY MANUFACTURE
RCA JAN Military Spec
807 Power Beam Tetrode
Black Plate
Bottom Double Square Getter
Dark Brown Base
New in Original GVT Box
Amplitrex AT1000 Tested
Up for sale is a matched pair (2 Pcs) of vintage NOS RCA JAN 807 military-grade power beam tetrodes, complete in their original government boxes. Made in the USA, these sought-after military (Joint Army-Navy) valves feature robust black plate construction, a bottom double square getter layout, and durable dark brown bases. Highly prized by vintage audio build enthusiasts and RF amplifier users alike for their superb build quality, high reliability, and exceptional sonic performance.
Both tubes have been thoroughly tested on an Amplitrex AT1000 automated tester at standard reference operating conditions. Plate Current (Ip) and Transconductance (uMhos) measurements alongside percentage performance ratings relative to standard factory specifications are detailed in the table below.
| Serial No. | Tube Section | Plate Current (Ip) | Transconductance (uMhos) | ||||
|---|---|---|---|---|---|---|---|
| Ref Spec | Result | % Ip | Ref Spec | Result | % Gm | ||
| SR.NO. 2640103 | Power Tetrode | 72.0 mA | 64.8 mA | 90% | 6000 uMhos | 5350 uMhos | 89% |
| SR.NO. 2640150 | Power Tetrode | 72.0 mA | 62.8 mA | 87% | 6000 uMhos | 5200 uMhos | 87% |
807 Tube Made by RCA in 1940s or early 1950s ; Earliest Version, one of the best 807. Much better than the later 50s or 60s or 70s version.
807=ATS25=VT60 is a 5-pin 6L6G/KT66/EL37/350B ;specs are the same , but the pin-layouts are different. So you can buy 807-to-6L6 adapter to use 807 in 6L6G amps
(807=ATS25=VT60 + adapter) = 6L6G/KT66/EL37/350B
Technical Note: Custom duties and taxes are the responsibility of the buyer in their country.
Note: We have more than 2000 Pcs
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