6F6G tube Visseaux made in France

Vintage Vacuum tubes Valves Pure Pentode

Pan getter, large getter

Big Fat shape

Oldest production for Public Service

Long life High Reliability

Black plate ribbed

Silver support Reinforced Anode

3 tubes 6F6G Visseaux France super strong tested

Pan getter & round plate.

test results 84 ; 84 ; 74

( on TV7/DU tube tester good starts at 50 )

6F6G = VT-66A = CV1911 ARP17 CV1186 KT63 NR85 349A
( 4 tubes = 4 pieces = 4 pcs = 4 valves = 4 Lampe )

Socket Octal K8A
Heater Filament Vf 6.3 Volt / If 0.7 Ampere / Indirect / Parallel ~ = ( AC / DC )

The 6F6G output pentode was designed for audio amplification in radio receivers.
The operating values given are for single ended use with an anode load of 7,000 Ohms.
If a pair are used as an audio amplifier in push pull class A, 10.5 Watts are possible with 3% distortion.
The classic envelope is 42 mm in diameter and excluding the IO base pins the length is 95 mm.
Fully tested with tube tester TV7d/u calibrated with highest emission super strong Mint tubes top original conditions still into original carton envelope original box wrapping in great shape

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box 60