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(!!!) (#2 6385 Bendix Single) 6385 Bendix Red Bank USA "D" getter halo NOS 1955-1956 original box (7.7/8.0ma) (slightly microphonic)

$ 278.88

1 low noise tube) 6385 Bendix Red Bank USA "D" getter halo NOS (543=1955) boxed in 1956 original box - "6385" printing is slightly faded / smeared on glass

1 section) 8.8ma Gm=4700

1 section) 9.5ma Gm=5000

 

- low noise; tested in high gain headphone amp

- slightly microphonic in headphone map tapping on tube

- triple mica - black plates

- Aviation grade

- life expectancy 10,000 hours

- very rare, 20 units in stock in 23 years

 

(6385=5670=2C51 with shield added and 500ma filament current)

 

Vplate = 150V

Vgrid = - 2V

Good Ma = 7.5-8.5ma

Good Gm range 4500-5000

 

LINK TO 6385 DATA SHEET:

https://frank.pocnet.net/sheets/131/6/6385.pdf

 

 


- Havana

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