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  • (!) (Recommended Single) 7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's (2.9/3.2ma) (highest testing single)
(!) (Recommended Single) 7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's (2.9/3.2ma) (highest testing single) Image 1
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(!) (Recommended Single) 7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's (2.9/3.2ma) (highest testing single) Nav Image 1

(!) (Recommended Single) 7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's (2.9/3.2ma) (highest testing single)

$12.99 $14.99


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1940 1940's 7F7 7V all black plates preamp tubes RCA Sylvania VT-189


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Preamp tubes
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  • Description

7F7 Sylvania rebranded JAN-CBRZ-7F7 round gray plates used/like new 1940's

2.9ma Gm=1600

3.2ma Gm=1700

 

- Masco MA-17

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