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(Recommended Single) 6SU7GTY=6188 Tungsol round black plates coated glass NOS 1950's rebranded

(Recommended Single) 6SU7GTY=6188 Tungsol round black plates coated glass NOS 1950's rebranded "5691 National" in 1987 (1.9/2.2ma)

$ 79.99

1 low noise tube) 6SU7GTY=6188 Tungsol round black plates coated glass NOS 1950's rebranded "5691 National" in 1987

1.9ma Gm=1300

2.2ma Gm=1400

 

Typical Ma 2+

Typical Gm range 1300-1500

 

(a 6SU7WGT=6188 is a 6SL7GT with a brown base, low gas and leakage and close triode section balance)
(6SU7WGT specifications are passed by only 50% of NOS production 6SL7GT's)

- Cary PH302 phono
- Little-Dot mark VI
- Alessandro Beagle
- ALL applications requiring a low noise 6SL7GT or see the 5691 page

 

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