Wisconsin Parts Database Instructions and Discussion Team/Group > WISCONSIN
> Motors and tools
> Replace
> New
> Without Warranty
> Shuguang 6550A-98 vacuum tubes ×2
Shuguang 6550A-98 vacuum tubes ×2
Beam power tube 6550's 6550A anticathode limite dissipation power is 35W 42W . In audio frequency amplifier, two tubes of A1 and AB1 driving output can get the power of 100W. At the same time, 6550 6550A also can be used in electron firm voltage electrical route.
6550 6550A is the same with KT88, and can be exchanged each other.
anticathode dissipation voltage
heater voltage between cathodes
Ia(max.sig) 2 135 -2 136 - 2 95mA
Ig2(0) 2 4.5 -2 2 -2 3.6mA
Ig2(max.sig) 2 22 -2 20.5- 2 19.5mA
