[Boatanchors] NEED TUBE INFO

Al Klase al at ar88.net
Thu Jul 19 16:21:16 EDT 2007


Hi Dave,

With all due respect, I think you are confused. Can you point us to a 
data sheet for a 280 that has a 2.5-volt filament?

Regards,
Al

David Hollander wrote:
> Brian - once again, the 280 rectifier is a 2.5 volt filament tube. It 
> is the2.5 volt version of the 80 rectifier. The National 5887 doghouse 
> supply uses one to power the FB-7 receiver 2.5 volt tube version. The 
> National 5880 doghouse which is for the 2.5 volt version of the SW-3 
> also has a 280 in the power supply. The doghouse supplies for the 
> early national receivers using 6 volt tubes uses an 80 rectifier.
........


-- 
Al Klase – N3FRQ
Flemington, NJ
http://www.skywaves.ar88.net/



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