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17C9 tube
Posted: Fri Jun 14, 2024 10:38 pm
by electra225
Anybody have one they would sell?
Re: 17C9 tube
Posted: Sun Jun 16, 2024 6:54 pm
by hermitcrab
too bad the filament voltage is oddball, a 6C9 is the same tube , just lower filament voltage
Re: 17C9 tube
Posted: Tue Jun 18, 2024 11:51 pm
by electra225
The filament is not all that is oddball. The 17C9 is a dual tetrode, with a nine-pin miniature base. It has ten pins. There is a pin in the middle of the bottom. It uses a special socket with a connection in the center. There is no sub for this tube.
Re: 17C9 tube
Posted: Wed Jun 19, 2024 9:33 pm
by hermitcrab
what is the center pin for?
Re: 17C9 tube
Posted: Fri Jul 12, 2024 1:55 am
by electra225
I have a new 17C9. I don't know offhand what the center pin is for. I think it is unique to the 6C9/17C9.