tube bayonet pin gone.

commstech · 3rd June 2009, 02:54 PM

Hi all, i have recently bought a 300b tube from an online source with a bayonet pin which is located at the valve base missing. it is the small round metal pin that protrudes a few mm from the side of the valve base.returning for refund from seller is a hassle. any impact on the function of the tube?

Tom Bavis · 3rd June 2009, 03:13 PM

Only if you use an antique bayonet-style socket... don't think those have been made in years. The bayonet pin is a vestigial organ... like an appendix...

commstech · 4th June 2009, 01:59 AM

Quote:

Originally posted by Tom Bavis
Only if you use an antique bayonet-style socket... don't think those have been made in years. The bayonet pin is a vestigial organ... like an appendix...

ok, so will the tube be still working technically ?

Tom Bavis · 4th June 2009, 02:02 AM

It has as much to do with the function of the tube as the ink in the marking...

3rd June 2009, 02:54 PM	#1
commstech diyAudio Member Join Date: Oct 2002 Location: SINGAPORE	tube bayonet pin gone. Hi all, i have recently bought a 300b tube from an online source with a bayonet pin which is located at the valve base missing. it is the small round metal pin that protrudes a few mm from the side of the valve base.returning for refund from seller is a hassle. any impact on the function of the tube?

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3rd June 2009, 03:13 PM	#2
Tom Bavis diyAudio Member Join Date: Jun 2002 Location: Macedon NY	Only if you use an antique bayonet-style socket... don't think those have been made in years. The bayonet pin is a vestigial organ... like an appendix...

4th June 2009, 02:02 AM	#4
Tom Bavis diyAudio Member Join Date: Jun 2002 Location: Macedon NY	It has as much to do with the function of the tube as the ink in the marking...

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