[ForSale-Swap] HP parts

AA6DX aa6dx at pacbell.net
Tue Dec 23 22:35:07 EST 2003


That black is called "getter"...  removes oxygen from inside the tube, makes
last mucho more longer .. Mark  AA6DX
----- Original Message ----- 
From: "Michael NØXY" <michael72 at binary.net>
To: <jfor at quik.com>; "David" <davideellison at email.msn.com>
Cc: "forsale-swap" <forsale-swap at mailman.qth.net>
Sent: Tuesday, December 23, 2003 5:08 PM
Subject: Re: [ForSale-Swap] HP parts


| Tubes blacked out on the inside of the envelope to prevent anyone from
| seeing how they are constructed? I have a pile of 6V6's that are like
| that. More grey than black though.
|
| N0XY
| ----- Original Message -----
| From: "J. Forster" <jfor at quik.com>
| To: "David" <davideellison at email.msn.com>
| Cc: "forsale-swap" <forsale-swap at mailman.qth.net>
| Sent: Tuesday, December 23, 2003 12:56 PM
| Subject: Re: [ForSale-Swap] HP parts
|
|
| > Perhaps with Aquadag to shield it?
| > -John
| >
| > David wrote:
| >
| > > > 2 ea 12AU7 tubes painted black
| > >
| > > Ok - I'll bite - why would some one have
| > > painted 12AU7s black?  That really got my
| > > curiousity going....  just for looks?  Or for
| > > some electronic reason I'm not thinking of....
| > >
| > > Ideas?
| > >
| > > Dave WB7AWK
| | Post: mailto:ForSale-Swap at mailman.qth.net
|





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