[Boatanchors] 1625 tube

[Sandy W5TVW]

BTW, Just a few tubes use the "Medium" 7 pin base!  The small 7 pin base was used on 
many more receiving tubes.  I recall they are on the 6A6, 802, 837, RK-34 and 1625. 
 Can't think of any others!

73,
Sandy W5TVW

----- Original Message ----- 
From: "Glen Zook" <gzook at yahoo.com>
To: <Troglodite at aol.com>; <boatanchors at mailman.qth.net>
Sent: Thursday, October 07, 2004 1:57 PM
Subject: Re: [Boatanchors] 1625 tube


| The 1625 is the 7-pin "medium" base and not octal.
| 
| Glen, K9STH
| 
| 
| --- Troglodite at aol.com wrote:
| 
| The 1625 is also an octal base, verses the 5 pin based
| 807. I was surprised to find octal based tubes in sets
| from 1937. Apparently, the octal  design appeared a
| few years before I originally thought it did.
| 
| 
| =====
| Glen, K9STH
| 
| Web sites
| 
| http://home.comcast.net/~k9sth
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