[ARC5] Equivalent tube types

[Ray Chase]

Leslie:
I suspect that you are looking for the octal based series of 12A?7 tubes. 
Also the 9003 types of miniature tubes used in those sets are very common 
here.  If you need some let me know.
Ray
----- Original Message ----- 
From: "Leslie Smith" <vk2bcu at operamail.com>
To: "ARC-5 List" <arc5 at mailman.qth.net>
Sent: Sunday, July 15, 2012 6:11 PM
Subject: [ARC5] Equivalent tube types


> Dear list:
> There are well known equivalents (long life, high reliablity) to the
> 12A?7 series of tubes.
> (See?  you guys have corrupted me.  I now call a "valve" a "tube"!
> Aaarghhhh!  My soul is bound for perdition ....)
>
> Can any-one tell me the numbers?
> It's 6000 or 9000 or some number like that.
>
> Ditto for the 9000 .. 9003 types.
> There are "common" equivalents for these.
> Can anyone help?
> I have an ARC VHF set that uses these tubes but there are some that are
> hard to get.
>
> Thanks
>
>
> -- 
>  Leslie Smith
>  vk2bcu at operamail.com
>
>
> -- 
> http://www.fastmail.fm - A no graphics, no pop-ups email service
>
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