[R-390] 6aJ5 Substitute

[Transmaster]

6AJ5'a are available from Antique Electronic Supply for $2.50 cents each.
When you can get them this cheap there is no point in modifying you rig for
another tube.
go to the following. link http://www.tubesandmore.com/

Ken de W7ITC

On Mon, Feb 22, 2010 at 6:44 PM, Shoppa, Tim <tshoppa at wmata.com> wrote:

> 6AK5's are same base and in my experience work just fine.
>
> In a pinch most of the pentodes can be swapped around and you'll still have
> a working radio. I once just randomly started swapping the pentodes around
> between oscillators, IF deck, and RF deck, and while the AGC characteristics
> were messed up if I played around with multiple tubes in the IF deck, the
> radio still worked. Most of the 7-pin RF-type pentodes have identical or
> similar pinouts.
>
> 6AJ5's are in stock at all the major suppliers (Antique Electronics Supply,
> ESRC, etc) and cheaper than E-bay.
>
> I don't think the military had zillions of mil-spec 6AJ5's stockpiled like
> they did the 6AK5. I'm not sure I've ever seen a JAN 6AJ5.
>
> Tim.
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-- 
Kenneth A. Crips, W7ITC, NRA Life member. Home of the Chew Crew,  Red Headed
Irish Terrier House Ninjas, Chic', Cowboy, and Ladybug  10th degree black
belts in Mouch Fue, Bed Fue, and Con Artist Fue.