Fw: [TCA] Sub for WE 311B

[Tom NØJMY - AAR7FV]

----- Original Message ----- 
From: James Cross 
To: tubecollectorsassociation at yahoogroups.com 
Sent: Monday, November 03, 2008 8:45 AM
Subject: Re: [TCA] Sub for WE 311B


RE 310A/B - -Not a 6D6. Is approximately a 10V 6C6.

RE 311A/B - same basing as a type 36, but almost 3 times the 
transconductance. Set up for a 36 with the filament at 10V is a good 
starting point. There are no other similar tubes (24A and 35/51 have 
same basing but are variable mu).

Jim Cross

On Nov 3, 2008, at 8:57 AM, Tom NØJMY - AAR7FV wrote:

> A ham on another list has expressed a desire to check a WE 311B with 
> his Precise Model III tester. His question is this: Is there a tube 
> with close enough spec's that he could use that tube's testing set-up 
> to perform the test of the 311B?
>
> By way of comparison, he notes that it is possible to use the 6D6 
> spec's to test a WE 310A.
>
> Any help appreciated,
> Tom n0jmy
>
> [Non-text portions of this message have been removed]
>
>
> ------------------------------------
>
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>
> If you have questions about or problems with
> the TCA reflector, please contact the list manager
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>
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>
>
>
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>
>
>



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