[R-390] CV133 vs 6C4

[Dan Merz]

 Hi,  according to Universal Vade-Mecum,  CV133 = 6C4.  CV's are British
Government types with commercial equivalents.  Other listed equivalents are
EC90, 6135, CK 6100, CK 6135,  L 77,  M 8080, QA 2401, and QL 77. Babani's
tube encylopedia also puts CV133 = 6C4.   Dan 

Sorry for the dupe... Forgot to copy all the first time.

-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of Tim Shoppa
Sent: Friday, January 27, 2006 2:31 PM
To: r-390 at mailman.qth.net
Subject: [R-390] CV133 vs 6C4

Is the CV133 the British version of the 6C4? Is it the british mil-spec
version? (I'm not all that familiar with British tube numbering, I'm deeply
suspicious of any tube that says "ECC" on it too!)

Or am I wrong and "CV133" is a Russki marking?

Tim.
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