substitute tub 7A4 vs XXL

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substitute tub 7A4 vs XXL

John R
runawaytruck

Posts: 94
Threads: 3
Joined: May 2010
City: Albuquerque, NM

06-12-2011, 12:45 PM

Hi,
The 7A4 is a direct substitute for the XXL and should work fine. If you look up the XXL on tube suppliers websites they usually show XXL/7A4. Have several 7A4's in radios that work fine in place of the original XXL Philco tubes. John

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substitute tub 7A4 vs XXL - by gennet2 - 06-12-2011, 07:45 AM

Re: substitute tub 7A4 vs XXL - by John R - 06-12-2011, 12:45 PM

Re: substitute tub 7A4 vs XXL - by Carl Travis - 06-12-2011, 01:38 PM

Re: substitute tub 7A4 vs XXL - by codefox1 - 06-12-2011, 02:17 PM

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