Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

substitute tub 7A4 vs XXL
#2

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


Messages In This Thread
substitute tub 7A4 vs XXL - by gennet2 - 06-12-2011, 06:45 AM
Re: substitute tub 7A4 vs XXL - by John R - 06-12-2011, 11:45 AM
Re: substitute tub 7A4 vs XXL - by Carl Travis - 06-12-2011, 12:38 PM
Re: substitute tub 7A4 vs XXL - by codefox1 - 06-12-2011, 01:17 PM



Users browsing this thread: 1 Guest(s)