Mullard 12DW7 7247 Trio Incl. Matched Pair
The Fisher
Test good 1961
Test: 62/62 (Code 6B1 B1F)
62/60 (B1F)
57/54 (B0G)
Tested on Conar 224 Tube Tester. Pass is above 45, Good is above 55
I am selling my entire tube collection. Please see my other items if interested, and I'll discount the shipping if you purchase multiple items.