(!!) (Best Pair) 6GJ7=ECF801 Dumont Japan NOS 1970's (80-81/60 and 80-81/60) 1-2% matched
$ 13.99
1 pair) 6GJ7=ECF801 Dumont Japan NOS 1970's
1 tube) 80/60 and 81/60
1 tube) 80/60 and 81/60
Tested on B&K
See more: vacuum tube
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 (Best Pair) 6GJ7=ECF801 Dumont Japan NOS 1970's (80-81/60 and 80-81/60) 1-2% matched&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_1c8a6dca-4286-435c-b064-d9a58c624413.jpg?v=1764170213){kind=link}
 (Best Pair) 6GJ7=ECF801 Dumont Japan NOS 1970's (80-81/60 and 80-81/60) 1-2% matched "Pin It")