(!!) 13EM7 RCA black base black plates NOS 1960's (1.1ma/37ma)
$ 7.99
13EM7 RCA black base black plates NOS 1960's
1.1ma Gm=1500
37ma Gm=5600
Tested on Amplitrex
Good Ma triode #1 = 1.2-1.4ma
Good Gm triode #1 =1400-1600
Good Ma triode #2 = 30-40ma
Good Gm triode #2 = 5500-7000
- Modwright
See more: vacuum tube
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 13EM7 RCA black base black plates NOS 1960's (1.1ma/37ma)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_80cc781e-1c9c-4018-a274-6c3d7ff22fba.jpg?v=1616165346){kind=link}
 13EM7 RCA black base black plates NOS 1960's (1.1ma/37ma) "Pin It")