(!!!) (Slightly microphonic single) JW-2C51=396A Western Electric "D" getter 1949 (6.2/6.4ma) (oldest 396A, 1st series made)
By Tube World
slightly microphonic single) JW-2C51=396A Western Electric NOS 1949
1 section) 6.2ma Gm=5000
1 section) 6.4ma Gm=5100
1st series made
Amplitrex Test Specs:
Vplate=150V
Vgrid=-1.9V
Good used Ma = 5 - 7ma
Good used Gm = 4500-5000
5670 is sub for 6N3P Chinese
5670=2C51=396A=6N3P
nice detail, good bass
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 (Slightly microphonic single) JW-2C51=396A Western Electric "D" getter 1949 (6.2/6.4ma) (oldest 396A, 1st series made)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_f9b212ae-53b3-46f4-81ff-325b028aea69.jpg?v=1709595994){kind=link}
 (Slightly microphonic single) JW-2C51=396A Western Electric "D" getter 1949 (6.2/6.4ma) (oldest 396A, 1st series made) "Pin It")