5670=2C51 GE black plates "D" getter halo used/good 1950's (7.2/8.0ma) (same Gm)
1 low noise tube) 5670=2C51 GE black plates "D" getter halo used/good 1950's in white box
1 section) 7.2ma Gm=5400
1 section) 8.0ma Gm=5400
Amplitrex Test Specs:
Vplate=150V
Vgrid=-1.9V
Good Ma = 6 - 8ma
Good Gm = 5000-5500
5670 is sub for 6N3P Chinese
5670=2C51=396A=6N3P
nice detail, good bass
Recommended for
- Maverick Audio D2 (2013)
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- Elekit TU-882R (headphone amp) 2009
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- Sophia Electric Baby
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- Eddie Current Lunchbox II
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- Manley Labs Jumbo Shrimp preamp
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