1 low noise tube) JAN-5670W GE used/good 1970”s
1 section) 6.8ma Gm=4400
1 section) 6.0ma Gm=3800
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
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