1 low noise tube) 2C51=396A=5670 GE NOS “”D”” getter 1950”s rebranded National 1970”s

8ma Gm=5400

7ma Gm=4800

Matched on Amplitrex

Vplate=150V

Vgrid=-1.9V

Good Ma = 6 – 8ma

Good Gm = 5000-5500

5670=2C51=396A=6C3P=6N3P

Recommended for

– Maverick Audio D2 (2013)

– Maverick Tube Magic D1 preamp HD-22

– Glo Amp 1
– Elekit TU-882R (headphone amp) 2009
– Grant Fidelity DAC 09
– Sophia baby amp
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– Sophia Electric Baby
– Bock 251 (microphone)
– Pendulum Audio Quartet I mic pre
– BADA- Singlepower driver
– MHZS CD player CD33F
– MHDT Labs Stockholm Balanced
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– Eddie Current EC-01
– Eddie Current Lunchbox II
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