417A/5842 LM Ericsson Sweden gold pins NOS “”O”” getter halo 1960”s in original box
35ma
Gm=29,700
NOT A PAIR
Tested on Amplitrex
Vplate=150
Vgrid=-1.5V
Good Ma range 20-25ma
Good Gm range 20,000 – 30,000
– LAMM LP2 phono
– Wavelength Signature 45 2004
– Robert Koda Takumi K-70 power amp
– Psvane T-417 Reference Tube Pre-Amplifier
– Supratek phono


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