CV4058=6100=6C4 Mullard UK Mitcham plant NOS Box Plate 1973

9ma

Gm=1900

NOT A PAIR

TESTED ON AMPLITREX AT1000

Vplate=250V

Vgrid=-8.5V

Good Iplate range 8-10ma

Good Gm range 2000-2200

Recommended for

- Conrad Johnson PV14L2, PV15 preamp
- Conrad Johnson MET1 (6 Channel preamp)
- Conrad Johnson Classic preamp 2010
- Conrad Johnson Classic SE 2011
- Conrad Johnson ET-2 preamp
- Heathkit amp
- Supratek Chenin phono pre