(!!) (Good Value Single) 6201=12AT7 Valvo Germany rebranded Philips SQ 1970 (6.8/7.8mA)

1 low noise tube) 6201=12AT7 Valvo Germany rebranded Philips SQ (Df6-D0C3=1970) D=Hamburg Germany

1 section) 6.8ma Gm=4300

1 section) 7.8ma Gm=4900

Tested on Amplitrex

Good Ma range 7-10ma

Good Gm range 4500-5500

- Earmax Anniversary
- Lector
- Berning