1 low noise tube) ECC88=6DJ8 Siemens Germany Tektronix checked small "o" getter halo 1971 used/good in white box

Amplitrex Test Data

1 section) 12.5ma Gm=9500

1 section) 16.2ma Gm=11,400

Good Ma range 12-15ma

Good Gm range 11000-13000

Recommended for

- Manley Chinook
- Scott Nixon DAC
- Rode K2 mic
- Sunfire Classic Vacuum Tube Control Center
- Woo Audio WA3+
- Pathos Classic One MK III preamp
- Audio Horizons phono