(!!) (Best Pair) ECC40 Philips Import NOS made by La Radiotechnique, Chartres/France 1960 (6.0/6.2ma and 6.1/6.4ma) (Same Gm) 1-2% matched Title: ECC40 Pair

1 pair) ECC40 Philips Import NOS made by La Radiotechnique, Chartres/France 1960

1 tube) 6.0/6.2ma Gm=2700/2800

1 tube) 6.1/6.4ma Gm=2700/2800

Vplate=250V

Vgrid=-5.6V

Good Ma = 6ma

Good Gm = 2600-2900

– Lampizator DAC