(!!) (Best Pinched Waist 1956) E80F=6084 Philips Miniwatt Holland NOS Rugged Reliable Long-Life "Pinched Waist" with "D" getter halo 1956 (3.1ma)

1 tube) E80F=6084 Philips Miniwatt Holland NOS Rugged Reliable Long-Life "Pinched Waist" with "D" getter halo 1956 (3.1ma Gm=1900)

1 TUBE, NOT A PAIR

Tested on Amplitrex

Vplate=250V

Vscreen=100V

Vgrid=-2

Good Ma = 3ma

Good Gm = 1700-1800

E80F=6084 Holland (sub for EF86)
(clear and lively upper midrange, gold pins, tall bottle, 10,000 hours rated life)