7591 Westinghouse branded RCA NOS 1963 (NG)

51.5ma

Gm=9050

Tested on Amplitrex

Vplate=300V

Vscreen=300V

Vgrid=-10V

Good Ma used = 40-50ma

Good Gm used = 8000-9000

Recommended for

AUDIO GUILD CORP BONHAM 330 1960's
Ampeg Gemini II G-15
Ampeg Reverberocket II 1960's
McIntosh 225
Mcintosh MA230 early 60's
McIntosh MAC-1500 1965
Scott
Harmon Kardon
Fisher Receivers
Sansui
Sherwood S5000II

McIntosh 225
Fisher 500C 1964
Scott 299C
Scott LK-72
Scott 340B 1964
Univox U305R
Sansui 1000a 1970
Eico ST-70