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7591A Sylvania branded RCA NOS (62.5ma, Gm=10,450)

7591A Sylvania branded RCA NOS (62.5ma, Gm=10,450)

$ 98.88

1 tube) 7591A Sylvania branded RCA NOS

62.5ma

Gm=10,450

 

Tested on Amplitrex

Vplate = 300

Vscreen = 300

Vgrid = -10

Good Ma range 50-60

Good Gm range used 9,000 - 10,000

 

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

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