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(!!!!) (BEST PAIR) 7591A Sylvania rebranded GE NOS 1967 (64.5ma and 69.5ma)

(!!!!) (BEST PAIR) 7591A Sylvania rebranded GE NOS 1967 (64.5ma and 69.5ma)

$ 189.99

1 pair) 7591A Sylvania rebranded GE NOS original boxes 1967 (LW)

1 tube) 69.5ma Gm=11,050

1 tube) 64.5ma Gm=10,900

 

Matched on Amplitrex

Vplate=300V

Vscreen=300V

Vgrid=-10V

Good NOS mA = 50-90ma

Good NOS Gm = 9000-10,000

 

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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