(!!!) (Recommended Pair) 7591A GE coin-base NOS original boxes 1981 (79ma and 83ma)
By Tube World
$ 189.99
1 pair) 7591A GE coin-base NOS original boxes 1981 (RS)
1 tube) 79ma Gm=11,600
1 tube) 83ma Gm=12,400
Tested on Amplitrex
Vplate = 300
Vscreen = 300
Vgrid = -10
Good Ma range 50-60
Good Gm range 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
See more: vacuum tube
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 (Recommended Pair) 7591A GE coin-base NOS original boxes 1981 (79ma and 83ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_bb7993a4-b365-4f8b-bcf5-f83175d1eba5.jpg?v=1697693414){kind=link}
 (Recommended Pair) 7591A GE coin-base NOS original boxes 1981 (79ma and 83ma) "Pin It")