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Sylvania 7591A - matched pair
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1 matched pair in stock
Item Number: 444
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The 1966 Sylvania 7591A tubes in this precisely matched pair were labeled for Fisher.
They have gray plates and halo getters. Their black octal bases have yellow print with matching date codes.
Both tubes test as new and are matched for both current draw (mA) and transconductance (Gm). They ship in new white boxes.
These tubes are sold as a matched pair. Photo is a sample pair from the lot.
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Price: From $92.00 to $97.00
The Sylvania 7591A tubes in this precisely matched pair have gray plates, halo getters, and coin bases. Flashing may show signs of light use. Both tubes test as new and are precisely matched for both Gm and current draw (mA).
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The 7591A tubes in this precisely matched quad were made by Sylvania and labeled for RCA. They have gray plates and halo getters. All 4 tubes test as new and are precisely matched. Very hard to find matched quads of these vintage hi-fi power tubes!
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The 1960s Westinghouse 7591A tubes in this precisely matched pair were labeled for other companies. They have gray plates and halo getters. Their black octal bases have yellow print with matching date codes. Click "more info" for current availability.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
PLEASE NOTE: Orders placed Feb. 6-Feb. 20 will ship Tuesday Feb. 21.
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