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7591A tubes

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Tung-Sol 7591A - matched pair
Tung-Sol 7591 - matched pair
Price: $139.00
Tung-Sol 7591 - matched pair
The 1963 Tung-Sol 7591 tubes in this precisely matched pair have gray plates and halo and side getters. The white print on the base has the Tung-Sol or 3M logo. Both tubes test as new and are matched for both current draw (mA) and transconductance (Gm).
Tung-Sol 7591A - matched quad
Tung-Sol 7591 - matched quad
Price: $289.00
Tung-Sol 7591 - matched quad
The 1963-64 Tung-Sol 7591 tubes in this precisely matched quad have gray plates and halo and side getters. The white print on the base has the Tung-Sol logo. All 4 tubes test as new and are matched for both current draw (mA) and transconductance (Gm).
Westinghouse 7591A - matched pair
Westinghouse 7591 - matched pair
Price: $289.00
Westinghouse 7591 - matched pair
The 1966 Westinghouse 7591 tubes in this precisely matched pair have gray plates and halo and side getters. The yellow labels have the Westinghouse logo and matching date codes (66-17). Both tubes test as new. They are matched for current draw and Gm.
Westinghouse 7591A - matched quad
Westinghouse 7591 - matched quad
Price: $319.00
Westinghouse 7591 - matched quad
The 1966 Westinhouse 7591 tubes in this precisely matched quad have gray plates and halo and side getters. The yellow print on the base has the Westinghouse logo. All 4 tubes test as new and are matched for both current draw (mA) and Gm.
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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.

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