Tung-Sol 6550 Tube Hard/Blue Duet #1931ru

Tung-Sol 6550 Tube Hard/Blue DuetA Reissue of the Classic 6550 Tungsol type 3 triple getter version. It is more dynamic and 3-dimensional than any other 6550.
Tung-Sol 212230.381.185 – Tung-Sol 6550 Tube Hard/Blue Duet – musical instruments

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