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  1. OriginalKeyster
    Thread

    No longer available Groove Tubes STB-P Preamp **Reduced**

    [ATTACH] Groove Tubes STB-P Tube Preamp for Bass (basis for the SWR Studio 220). I ran my '73 PJ through it into an Ampeg rig, gave it a nice,...
    Thread by: OriginalKeyster, Jun 9, 2018, 1 replies, in forum: For Sale: Amps, Preamps, and Cabinets
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