[Amps] FS-Conduction Cooled Tubes

[Byron Tatum]

Hello- For Sale Conduction Cooled Tetrodes :
        Qty. 2 of Amperex 4CS250H / SD621 NIB, in sealed wrappers
                These are conduction cooled 4CX250 type tubes with integral berullium block attached to                         tube.Dated 12-84.    
        Qty. 3 of Motorola 4657, these are identical to 8072, NOS. Two are in boxes, one is in wrapper.
    Package price all 5 tubes 75.00 plus shipping. Thanks, Byron.