Sigtronics Stereo Switcher 11-34 Volts P/N RES-600 (0518-371) shipping_upsground_10 Beech 400/400A Retainer - Side

Beech 400/400A Retainer - Side Window Forward Fuselage

Valve bench tested good by an experienced A&P

Removed in working condition from a parted out 1972 Cessna T310Q N102HC

Please see pics for minor blemishes to seats

Sigtronics Stereo Switcher 11-34 Volts P/N RES-600 (0518-371) shipping_upsground_10 Beech 400/400A Retainer - SideSigtronics Stereo Switcher. 11 34 Volts. P N RES 600. S N 1050408. This unit was purchased in a large lot from an aviation business that specialized in "high end" aircraft upgrades including avionics upgrades. This unit was working when removed. We are selling this unit with a warranty but we are unable to test. 30 Day Money Back Guaranteed less shipping costs. It is the buyers responsibility to determine the parts suitability for installation and