Yamamoto Nine Pin To Seven Pin Socket Conversion Plate Model 19-16.

Yamamoto Nine Pin To Seven Pin Socket Conversion Plate Model 19-16. 

Diameter of the hole for the base 19mm. Diameter of the hole of the plate 16mm. The distance between the two screws for the base 28.6mm. The distance between the two screws of the plate 22.2mm. This adapter is used for installing a seven pin tube socket on an amplifier that previously used a nine pin tube socket. Made from 3mm thick rugged black Bakelite. Mounting screws and nuts are included by Yamamoto. We offer the world's lowest know price for this conversion plate.