One piece of universal prototyping board using high quality FR4 and many PTHs (plated through holes).
The board can cater for two 7-pin tube sockets and two 8-pin sockets such as 4P1S tube.
Please look at the pictures below for the tube base combination.
PCB dimension: 160mm x 110mm. PCB thickness 2.0mm
Double-sided plated with gold-plating metal surface.
