One piece of universal prototyping board using high quality FR4 and many PTHs (plated through holes). The board can cater for :
4 big 8-pin sockets( 6SN7, KT88, EL34 etc.);
8 9-pin sockets maximum (12AX7, 6DJ8, 12AU7, EL84 etc.);
and 12 7-pin tube sockets maximum(6X4 ,6Z31, EZ90,CV493 etc.)
PCB dimension: 20cm x 15cm. PCB thickness 1.6mm
