Beautiful Aluminium Guitar radio Knurled aluminium knobs 6mm They should be turned every

They should be turned every so often though most people did not

I have had to revise this listing as this board is widely used in the M series mixers

I believe this was usd with automation so one side a computer would know where the finder was and could move or record its position which would be more difficult with the audio log side

Soundcraft Spirit 4 live pcb SC3213/5 Master RH channel only one in the mixer normally

Beautiful Aluminium Guitar radio Knurled aluminium knobs 6mm They should be turned everyI found these in an old prototype box they was for a small radio unit project that never went into production. They are solid Aluminum with a set screw and was modelled on some 1960 70's kit 6mm standard hole . If these sell I might run some more, very very nice anodized size 29mm wide skirt 15mm height 12. 9mm inner recess (cover nuts etc about 4 5mm deep