This is a 1970s Yamaha PM-430 Sound Reinforcement Mixer. 8 Channels/8 Inputs. Switchable input level. Db calibrated fader controls. Wide choice of I/O. Switchable VU meters and LEDs. Sturdy construction. Tested and works. Includes manual. $450. It is in Penryn. Call show contact info
to see it/buy it.