The Teac RD-111T is a 8 channel recorder with excellent performance. It will record 2 channels from DC to 20 kHz, 4 channels from DC to 10 Khz and all 8 channels from DC to 5 Khz. Signal to noise ratio is 70 db. Flatness is within 1 db. Input and output are made through BNC jacks to special DB25 inputs on the front panel. Recording time is two hours with a 120 tape. Phase difference is less than 5 degrees per channel.