TRIO TR-641 MD

tr-641 md frequency response ( mic/ line input ) min gain 10 hz - 20 khz 0.05 db max gain  40 hz-20 khz 0.05 db distortion ( thd) frequency 1 khz @ + 20 db better than 0.03% equlizer+/- 12 db ( mic/line input ) lf 100 hz ,hf 5 khz noise measured 20 hz-20 khz mic/line input ref 150 r < 123 dbu common mode rejection  ratio mic/line input > 50 db stereo input > 50 db hub& noise 20 hz- 20 khz ( echo off ) < - 30 dbu gain ref pgm , monitor and headphone microphone input 31 db to 74 db line input - 3 db to 40 db return input  17 db send & record output - 14 db mic maximum input level ( min gain ) 3 dbu line maximum input level ( min gain ) 40 dbu stereo miximum input level ( min gain ) 28 dbu mic input impedance > 2 k ohms active balance line input balance > 10 k ohms active balance return input impedance > 10 k ohms active balance audio output impedance > 100 ohms echo delay time control 200-400 ms dimension ( w x h x l ) 280 x 320 x70 mm weight 4.0 kg