Technical Specification DUAL CHANNEL, CLASS A, '73-STYLE BRITISH MICROPHONE PREAMP WITH EQ UK MADE CARNHILL TRANSFORMERS UK MADE - BLORE EDWARDS EQ DUAL-CONCENTRIC SWITCH POTENTIOMETERS HAND WIRED, HAND ASSEMBLED 80DB OF GAIN - RESISTOR STEPPED GAIN SWITCH FULLY DISCRETE TONE BUTTON - CHANGES INPUT TRANSFORMER IMPEDANCE FOR VARYING TONE POLARITY SWITCH 48V PHANTOM POWER LOW BAND BOOST/CUT - 35, 60, 110, 220 HZ MID BAND BOOST/CUT - 360, 700, 1600, 3200, 4800, 7200 HZ HIGH BAND BOOST/CUT - 10, 12, 16 KHZ ADDITIONAL HIGH BAND FREQUENCY EQ POINTS ADDED (COMPARED TO VINTAGE 1073) 4 POSITION INDUCTOR BASED HIPASS FILTER - 50, 80, 160, 300 HZ XLR MIC INPUTS (FRONT & BACK) LINE LEVEL TRS INPUT TS SEND/RECEIVE INSERT JACKS XLR & TRS LINE LEVEL OUTPUTS DIRECT IN, INSTRUMENT INPUT OUTPUT CONTROL LED LEVEL INDICATION FREQ RESPONSE 20HZ - 20KHZ +/-.5 DB 19" RACKMOUNTABLE INTERNAL IEC 115V/230V POWER INLET