MINIMUM GAIN 8.5 dB MAXIMUM GAIN 65 dB (*up to 85 dB on rqst) FREQUENCY RESPONSE (Active) +0 / -3 dB sub 3 Hz to beyond 300 kHz (varies with topology) FREQUENCY RESPONSE, DIT-01 TRANSFORMER sub 3 Hz to beyond 300 kHz (+/- 3 dB) NOISE @ 60 dB Gain, Mic Input -129 dB EIN, common inputs NOISE @ 10 dB Gain, Line Input -105 dBu NOISE @ 10 dB Gain, DI Input -90 dBu (s/s) TOTAL HARMONIC DISTORTION + NOISE, 35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out < .001%, Typ. < .0005% (< 5 PPM) INTERMODULATION DISTORTION (50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out < .0009% Typ. PHASE RESPONSE 35 dB Gain, 50 Hz - 20 kHz bandwdth, +27 dBu Out < Less than 5 degrees deviation COMMON MODE REJECTION RATIO 35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M. > 60 dB, Typ. > 80 dB SLEW RATE DI INPUT, 35 dB Gain, +27 dBu Out Minimum 40 Volts per microsecond MAXIMUM INPUT LEVEL, MIC +23 dBu unpadded MAXIMUM INPUT LEVEL, LINE +23 dBu unpadded (+43 dBu with pad = 110 Volts RMS or 300 Volts Peak to Peak) MAXIMUM INPUT LEVEL, TUBE DI +18 dBu unpadded (+25 dBu with pad = 14 Volts RMS or 39 Volts Peak to Peak) MAXIMUM INPUT LEVEL, FET DI +18 dBu unpadded (+26 dBu with pad = 15.5 Volts RMS or 44 Volts Peak to Peak) MAXIMUM OUTPUT LEVEL, ACTIVE BALANCED +32 dBu MAXIMUM OUTPUT LEVEL, ACTIVE UNBALANCED +26 dBu MAXIMUM OUTPUT LEVEL, DIT-01 TRANSFORMER Nominal Mic Level PHANTOM INPUT IMPEDANCE @ 20 Hz 6,700 Ohms PHANTOM INPUT IMPEDANCE @ 20 kHz 6,800 Ohms LINE INPUT IMPEDANCE, NOMINAL 6,900 Ohms DI INPUT IMPEDANCE, NOMINAL Switch Selectable @ 470K, 2M, and 10M OUTPUT IMPEDANCE, ACTIVE BALANCED 24.3 ohms (x2) OUTPUT IMPEDANCE, ACTIVE UNBALANCED 49.9 ohms OUTPUT IMPEDANCE, DIT-01 TRANSFORMER 150 ohms PHANTOM POWERING +48 VDC, +/- 2 VDC EQUALIZER MAXIMUM BOOST & CUT +/- 15 dB (21 Step Detent) EQUALIZER "Q" ADJUSTMENT RANGE Q = 0.4 to 4.0, sweepable EQUALIZER LF SWEEP FREQUENCIES 20 Hz to 220 Hz ~or~ 200 Hz to 2.2 kHz (Switch Selectable) EQUALIZER HF SWEEP FREQUENCIES 250 Hz to 2.5 kHz ~or~ 2.5 kHz to 25 kHz (Switch Selectable) BYPASS SELECTION SWITCH FOR EACH E.Q. BAND? YES PARAMETRIC E.Q. IN / OUT SWITCH? YES POWER REQUIREMENTS 100 to 240 VAC, User Selectable (50-60 Hz), 40W nominal DIMENSIONS 8.5" W x 13" D x 3.5" H (21.6 cm W x 33 cm D x 8.9 cm H) WEIGHT 15 Pounds (6.8 kg)