Frequency Response | 20 to 20,000 Hz r2.0 dB (channel controls centered) |
Voltage Gain | Input= Low-Z Mic (150 O), Line, Monitor; Line= 78dB, 28dB, -; Mic= 28dB, -22dB, -; Headphones= 89dB, 39db, 11db; tape= 66dB, 16dB, - |
Inputs | Input= Mic, Line, Monitor; Impendance Designed for Use with= 19 to 600 O, -< 10kO, -< 1kO; Impendance Actual (internal)= 1kO, 50kO, 10kO; Input Clip Level= -10dBV, 36dbV, 21dBV |
Outputs | Input= Mic, Line, Tape, Headphones; Impendance Designed for Use with= Low-Z inputs, 600 O, >10kO, 8to 200 O; Impendance Actual (internal)= 1 O, 150 O, 2.2kO, 300 O; Output Clip Level= -31dBV, 18dBm, 3dBV, 11dBV |
Total Harmonic Distortion | 0.25% THD at 4 dBm output, 50 to 20,000 Hz. |
Equivalent Input Noise | –127 dBV with 150 = source, 20 to 20,000 Hz. |
Output Noise | Master level fully CCW= d –100 dBV, 20 to 20,000 Hz; Master level fully CW= d –80 dBV, 20 to 20,000 Hz |
Common Mode Rejection Ratio | 65 dB at 100 Hz, –20 dBV input |
Polarity | Mic/Line In to Mic/Line Out= Non-Inverting; Mic/Line In to Headphones= Non-Inverting; Mic/Line In to Tape Out= Non-Inverting; Mic/Line to Mix Bus= Inverting; Monitor In to Headphones= Non-Inverting |
Overload and Shorting | Shorted outputs, even for prolonged periods, cause no damage. Microphone inputs of up to 3 Vrms cause no damage. The Line and monitor inputs can withstand signals of up to 30 Vrms |
Input Channel Bi-Color LEDs | Green= Signal presence; visual indication of mix level; Red= 6 dB below clipping level |
Output Peak/Limiter Bi-Color LEDs | Green= Output being limited by 1 dB or more. Red= Output peak threshold reached; factory set at 17 dBm; user adjustable from 0 to 17 dBm |
Output Clipping Level | -> -18 dBm at line output into 600 O |
Low–Cut Filters | 6 dB down at 150 Hz; 6 dB/octave slope |
Pan Attenuation Level | 45 dB |
Tone Oscillator | 1 kHz r10% |
Slate Tone Oscillator | 400 Hz r10% |
Limiter | Threshold= Adjustable; 0 dBm to 15 dBm; Attack Time= 1 ms; Release Time Constant= Selectable; 100 ms or 1 s; Indicator= Green when limiting by 1 dB or more |
Microphone Power | 12 V Phantom= 12 V through matched 680 O; 48 V Phantom= 48 V through matched 6.8 kO; 12 V T (A–B)= 12 V through matched 180 O |
Mixer Power | Internal= Two 9 V alkaline batteries; External= 12–30 Vdc to dc In jack; non–polarized; Current Drain= Approximately 41 mA (idle) at 18 V; Battery Life= 8 hours minimum, typical |
Temperature Range | Operating= 0q to 60q C (32q to 140qF); Storage= –40q to 85q C (–40q to 185q F) |
Overall Dimensions (H x W x D) | 58 mm x 184 mm x 161 mm (7–1/4 x 6–3/8 x 2–1/4 in.) |
Net Weight (without batteries) | 1.6 kg (3.5 lbs) |