Input Sockets
Mic Inputs 1 -2: XLR
Line Inputs 1–4: 6,3mm TRS
Instrument Inputs 3–4: 6,3mm TRS
Source 1 Input: 6,3mm TRS
Source 2 Input: RCA
Source 3 Input: 3,5mm TRS
Midi Input: DIN (5 pins)
SPDIF Input: RCA
Output Sockets
Speaker A Output: XLR
Speaker B Output: 6,3mm TRS
Midi Output: DIN (5 pins)
SPDIF Output: RCA
Headphone Outputs: 6,3mm TRS
Input Impedances
Microphone Input: 10 kOhm
Line Inputs: 10kOhm unbalanced, 20kOhm balanced
Instrument Inputs: 1,1 MOhm
Source 1 Input: 10kOhm unbalanced, 20kOhm balanced
Source 2 Input: 10kOhm
Source 3 Input: 10kOhm
SPDIF Input: 75 Ohm
Output Impedances
Speaker A Output: 75 Ohm unbalanced, 150 Ohm balanced
Speaker B Output: 75 Ohm unbalanced, 150 Ohm balanced
Headphone Outputs: 33 Ohm
Maximum Input Levels
Mic Inputs: +14,5 dBu (Gain fully left)
Line Inputs: +22,5 dBu
Instrument Inputs: +24,0 dBu (Gain fully left)
Source 1 Input: +22,5 dBu
Source 2 Input: +22,5 dBu
Source 3 Input: +22,5 dBu
Maximum Output Levels
Speaker A Output: +22,5 dBu
Speaker B Output: +22,5 dBu
Mic Preamplifier (balanced, XLR)
Gain Control: +8dB - +60dB
Frequency Response: 10Hz - >200kHz
Noise (unweighted, 30dB gain, input termination 150 Ohm): -90 dBu
Equivalent Input Noise: -128 dBu
Common Mode Rejection Ratio: < -70 dBu
THD+N Ratio@1kHz (30dB gain, input termination 150 Ohm): 0,003 %
High Pass Filter: fg = 80Hz, 6dB/Oct.
Phantom Power: 48Volt
Instrument Input (unbalanced, 6,3mm TRS)
Gain Control: -6dB - +31dB
Frequency Response: 10Hz - >200kHz
Noise (unweighted, unity gain, input termination 100 kOhm): -85 dBu
THD+N Ratio@1kHz (unity gain, input termination 100 kOhm): 0,005 %
Line Input (balanced, 6,3mm TRS)
Frequency Response: 10Hz - >200kHz
Noise (unweighted, unity gain, input termination 600 Ohm): -95 dBu
Common Mode Rejection ratio: < -60 dBu
THD+N Ratio@1kHz (unity gain, input termination 600 Ohm): 0,002 %
Source 1 Input (balanced, 6,3mm TRS)
Frequency Response: 10Hz - >200kHz
Noise (unweighted, unity gain, input termination 600 Ohm): -95 dBu
Common Mode Rejection ratio: < -60 dBu
THD+N Ratio@1kHz (unity gain, input termination 600 Ohm): 0,002%
Source 2 Input (unbalanced, RCA)
Frequency Response: 10Hz - >200kHz
Noise (unweighted, unity gain, input termination 600 Ohm): -90 dBu
Noise (unweighted, -10dBV, input termination 600 Ohm): -85 dBu
THD+N Ratio@1kHz (unity gain, input termination 600 Ohm): 0,003 %
THD+N Ratio@1kHz (-10dBV, input termination 600 Ohm): 0,003 %
Source 3 Input (unbalanced, 3,5mm TRS)
Frequency Response: 10Hz - >200kHz
Noise (unweighted, unity gain, input termination 600 Ohm): -88 dBu
Noise (unweighted, +15dB gain, input termination 600 Ohm): -76 dBu
THD+N Ratio@1kHz (unity gain, input termination 600 Ohm): 0,003 %
THD+N Ratio@1kHz (+15dB gain, input termination 600 Ohm): 0,005 %
Headphone Outputs (stereo, 6,3mm TRS)
Frequency Response: 10Hz - >200kHz
Power@0dBu: 47 Ohm load: 13 mW/300 Ohm load: 1,7 mW/600 Ohm load: 1,0 mW
Power max: 47 Ohm load: 670 mW/300 Ohm load: 265 mW/600 Ohm load: 150 mW
THD+N Ratio@1kHz (Power@0dBu): 47 Ohm: 0,0026 %/300 Ohm: 0,002 %/600 Ohm: 0,002 %
AD Conversion
Sample Rates: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Dynamic range converter chip (manufacturer's specification): 115 dB
Dynamic range measured via Line Input > AD Converter > DAW > SPDIF Output:
44.1kHz: 110dB, 48kHz: 110dB, 96kHz: 107dB (unweighted)
THD+N ratio @ 1kHz (-1dBFS): 44.1kHz: 0,01 %, 48kHz: 0,01 %, 96kHz: 0,01 %
0dBFS = +15 dBu
DA Conversion
Dynamic range converter chip (manufacturer's specification): 115 dB
Dynamic range measured via SPDIF Input > DAW > DA Converter > Speaker Output:
44,1kHz: 106dB, 48kHz: 106dB, 96kHz: 104dB (unweighted)
THD+N ratio @ 1kHz (-1dBFS): 44,1kHz: 0,006 %, 48kHz: 0,006 %, 96kHz: 0,007 %
Power Supply
External Power Supply, Input 100–240V AC/50–60 Hz; Output 12V DC/1,5A
Internal Power Supplies: Audio: +/-17V, Digital: +5V and +3,3V
Power Consumption: 16.8 watts
Dimensions and Weight
Housing (BxT=bottom panel w/o sockets, H w/o controls)
H x W x D: 60 x 330 x 207 mm
H x W x D: 2.36 x 13 x 8.15 inch
Weight: 2,7 kg / 5.95 lbs
Notes: 0dBu = 0,775 V. Specifications are subject to change without notice.