Technical Specifications:
Level specs, digital, in dBFS: dB, referenced to full modulation (dBFS, dB Full Scale)
Level specs, analog, in dBu: 0 dBu 0.775 Vrms
Level specs, analog, in dBuFS: Level in dBu for full modulation ( 0 dBFS)
Sampling rate: 48 kHz ±100 ppm (internally synchronized)
Headroom adjustable: 9 to 19 dB
Default setting: 9 dB
Output level: 15 dBu @ 0 dBFS
All input faders set to their 0 dB position. External analog sources: Source impedance
< 200 W. Frequency range: 20 Hz to 20 kHz, if not stated otherwise.
Microphone Input Units Microphone input units have A/B-switchover and are equipped with a balancing
transformer and XLR connectors. The signal is routed to an electronically balanced,
analog insert point before the A/D-converter.
Input sensitivity –60 to +20 dBuFS (with 9 dB headroom: –69 to +11 dBu)
Gain setting in steps of 1 dB
Phantom power, switchable 48 V
Frequency response ±0.5 dB
High-pass filter (12 dB/Octave) –3 dB @ 75 Hz ±5 Hz, switchable
Input impedance > 1 kW
Insert level +15 dBuFS (with 9 dB headroom: +6 dBu)
A/D converter 24 bit (Delta-Sigma, 64 × oversampling)
Dynamics typ. 102 dB (unweighted)
THD+N < –85 dBFS, 20 Hz to 20 kHz, @ –1 dBFS
THD+N < –100 dBFS, 20 Hz to 20 kHz, @ –30 dBFS
Noise figure typ. < 4 dB @ max. gain, bandwidth 20 kHz, Rs = 200 W
Common mode rejection > 50 dB @ 15 kHz, > 75 dB @ 50 Hz
Line Level Input Units Analog line level input units have A/B-switchover and are equipped with an electronically
balanced input and XLR connectors.
Input sensitivity for 0 dBFS 0 to +24 dBuFS (with 9 dB headroom: –9 to +15 dBu)
Gain setting in steps of 1 dB
Frequency response ±0.1 dB
Input impedance > 10 kW
A/D converter 24 bit (Delta-Sigma, 64 × oversampling)
Dynamics typ. 102 dB @ +15 dBuFS (unweighted)
THD+N < –94 dBFS, 20 Hz to 20 kHz @ –1 dBFS
THD+N < –100 dBFS, 20 Hz to 20 kHz @ –30 dBFS
Common mode rejection > 47 dB @ 50 Hz to 15 kHz
Digital InputUnits Digital input units have A/B-switchover. AES/EBU (AES3-1992) and S/PDIF
(IEC 958) formats are supported; XLR, Cinch/RCA, and TOSlink connectors are
available.
All digital input units are equipped with a sampling frequency converter (SFC).
SFC resolution 20 Bit
Input sampling rate 30 to 54 kHz
THD+N < –105 dBFS @ 1 kHz, 0 dBFS
Frequency response ±0.1 dB
Input impedance 110 W (XLR connectors); 75 W (Cinch/RCA connectors)
Analog Outputs Analog outputs are transformer-balanced with XLR connectors.
Output level +4 to +24 dBu @ RL = 100 kW;
+4 to +23 dBu @ RL = 300 W
D/A converter 24 bit (Delta-Sigma, 128 × oversampling)
Dynamics typ. 101 dB (unweighted)
THD+N < –90 dBFS @ 1 kHz, –1 dBFS
Frequency response ±0.2 dB
Output impedance < 40 W
Digital Outputs Digital outputs are equipped with two independent outputs according to the
AES/EBU standard (AES3-1992). On each of these outputs, the same signal is fed
to two XLR sockets with individual buffers.
Output level 2 to 5 V
Output impedance 110 W
Equalizer Treble control (High) 5 kHz/10 kHz: ±15 dB (depending on Customer Code setting; refer to 11.2.11)
Equalizer (Mid) 200 Hz to 10 kHz: ±15 dB
Bass control (Low) 200 Hz/400 Hz: ±15 dB
Crosstalk Attenuation
Between channels > 90 dB
Input fader attenuation > 100 dB
Power Supply Redundant power supply
Mains voltage 100 to 240 V, 50/60 Hz (auto-ranging)
Power consumption 130 VA typ.
DC operation 24 VDC +15/–10 %; typ. 5 A @ 24 V