Line/Insert Input & Output; XLR (balanced)
Maximum input level	22 dBu
Maximum output level	21.5 dBu
Input impedance	20 dBu
Output impedance	50 Ω
Common mode rejection (1 kHz)	-80 dBu
Frequency range (Tube Gain +6 dB, 600 Ω, -3 dB)	10 Hz – 45 kHz
Frequency range (Tube Gain +15 dB, 600 Ω, -3 dB)	10 Hz – 35 kHz
THD + N (10 Hz – 22 kHz, 0 dB, Line input)	0,022 %
Noise (A-weighted, Line input)	-94,7 dBu
THD + N (10 Hz – 22 kHz, 0 dB, De-Esser)	0,002 %
Noise (A-weighted, De-Esser)	-97 dBu
THD + N (10 Hz – 22 kHz, 0 dB, Compressor)	0,004 %
Noise (A-weighted, Compressor)	-97 dBu
THD + N (10 Hz – 22 kHz, 0 dB, EQ-Tube)	0,01 %
Noise (A-weighted, EQ-Tube)	-91 dBu
THD + N (10 Hz – 22 kHz, 0 dB, entire channel strip)	0,03 %
Noise (A-weighted, entire channel strip)	-91 dBu
Dynamic range (unweighted)	> 112 dB
Microphone input; XLR (balanced)
Maximum input level (Mic, 13 dB gain)	9 dBu
Input impedance	10 kΩ
Frequency range (Tube Gain +6 dB, -3 dB)	20 Hz – 45 kHz
Frequency range (Tube Gain +15 dB, -3 dB)	20 Hz – 35 kHz
THD + N (10 Hz – 22 kHz, 30 dB Gain)	0,024 %
Noise (A-weighted, 150 Ω, 30 dB Gain)	-91.5 dBu
E.I.N. (150 Ω)	-127 dBu
Instrument input; TS Jack (unbalanced)
Maximum input level (Instrument, 6 dB gain)	11.5 dBu
Input impedance	1 MΩ
Frequenzgang (Tube Gain +6 dB, 600 Ω, -3 dB)	10 Hz – 45 
Frequenzgang (Tube Gain +15 dB, 600 Ω, -3 dB)	10 Hz – 30 
THD + N (10 Hz – 22 kHz, unity gain)	0.03 %
Noise (A-weighted, 100kΩ, 1:1 Gain)	-95.5 dBu
Internal Linear Power Supply with Toroidal Transformer
Operating voltage for analog audio	+/- 15 V
Operating voltage for relays and LEDs	+12 V
Operating voltage for optional ADC192	+5 V V
Tubes anode voltage	+250 V
Tubes heating voltage	+12.6 V
Phantom power	+48 V
Mains Power Supply
Mains voltage (selectable)	230 V AC / 50; 115 V AC / 60 Hz
Fuse for 230 V	T 315 mA
Fuse for 115 V	T 630 mA
Power consumption	max. 30 W
Dimensions & Weight
W x H x D (width x height incl. feet x depth)	482 x 88 x 261 mm
	19 x 3.46 x 10.28 inch
Unit weight	5.7 kg
	12.57 lbs
Shipping weight (incl. packaging)	7.3 kg
	16.09 lbs