Line/Insert inputs & outputs; XLR (balanced) & Jack (unbalanced) Maximum input gain: 23 dBu Input impedance: 10 dBu Maximum output gain (balanced): 26,8 dBu Maximum output gain (unbalanced): 21.5 dBu Output impedance: 50 Ω Common mode rejection (1 kHz, 0 dBu): 70 dB Frequency range (-3 dB): 10 Hz – 90 kHz THD + N (0 dBu, Line Gain unity, Tube Gain +6 dB, 10 Hz – 22 kHz): 0,04 % Noise (A-weighted, 600 Ω): -88,5 dBu Dynamic range: 110 dB

Microphone Preamplifier Maximum input gain (Mic): 7 dBu Maximum input gain (Mic, PAD): 28 dBu Input impedance (Mic): 2.8 kΩ CMMR: 75 dB Frequency range (Tube Gain +6 dB, -3 dB): 10 Hz – 93 kHz Frequency range (Tube Gain +12 dB, -3 dB): 10 Hz – 61 kHz Frequency range (Tube Gain +18 dB, -3 dB): 10 Hz – 34 kHz THD + N (1 kHz, 30dBu Gain): 0.016 % Noise (A-weighted, 150 Ω, 30 dB Gain): -91.2 dBu E.I.N.: -128 dBu Dynamic range: 110 dB

Instrument Preamplifier Maximum input gain (Instrument): 7 dBu Maximum input gain (Instrument, PAD): 14 dBu Input impedance (Instrument): 1 MΩ Frequency range (Tube Gain +6 dB, 600 Ω, -3 dB): 10 Hz – 68 kHz Frequency range (Tube Gain +12 dB, 600 Ω, -3 dB): 10 Hz – 51 kHz Frequency range (Tube Gain +18 dB, 600 Ω, -3 dB): 10 Hz – 35 kHz THD + N (Tube Gain +6 dB, 10 Hz – 22 kHz): 0,05 % Noise (A-weighted): -95.5 dBu Dynamic range: 105 dB

Internal Linear Power Supply with Toroidal Transformer Operating voltage for analog audio: +/- 18 V Operating voltage for relays and LEDs: +12 V Tube anode voltage: +250 V Tube heating voltage: +12,6 V Phantom power: +48 V

Mains Power Supply Mains voltage (selectable): 230 V AC / 50; 115 V AC / 60 Hz Sicherung für 230 V: T 315 mA Sicherung für 115 V: T 630 mA Power consumption: max. 25 W

Dimensions & Weight W x H x D (width x height x depth): 482 x 88 x 210 mm Unit weight: 4.1 kg Shipping weight (incl. packaging): 6.5 kg