Features and Specifications

• Mono-Inputs (Mic/Line) with Inserts: 24
• Stereo-Line/Mono-Mic-Input Channels: 4/4
• Stereo-Effect-Returns (Line): 4
• Stereo-Tape-Return (Line): N/A

Busses: 15

• Subgroups: 4
• Aux Pre-Fader (Monitor): 2
• Aux Post-Fader (Effects): 2
• Aux switchable Pre/Post-Fader: 2
• Master L/R: 2
• Mono-PFL: 1
• Stereo-AFL: 2

Outputs

• Subgroups (with Inserts): 4 impedanced balanced 1/4 inch jacks
• Aux Pre-Fader (Monitor): 2 XLR (balanced)
• Aux Post-Fader (Effects): 2 impedanced balanced 1/4 inch jacks
• Aux switchable Pre/Post-Fade:r 2 XLR (balanced)
• Master (with Inserts): 2 XLR (balanced)
• Master B Out (switchable Mono/Stereo, pre-post Fader): 2 XLR (balanced)
• Tape Send (Recording): 1 Stereo (Phono)
• Direct Outputs (1/4 inch Jack): 24
• Stereo-Headphones: 2 Stereo-1/4 inch jack
• Stereo-Speakers: 2 impedanced balanced 1/4 inch jacks

Additional Features

• Connector for desk lamps: 2 x 12V/5W (4-Pin XLR)
• 19"-rack-mounting- kit: no
• rotatable connector panel: no

Accessories

• Dust Cover (included)
• 12 V Desk Lamp (not included)
• Input Transformer (not included)

Technical Data

Input Impedance

• Mic: 2k§Ù Balanced
• Line: 20k§Ù Balanced

Input Gain

• Mic: Continuously variable 0dB to +60dB
• Line (Mono Channell): Continuously variable -20dB to +40dB
• Line (Stereo Channel): Continuously variable -10dB to +20dB
• Line Level Inputs: 0dB

Maximum Input Level

• Microphone and Line: +22dBu
• Line Level Inputs (Mono): +42dBu
• Line Level Inputs (Stereo): +22dBu

CMR at 1kHz

• Mic (Gain +30dB): > 80dB
• Line: > 40dB

CMR at 100Hz

• Mic (Gain +30dB): 70dB typical

Frequency Response (20Hz-20kHz)

• Mic to Mix (Gain +60dB): + 0dB to -1dB

Noise (20Hz-20kHz)

• Mic EIN ref. 150§Ù gain +60dB: -129dBu
• Mic EIN ref. 150§Ù gain 0dB: -107dBu

System Noise (20Hz-20kHz)

• Summing Noise (12 channels routed, faders down): -90dBu
• Line to Mix Noise (12 channels routet at 0dB): -84dBu

Distortion at 1kHz

• Mic to Insert (+30dB Gain. +20dBu Output): Typ 0,0007%
• Mic to Master (+30dB Gain, +20dBu Output): < 0,009%

Crosstalk at 1kHz

• Channel to Channel: < -80dB
• Mix to Mix: < -80dB
• Channel to Mix: < -80dB
• Fader Attenuation: > 100dB
• Switch Rejection: > 100dB

Output Impedance

• Line Outputs: 75§Ù balanced
• Headphones: to drive 32§Ù

Maximum Output Level

• Master Outputs: +25dBu
• Line Outputs: +22dBu
• Headphones: +22dBu / 600§Ù

Nominal Signal Level

• Microphone: - 60dBu to 0dBu
• Line: 0dBu

Equaliser Mono Channel

• Hi Pass Filter: 2nd order Butterworth, 80Hz
• Treble: +/-15dB at 12kHz (Shelv)
• Hi Mid: Continuously variable 100Hz to 2kHz (1 Oct) +/-15dB
• Lo Mid: Continuously variable 400Hz to 8kHz (1 Oct) +/-15dB
• Bass: + /-15dB at 80Hz (Shelv)

Equaliser Stereo Channel

• Treble: +/-15dB at 12kHz (Shelv)
• Hi Mid: 3kHz (1,4 Oct) +/-15dB
• Lo Mid: 300Hz (1,4 Oct) +/-15dB
• Bass: +/-15dB at 80Hz (Shelv)

Size (mm/inch)

• Width: 906 / 35.7" 
• Depth: 568 / 22.4"
• Heights: 194 / 7.6"

Weight (kg/lb)

• 25,8 / 56.9