Audio Input
Connectors: XLR and Õ in. jack

Type: RF filtered, servo-balanced input

Impedance: 50 kOhm balanced, 25 kOhm unbalanced

Nominal Operating Level: +4 dBu/-10 dBV switchable

Max. Input Level: +21 dBu balanced and unbalanced

CMRR: typ. 40 dB, >55 dB @ 1 kHz

Audio Output
Connectors: XLR and Õ in. jack

Type: electronically servo-balanced output stage (optional transformer-balanced)

Impedance: 60 Ohms balanced, 30 Ohm unbalanced

Max. Output Level: +21 dBu, +20 dBm balanced and unbalanced

SC Input
Connector: Õ in. jack

Type: RF-rejecting, DC de-coupled, unbalanced input

Impedance: >10 kOhm

Max. Input Level: +24 dBu

SC Output
Connector: Õ in. jack

Type: RF-rejecting, DC de-coupled, unbalanced output

Impedance: 2 kOhm

Max. Output Level: +21 dBu

System Specifications
Bandwidth: 20 Hz to 20 kHz, +0/-0.5 dB

Frequency Response: 0.35 Hz to 200 kHz, +0/-3 dB

Noise: > 95 dBu, unweighted, 22 Hz to 22 kHz

THD: 0.008 % typ. @ +4 dBu, 1 kHz, Gain 1
0.04 % typ. @ +20 dBu, 1 kHz, Gain 1

IMD: 0.01 % typ. SMPTE

Crosstalk: < -100 dB, 22 Hz to 22 kHz

Stereo Coupling: true RMS detection

Expander/Gate Section
Type: IRC (Interactive Ratio Control) Expander

Threshold: variable (OFF to +15 dB)

Ratio: variable (1:1 to 1:8)

Attack: <1 ms / 50 dB, program dependent

Release: variable (SLOW: 100 ms / 1 dB, FAST: 100 ms / 100 dB)

Compressor Section
Type: IKA (Interactive Knee Adaption) Compressor

Threshold: variable (-40 dB to +20 dB)

Ratio: variable (1:1 to oo:1)

Threshold characteristics: variable (Interactive or Hard Knee)

Auto characteristics: Wave Adaptive Compressor

Manual Attack Time: variable (0.5 ms / 20 dB to 100 ms / 20 dB)

Manual Release Time: variable (0.05 ms / 20 dB to 5 s / 20 dB)

Auto Attack Time: typ. 15 ms at 10 dB, 5 ms at 20 dB, 3 ms at 30 dB

Auto Release Time: program dependent, typ. 125 dB/s

Output: variable (-20 to +20 dB)

Peak Limiter Section
Type: IGC (Interactive Gain Control) Peak Limiter

Threshold: variable (+4 dB to OFF (+22 dBu))

Ratio: oo:1

Stage 1 Limiter Type: Clipper

Attack: "zero"

Release: "zero"

Stage 2 Limiter Type: Program Limiter

Attack: program dependent, typ. < 5 ms

Release: program dependent, typ. 20 dB/s

Function Switches
SC Extern: switches the detector section to the external SC input

SC Mon: monitoring the external SC input, disengaging the normal audio

INTERACTIVE enables the ihInteractive Knee Adaptionlt characteristics

Contour: allows for frequency dependent detection

Auto: enables the automatic and program dependent setting of the Attack-/Release times, disengaging the manual Attack-/Release controls

I/O Meter: switches between input and output for the level meter

In/Out: relay controlled hard-bypass

Operating Level: changes the internal reference level from +4 dBu to -10 dBV

Couple: linking both channels for stereo operation and channel 1 becomes master

Indicators
Gain Reduction: 12 element LED display: 1/2/4/6/9/12/15/18/21/24/27/30 dB

Input/Output Level: 12 element LED display: -30/-24/-18/-12/-6/0/+3/+6/+9/+12/+18 dB

Expander/Gate Threshold: 2 LED for under "+" and above "-"

Compressor Threshold: 3 LEDs for under "+", Interactive "0" and above "+"

Peak Limiter Threshold: 1 LED for Indication of Limiter function

Function switch: LED indicator for each

Options
Output Transformer: Behringer transformer OT-1 refittable

Power Supply
Mains Voltage: USA/Canada ~ 120 V AC, 60 Hz

Power Consumption: 5 Watts

Mains Connection: standard IEC receptacle

Physical
Dimensions (H x W x D): 1-3/4 x 19 x 8-1/2 in. (44.5 x 482.6 x 217 mm), approximately

Net Weight: 2.2 kg, approximately

Shipping Weight: 3.4 kg, approximately