General Audio:
Frequency Response: 2 dB 100 Hz to 8 kHz
Distortion (THD+N): less than 0.5%, measured at 1 kHz, 4-wire input to 2-wire interface pin 2
Signal-to-Noise Ratio: greater than 55 dB, measured at 1 kHz, 4-wire input to 2-wire interface pin 2
Connectors:
Inputs from 4-Wire: 3-pin female XLR
Outputs to 4-Wire: 3-pin male XLR
2-Wire Party-Line Intercom: 3-pin male XLR
Remote Control: 10-pin header, requires user-provided 10-pin ribbon connector assembly
AC Mains: 3-blade, IEC 320 C14 (mates with IEC 320 C13)
2-Wire Party-Line Intercom Interfaces: 2
Type: 2-channel party-line (PL), unbalanced (pin 1 common; pin 2 channel 1 audio or DC with channel 1 audio; pin 3 channel 2 audio or DC with channel 2 audio)
Compatibility: single- and 2-channel intercom systems such as from RTS and Clear-Com
Impedance, External Power Mode: greater than 10 k ohms
Impedance, Internal Power Mode: 200 ohms
Nominal Level: 10 or 14 dBu, selectable
"Mic Kill" Signal: square wave, 24 kHz, 1%
2-Wire Party-Line Power Sources: 4, 2 per interface
Rating: 30 Vdc nominal, 315 mA maximum, software monitored and controlled
Hybrids: 4, 2 per interface
Topology: 3-section analog circuitry compensates for resistive, inductive, and capacitive 2-wire party-line loads
Nulling Method: automatic upon user initiation, processor implements digital control of analog circuitry; null settings stored in non-volatile memory
Nulling Line Impedance Range: 120-350 ohms
Nulling Cable Length Range: 0-3500 feet, typical
Trans-Hybrid Loss: greater than 40 dB, typical at 800 Hz
4-Wire Inputs: 4, 2 per interface
Type: transformer-coupled, capacitor isolated
Impedance: 13 k ohms
Nominal Level: 0, +4, +6, or +8 dBu, selectable in tandem with nominal output level
Maximum Level: +22 dBu
4-Wire Outputs: 4, 2 per interface
Type: transformer-coupled, capacitor isolated
Impedance: 50 ohms nominal
Nominal Level: 0, +4, +6, or +8 dBu, selectable in tandem with nominal input level
Maximum Level: +20 dBu into 2 k ohms
Meters: 8
Function: displays level of 4-wire inputs and outputs
Type: 5-segment LED, modified VU ballistics
Remote Control Inputs: 3
Type: optically coupled
Input: 3-32 Vdc; 2 mA minimum for operation, 20 mA maximum
Functions: auto null interface 1, auto null interface 2, and "mic kill"
AC Mains Requirements: 100-240 V ( 15/+10%), 50/60 Hz, 60 watts maximum
Dimensions (Overall):
19.0 inches wide (48.3 cm)
1.72 inches high (4.4 cm)
8.4 inches deep (21.3 cm)
Mounting: one space (1U) in a standard 19-inch rack
Weight: 4.7 pounds (2.1 kg)
Specifications subject to change without notice.