StudioTech M46-00180 manual Specifications, General Audio

Specifications

General Audio:

Frequency Response: ±2 dB 100 Hz to 8 kHz

Distortion (THD+N): <0.5%, measured at 1 kHz, 4-wire input to 2-wire interface pin 2

Signal-to-Noise Ratio: >55 dB, measured at 1 kHz, 4-wire input to 2-wire interface pin 2

Connectors:

Inputs from 4-Wire: 3-pin female XLR-type

Outputs to 4-Wire: 3-pin male XLR-type

2-Wire Party-Line Intercom: 3-pin male XLR-type

Remote Control: 10-pin header, requires optional 10-pin ribbon connector assembly

AC Mains: 3-blade, IEC 320 C14-type (mates with IEC 320 C13)

2-WireParty-Line Intercom Interfaces: 2

Type: 2-channel party-line (PL), unbalanced (pin 1 common; pin 2 DC with channel 1 audio; pin 3 channel 2 audio)

Compatibility: single- and dual-channel intercom systems such as from Telex®/RTS® and Clear-Com®

Impedance, External Power Mode: >10 k ohms

Impedance, Internal Power Mode: 200 ohms

Nominal Level: –10 or –14 dBu, selectable

“Mic Kill” Signal: square wave, 24 kHz, ±1%

Internal Power Source: 30 volts DC nominal, 300 milliamperes maximum

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 cir- cuitry; 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: >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 volts DC; 2 milliamperes minimum for operation, 20 milliamperes maximum

Functions: auto null interface 1, auto null interface 2, and “mic kill”

AC Mains Requirement:100-240 volts

(–15/+10%), 50/60 Hz, 0.7 amperes maximum @ 100 volts, 0.4 amperes maximum @ 240 volts

Dimensions (Overall):

19.0inches wide (48.3 cm)

1.72inches high (4.4 cm)

8.5inches deep (21.6 cm)

Mounting: one space in a standard 19-inch rack

Weight: 7.75 pounds (3.5 kg)

Specifications and information contained in this User Guide subject to change without notice.

Issue 2, September 2007	Model 46 User Guide
Page 28	Studio Technologies, Inc.