Studio Technologies IFB Plus 2001 - Manual (Page 45)

Model 2 User Guide Issue 7, November 2001
Studio Technologies, Inc. Page 45
Specifications
Model 2 Central Controller
Mounting:
One space in a standard 19-inch (48.3cm) rack
Back Mounting Locations:
Provision made for attaching customer-fabricated
back brackets. Use four (two per side) 8-32
machine screws to attach brackets to the sides
of the Model 2 chassis.
Mains Power Requirements:
120 or 220/240V, ±10%, internally configured,
50/60Hz, 10 watts
Mains Connector Type:
3-conductor IEC-type
Mains Fusing: 1
Type: 5 x 20mm, fast-acting
Rating: 0.5A for 120V mains power, 0.25A for
220/240V
IFB Channels: 2
Channel Features: 6-position program select
switch, program level control, status LEDs,
5-segment LED level meter
Audio Switching: solid state, ramping “clickless”
integrated circuit analog switches
General System Audio Specifications:
(Measurements taken from program input to line
output)
Distortion (THD+N): 0.03%, measured at 1kHz
Frequency Response: better than ±0.5dB,
20Hz-20kHz
S/N Ratio: 67dB
Program Inputs: 4
Connector: 3-pin XLR-type, female, pin 2 high
Type: electronically balanced, direct coupled
Input Impedance: 24k ohms
Input Compatibility: can be connected to
balanced or unbalanced signals
Common Mode Rejection: 90dB @ DC and
60Hz, 85dB @ 20kHz, 60dB @ 400kHz (typical)
Nominal Input Level: +4dBu
Input Trim Control: allows adjustment of input
sensitivity over a ±8dB range, nominal
Auxiliary Audio Input:
Application: used with voice operated (VOX)
interrupt
Connector: 3-pin XLR-type, female, pin 2 high
Type: electronically balanced, direct coupled
Input Impedance: 24k ohms
Common Mode Rejection: 90dB @ DC and
60Hz, 85dB @ 20kHz, 60dB @ 400kHz (typical)
Nominal Input Level: +4dBu
Input Trim Control: allows adjustment of input
sensitivity over a ±8dB range, nominal
Talent Amplifier Output:
Application: intended to provide power and audio
signals for any combination of up to four Model 32
or Model 33 Talent Amplifiers
Connector Type: 3-pin XLR-type, male, pin 1
common, pin 2 +18Vdc modulated with channel 1
audio, pin 3 channel 2 audio
Audio Output Levels: –10dBu, nominal
Maximum DC Output Current: approximately
500mA
Line Outputs: 2, one per IFB channel
Type: electronically balanced, direct coupled,
intended to drive loads of 600 ohms or greater,
can be connected to balanced or unbalanced
loads
Nominal Output Level: +4dBu
Maximum Output Level Before Clipping:
+24dBu into 600 ohms, balanced
Output Impedance: 50 ohms
Voice Operated (VOX) Interrupt Function:
Input: auxiliary audio, receive audio telephone
interface 1, or receive audio telephone interface 2,
selectable
Output: IFB channel 1 or IFB channel 2,
selectable
Detection Bandpass: bandpass filter with 3dB
points @ 400 and 1400Hz
Detection Threshold: 18dB below nominal input
level over 400-1400Hz band