Studio Technologies IFB Plus 2001 - Manual (Page 47)

Model 2 User Guide Issue 7, November 2001
Studio Technologies, Inc. Page 47
Output Power: 4W RMS into 8 ohms, measured
@ 1kHz, 1% THD+Noise
Internal Microphone:
Type: electret condenser
Frequency Response: 3dB low frequency rolloff
@ 105Hz
Interrupt Audio Compressor/Limiter:
Number of Circuits: 2, one per IFB channel
Type: dual slope
Ratio in Compression Area: 4 to 1
Ratio in Limiting Area: infinity
Dimensions (Overall):
19.00 inches wide (48.3cm)
1.72 inches high (4.4cm)
11.4 inches deep—overall (29.0cm)
Weight:
10.4 pounds (4.7kg)
Model 22 Access Station
Mounting:
Rack mounted using Model 25A 19-inch Rack
Adapter. Panel mounted using Model 28A Panel
Adapter. Custom mounting easily accomplished.
Power Requirements:
+18Vdc, 25mA maximum, provided by Model 2
Central Controller
Interconnection:
Contains two 9-pin D-subminiature connectors
(female). One connector intended to link Model 22
to Model 2 Central Controller. The second con-
nector, wired in parallel with the first, is designed
to allow “loop through” installation for connection
to additional Model 22(s).
Push Button Switches: 2
Type: backlit, momentary, EAO 99-series
Lamp Type: incandescent, T-1, bi-pin, 18V, 26mA,
0.5W Equivalent to EAO Switch Corp. 11-903-2,
Wamco 0L1100BPE, Lamptronics AS25-8
Audio Inputs:
Electret microphone or line level, switch
selectable
Microphone Input:
Compatibility: designed only for use with
2-wire gooseneck electret microphone (2 wires
+ shield). Intended input level –25dBu nominal.
Model 11A gooseneck microphone available from
Studio Technologies.
Microphone Power: +5Vdc, current limited.
Applied to microphone “high” lead.
Connector: three terminals on screw terminal
strip
Line Input:
Type: electronically balanced, capacitor coupled,
compatible with balanced or unbalanced audio
signals
Input Impedance: 24k ohms
Common Mode Rejection: 100dB @ DC and
60Hz, 70dB @ 20kHz, 62dB @ 40kHz (typical)
Input Level: –15 to +10dBu, input level
adjustable via trim potentiometer
Connector: two screw terminals on screw
terminal strip
Dimensions (Overall):
6.4 inches wide (16.3cm)
1.6 inches high (4.1cm)
5.2 inches deep (13.2cm)
Weight:
0.8 pounds (0.4kg)
Model 25A 19-inch Rack
Adapter
Application:
Intended for use with Model 22 Access Station
and Model 11A gooseneck microphone
Dimensions (with Model 22 attached):
19.00 inches wide (48.3cm)
1.72 inches high (4.4cm)
5.2 inches deep—overall (13.2cm)