Specifications – Studio Technologies 50 2004 User Manual
Page 36

Issue 6, September 2004
Model 50/51 User Guide
Page 36
Studio Technologies, Inc.
Specifications
Model 50 Central Controller
Audio Inputs: 7, stereo
Type: electronically balanced, direct coupled,
compatible with balanced or unbalanced signals
Impedance: 24k ohms
Nominal Input Level: –10dBV or +4dBu, each
stereo input individually software configurable
Common Mode Rejection: 100dB @ DC and
60Hz, 70dB @ 20kHz, 62dB @ 40kHz (typical)
Control Room Outputs: 2, stereo
Type: electronically balanced, intended to
drive loads of 600 ohms or greater, balanced
or unbalanced
Nominal Level: unity gain, audio inputs to control
room outputs
Maximum Output Level: +27dBu into 10k ohms,
+26dBu into 600 ohms
Frequency Response: 10Hz-40kHz +0/–0.5dB
(down 1dB @ 80kHz)
Distortion (THD+N): 0.03% (measured at +4dBu
input, +4dBu output)
S/N Ratio: 87dB (20Hz-20kHz)
Studio Output: 1, stereo
All other specifications identical to control room
outputs
Meter Output: 1, stereo
Type: unbalanced, intended to drive loads of
2k ohms or greater
Nominal Output Level: +4dBu
Maximum Output Level: +21dBu into 10k ohms
Frequency Response: 10Hz-40kHz, +0/-0.5dB
(down 1dB @ 70kHz)
Distortion (THD+N): 0.004% (measured at
+4dBu input, +4dBu output)
S/N Ratio: 92dB (20Hz-20kHz)
Talent Amplifier Output:
Application: provides power and audio signals for
up to four Model 35 or Model 38 Talent Amplifiers.
The output connector (3-pin XLR-type, male) has
common on pin 1, +23Vdc modulated with left
channel audio at –10dBu on pin 2, and right chan-
nel audio at –10dBu on pin 3. Maximum output
current 200mA (nominal).
Dub Output: 1, stereo, located on both the front
and back panels
Type: electronically balanced, direct coupled,
intended to drive loads of 600 ohms or greater,
balanced or unbalanced
Nominal Output Level: –10dBV or +4dBu,
software configurable
Maximum Output Level: +27dBu into 10k ohms,
+26dBu into 600 ohms
Frequency Response: 10Hz-40kHz +0/–0.5dB
(down 1dB @ 80kHz)
Distortion (THD+N): 0.004% (measured at
+4dBu input, +4dBu output)
S/N Ratio: 92dB (20Hz-20kHz)
Slate Tone:
Type: 50Hz sine wave
Level: 10dB below slate communications audio
level (nominal)
LED Indicators: 7, power present, control con-
sole over current, talent amp over current, input
data present, Model 50 input data present, input 7
+4dBu, dub output +4dBu
Connectors:
Audio Inputs and Outputs and Mic Module:
¼
-inch, 3-conductor phone jacks. Mates with all
plugs specified by EIA RS-453.
Talent Amplifier Output: 3-pin XLR-type, male
Control Console/MIDI In: 5-pin DIN-type, female
AC Mains: 3-blade IEC-type
AC Mains Requirement:
100, 120, or 220/240V, ±10%, factory configured,
50/60Hz, 100-120V 0.4A maximum, 220/240V 0.2A
maximum