Specifications, Specifications – Studio Technologies 780-03 V.4.15 User Manual
Page 46
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Issue 1, April 2015
Model 780-03/790 User Guide
Page 46
Studio Technologies, Inc.
for Surround
Specifications
Model 780-03 Central Controller
General Audio:
Supported Sample Rates: 44.1, 48, 88.2, and
96 kHz
Word Length: 24 bits maximum
Internal Processing: 32 bits
Input-to-Output Latency: two samples (e.g., 0.042
milliseconds @ 48 kHz sample rate)
Digital Audio Inputs: 3 (18 audio channels total)
Configuration: two surround (7.1) and one stereo
Type: balanced AES3 (110 ohms, 5 Vpp)
Connector—Surround Inputs: 25-pin female
D-subminiature (DB-25F), AES59-2012-compliant
Connector—Stereo Input: 3-pin female XLR
Sample Rate Conversion (SRC):
Application: available on the stereo input
Input Sample Rate Range: 8 to 216 kHz, limited to
1/6 to 6 times the output sample rate
Latency: 1 millisecond, nominal
LFE Input Channel Low-Pass Filter: –6 dB @
120 Hz, 48 dB-per-octave, on/off selectable
Sync Source: configured to follow L/R of currently
selected input or signal connected to sync input
Sync Input:
Compatible Sources: word clock, DARS (AES11),
bi-level video, tri-level video
Jitter: 4 ns pp maximum
Connector: BNC (per IEC 60169-8 Amendment 2)
Termination: 75 ohms, selectable on/off
Digital Monitor Outputs: 16 channels (8 pairs)
Configuration: organized as two surround (7.1),
one pre-fader, and one post-fader
Dynamic Range: >135 dB
Type: balanced AES3 (110 ohms, 5 Vpp)
Connector: 25-pin female D-subminiature
(DB-25F), AES59-2012-compliant
Analog Monitor Outputs: 8
Configuration: organized as one surround (7.1),
post-fader
Type: electronically balanced, source impedance
200 ohms
Nominal Level: +4 dBu @ –20 dBFS input source
and level control at maximum setting
Maximum Level: +24 dBu into 2000 (2 k) ohms or
greater
Frequency Response, Digital Inputs to Analog
Monitor Outputs: 10 Hz-20 kHz +0.0/–0.3 dB @
48 kHz sample rate; –3 dB @ 64 kHz
Distortion (THD+N): 0.004%, ref 1 kHz, +4 dBu
output
S/N Ratio: 89 dB, ref +4 dBu output
Dynamic Range: >109 dB
Crosstalk: –98 dB at 1 kHz; –97 dB at 16 kHz,
ref –1 dBFS input
Connector: 25-pin female D-subminiature
(DB-25F), AES59-2012-compliant
Configurable Input Delay: 0 to 340 milliseconds
@ 48 kHz sample rate (scales up or down depend-
ing on actual sample rate)
Post-Fader Monitor Output Level Offsets: each
surround (7.1) channel independently adjustable
in 0.5-dB steps over a ±12-dB range. (Digital and
analog outputs associated with a specific channel
share the same setting.)
Bass Management:
Crossover Frequency and Type: –6 dB @ 40, 50,
60, or 80 Hz, symmetrical for low-pass and high-
pass filters, maximally flat
Filter Slope: 12 dB-per-octave or 24 dB-per-octave
Overall Operation: on/off selectable
Downmix Functions: To 5.1, To Stereo, and
To Mono
Control Console Interface:
Type: RS-485, 115.2 kbit/s, 8-1-N
Polling Interval: 80 milliseconds, nominal
Power: 12 Vdc, 500 mA maximum
Connector: 9-pin female D-subminiature (DE-9F)