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APPENDIX C: SPECIFICATIONS
CONVERGE PRO 880
Audio Performance
Conditions: Unless otherwise specified, all •
measurements are performed with a 20 Hz to 22 kHz
BW limit (no weighting)
Frequency Response: 20 Hz to 22 kHz ±1dB•
Noise (EIN): -126 dBu, 22 kHz BW, max gain,•
Rs=150Ω•
THD+N: <0.02%•
Dynamic Range: >100 dB (non A-weighted)•
Crosstalk <-91 dB re 20 dBu @ 20 kHz channel to •
channel
Auto Mixer Features
Number of Open Microphones (NOM)•
PA Adaptive Mode•
First Mic Priority Mode•
Last Mic Mode•
Maximum # of Mics Mode•
Ambient Level•
Gate Threshold Adjust•
Off Attenuation Adjust•
Hold Time•
Decay Rate•
Matrix Mixing Features
36x36 matrix•
12 analog in/out•
12 expansion bus in/out•
8 assignable processing blocks in/out•
4 assignable fader blocks in/out•
Assignable Processing Blocks
Filters•
All pass »
Low pass »
High pass »
Low shelving »
High shelving »
Parametric EQ »
Notch »
CD Horn »
Crossovers•
Bessel »
Butterworth »
Linkwitz-Riley »
Compressor•
Delay; adjustable up to 250 ms•
Assignable Fader Blocks
Gain/Mute•
Microphone Input Configuration
Input Gain Adjust•
Mic or Line Level•
Phantom Power on/off•
Echo Cancellation on/off•
Noise Cancellation on/off•
Filters•
All Pass »
Low Pass »
High Pass »
Notch »
PEQ »
Mute on/off•
Chairman Override on/off•
AGC on/off•
Automatic Level Control on/off•
Auto Gate/Manual gate•
Adaptive Ambient on/off•
Pre AEC channel•
Mic/Line Inputs 1-8
Push-on mini-terminal block, balanced, bridging•
Impedance:<5KΩ•
Nominal Level: adjustable -56 dBu to 0 dBu (7 dB step •
coarse gain adjustment)
Maximum Level: -65 dBu to +20 dBu•
Echo Cancellation: 130 ms tail time (works with 12 dB •
of room gain)
Noise Cancellation: 6–15 dB attenuation•
Phantom Power: 24 V, selectable•
Line Inputs 9-12
Push-on mini-terminal block, balanced, bridging•
Impedance:<5KΩ•
Nominal Level: 0 dBu•
Maximum Level: 20 dBu•
Outputs 1-12
Push-on mini-terminal block, balanced•
Impedance:<50Ω•
Nominal Level: 0 dBu•
Maximum Level: 20 dBu•
Expansion Bus In/Out
Proprietary Network•
RJ-45 (2), 1.9 Mbps •
CAT-5 twisted-pair cable, 200’ maximum cable length•
Ethernet
Autoswitching with Quality of Connection (QoC)•
10/100 Mbps Ethernet Network Port•
10/100 Mbps Ethernet PC Port•
RJ-45 Connectors•
RS-232
Serial Command Protocol Only (Console software not •
supported on RS- 232 port)
DB-9 female•
9,600/19,200/38,400/57,600/115,200 baud rate; 8 bits, •
1 stop bit, no parity
Hardware flow control on (default)/off•
USB
Version 2.0 compatible•
Type: B-connector•