ClearOne comm CONVERGE SR 1212 - Manual (Page 297)

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CONVERGE PRO 880TA
Audio Performance:
Conditions: Unless otherwise specified, all •
measurements are performed from 20 HZ to 22 kHz
BW limit (no weighting)
Frequency Response: 20 Hz to 22kHz +- 1 dB
•
Noise(EIN): -126 dBu, 20 kHz BW, max Gain •
Rs= 150 ohm •
THD+ Noise: <.02% •
Dynamic Range: >105 dB (non A weighted) •
Crosstalk: <91 db re 20dBu @ 20 kHz channel to •
channel.
Audio mixer Parameters
Number of Open Microphones •
PA Adaptive Mode •
First Mic Priority Mode •
Maximum # of Mics •
Ambient Level •
Gate Threshold Adjust •
Off Attenuation Adjust •
Hold Time •
Decay Rate •
Chairman Override •
96 Total Microphones per site •
6- Global Gating Groups •
4- Internal Gating Groups •
matrix mixing Parameters
8- Microphone Analog Inputs •
4- Analog Line Inputs •
8-Analog Line Outputs •
4- Power Amplifier Outputs •
18- Expansion Bus in/out •
8- Processing Blocks •
Assignable Processing Blocks
Filters: •
All Pass »
Low Pass »
Low shelving »
High shelving »
PEQ »
Notch »
Crossovers »
Compressor •
Delay up to 250 msec •
Power Amplifier Output Processing
Feedback Elimination w/ ring cancellation •
10-band EQ filter •
4- • node filter bank for crossover
Delay Block •
Compressor/Limiter •
Noise Gate for Hiss Control •
So • und Masking Generator per channel
Adaptive Volume Control •
Multi Channel Control •
microphone Processing
4-node filter bank •
AGC/.ALC •
Power Amplifier
Channels: 4 •
Amplifier Output: 35-Watt into 8 ohm •
Impedence: Selectable 8ohm, 70V, 100 V •
THD+ Noise: <.2% (1/3 Power) •
Crosstalk: <-68dB •
Telco Line Port
RJ-11 POTS (plain old telephone service) or analog •
PBX extension
A-lead supervision provided
•
Telco Set Port
Pass-though RJ-11 analog jack •
Telephone Audio Performance
Conditions:
Unless otherwise specified, all measurements
are performed with Transmit Limiter and
Receive ALC disabled •
Frequency Response: 250Hz to 3.3 kHz ±1dB •
THD+N: <0.3% re-max level 250 Hz to 3.3 kHz •
SNR: > 62 dB re-max level •
Telco Line Echo Cancellation
Tail Time: 31ms •
Null: 55 dB nominal •
Telephone Noise Cancellation
Noise Cancellation 6-15 dB attenuation •
Expansion Bus
Connection: CAT 5, RJ45 •
Mix Minus Structure •
18 Audio Buses •
6 Gating Buses •
8 PA Reference Buses •
Network
10/100 Auto Switching (PC and Network Port) •
HTTP Server •
Telnet Client •
SNMP Agent •
SNTP Client •
DNS •
DHCP •
RS-232
DB-9 •
9.6k – 115k baud •
8/1/0 •
Hardware Flow Control •
uSB
2.0 Compatible •
Type B connector •
GPIO
DB 25 female (A/B) •
Inputs: Active Low •
Outputs: Open Collector, 40Vdc, 40 mA •
Power
100-240VAC; 50/60 Hz, •
300 Watts (maximum) •
Environmental
Operating temperature: •
32-122 degrees F •
Humidity:
15 to 80% •
mechanical
Dimensions: 2RU •
3.5” H x 17.25” W x 15.92” D •
Weight: < 30 lbs. •