311
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.•
