Converge pro 880ta – ClearOne Converge Pro User Manual
Page 350
345
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
•
Sound 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.