PROFESSIONAL CONFERENCING
DATA SHEET <
CONVERGE PRO | 880T
NEW!
TM
Professional Conferencing System
The Converge Pro 880T combines the rich functionality of the Converge
Pro 880 with a built-in telephone interface and speaker amplifier for
standalone conferencing applications. The 880T delivers enhanced
management features, simplified configuration tools, and industryleading expandability for virtually any venue or application.
THE CLEAR
CHOICE FOR
PROFESSIONAL
AUDIO
CONFERENCING
CONVERGE PRO 880T
APPLICATIONS
Conference Rooms
Boardrooms
Courtrooms
Distance Learning Facilities
Convention Centers and Hotels
Training Rooms
Telemedicine Facilities
Houses of Worship
CONVERGE PRO 880T ADVANTAGES
Advanced Conferencing Feature Set
+ Next-generation Acoustical Echo Cancellation
> Full bandwidth (20Hz to 22Khz) echo cancellation
> Improved duplex performance
> Push-to-talk microphone compatibility
+ Next-generation Noise Cancellation
> Adaptive modeling to room ambient noise condition
+ Increased resolution on Microphone Preamp stage
> 0-56 dB in 7 dB increments
+ Pre-AEC routing for Sound Reinforcement Applications
> Maximum of 4 millisecond processing delay
+ Management Improvements
> Integrated Ethernet and USB connections
> SNMP and HTML remote management agents
> Event scheduler
> Diagnostic console
+ Simplified Configuration Software
> Drag & drop A/V and channel objects
> Selectable views—unit, matrix, channel
+ Expanded Serial Command List
Superior Audio Performance
+ Next-generation Distributed Echo Cancellation® on every mic input
+ First-mic priority delivers clear audio to the far end
+ 20 Hz-22 kHz bandwidth for full-range audio response
+ ALC & AGC keep participants’ audio balanced and consistent
TM
Configuration Flexibility
+ Built-in telephone interface and 10W power amplifier
+ Scalable – link multiple Converge/Converge Pro units (Converge Pro 880, 880T, 840T, 8i,
TH20, and Converge SR 1212) for extensive microphone coverage and up to 16 phone lines
+ Enhanced expansion bus, featuring 12 mix-minus audio buses for routing between units
+ Eight mic gating groups (four internal & four global) allow separation of mics into
individual mixer gating groups for greater configuration flexibility
+ 32 presets can be executed on-the-fly without disturbing other ongoing preset operations
+ 255 Macros for customized audio control/configuration with single command execution
CONVERGE PRO 880T DATA SHEET <
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CONVERGE PRO 880T BACK PANEL
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SPECIFICATIONS
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=150
THD+N: <0.02%
Dynamic Range: 100 dB (non Aweighted)
Crosstalk <-91 dB re 20 dBu @ 20
kHz channel to channel
Auto Mixer Parameters
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 Parameters
37x38 mixing matrix
12 analog in/out
12 expansion bus in/out
8 assignable processing blocks in/out
4 assignable fader blocks in/out
1 10W speaker amplifier
1 telco input/1 telco output
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
Telco Set Port
Pass-though RJ-11 analog jack
Configuration & Admin Software
Converge™ Console
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
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
Power Input Range
Auto-Adjusting
100–240 VAC; 50/60 Hz
Telco Line Echo Cancellation
Tail Time: 31 ms
Null: 55 dB nominal
Weight
7.5 lbs/3.3375 kg unit weight
12 lbs/5.4kg shipping weight
Telephone Noise Cancellation
Noise Cancellation 6-15 dB
attenuation
Operating Temperature
14° F/-10° C to 122° F/50° C
ambient unit temperature
Expansion Bus In/Out
Proprietary Network
RJ-45 (2), 1.9 Mbps
CAT-5 twisted-pair cable, 200’
maximum cable length
Approvals
See the Installation & Operation
Manual for complete details
AES48-2005: AES standard on
interconnections —
Grounding and EMC practices
— Shields of connectors
in audio equipment containing
active circuitry (self certified)
Mic/Line Inputs 1-8
Push-on mini-terminal block,
balanced, bridging
Impedance: < 5 K
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)
Line Inputs 9-12
Push-on mini-terminal block,
balanced, bridging
Impedance: < 5 K
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Outputs 1-12
Push-on mini-terminal block, balanced
Impedance: < 50
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Amplifier Output
Binding Post Connection
10 Watts @ 4 Impedance
THD + Noise: < 0.5%
Telco Line Port
RJ-11 POTS (plain old telephone
service) or analog PBX extension
A-lead supervision provided
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
Control/Status Ports
DB-25 female A/B (2)
Inputs A/B: active low (pull to ground)
Outputs A/B: open collector, 40 VDC
max, 40 mA each
+3.3 VDC pins (2) (300 mA overcurrent protected)
Power Consumption
30 W Typical
Dimensions (L x D x H)
17.25” x 10.25” x 1.75”
43.8 x 26 x 4.5 cm
Optional Accessories
Converge Pro 880
Converge Pro 840T
Converge Pro 8i
Converge Pro TH20
Converge SR 1212
Tabletop Controller
Part Number
910-151-881 Converge Pro 880T
8-Channel AEC Microphone Mixer
with Telephone Hybrid and
10W Amplifier
USB
Version 2.0 compatible
Type: B-connector
CLEARONE LOCATIONS
Headquarters:
Salt Lake City, UT USA
5225 Wiley Post Way
Suite 500
Salt Lake City, UT 84116
Tel: 801-975-7200
Toll Free: 800-945-7730
Fax: 801-977-0087
sales@clearone.com
Latin America
Tel: 801-974-3621
global@clearone.com
EMEA
Tel: 44 (0) 1189 036 053
global@clearone.com
APAC
Tel: 801-303-3388
global@clearone.com
Other product names may be registered trademarks of their respective owners who do not necessarily endorse ClearOne or ClearOne’s products. All rights reserved. Information in this document subject to change without notice.
© 2007 ClearOne Communications Inc. 802-151-881 Revision 1.1 January 2008.
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