An eight microphone telephone hybrid with Distributed Echo Cancellation. 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 industry leading expandability for virtually any venue or application.
Next-generation Distributed Echo Cancellation® on every mic input
Full bandwidth (20Hz to 22Khz) echo cancellation with improved duplex performance & push-to-talk microphone compatibility
Next-generation Noise Cancellation with 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)
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
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
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
Audio Conferencing System Type - Desktop
Warranty - Yes
ROHS Compliant - Yes
Dante Enabled - Yes
Spec Sheet available - Yes
Audio Performance Conditions:
Unless otherwise specified, all measurements are performed with a 20 Hz to 22 kHz BW limit (no weighting)
Noise (EIN):
-126 dBu, 20 kHz BW, max gain, Rs=150 ohms
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
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
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: < 5 K ohms
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 ohms
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Outputs 1-12:
Push-on mini-terminal block, balanced
Impedance: < 50 ohms
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Amplifier Output:
Binding Post Connection
10 Watts @ 4 ohm Impedance
THD + Noise: < 0.5%
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: 31 ms
Null: 55 dB nominal
Telephone Noise Cancellation:
Noise Cancellation 6-15 dB attenuation
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
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)
USB:
Version 2.0 compatible
Type: B-connector
Configuration & Admin Software:
Converge™ Console
Power Input Range:
Auto-Adjusting
100–240 VAC; 50/60 Hz
Dimensions (L x D x H):
17.25” x 10.25” x 1.75”
43.8 x 26 x 4.5 cm
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
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
Converge Pro 840T
- Professional Conferencing System - Complete, Digital Matrix Mixer Conferencing Colution with Built-in Telephone Interface and Speaker Amplifier
Converge Pro 880
- Professional Conferencing System - Complete, Digital Matrix Mixer Conferencing Solution with Rich Functionality and Legacy ClearOne Audio Performance
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