ClearOne Converge Pro 880T Professional Conferencing

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 Ω
THD+N: <0.02%
Dynamic Range: 100 dB (non A-weighted)
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
12 analog in/out
18 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

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 KΩ
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 KΩ
Nominal Level: 0 dBu
Maximum Level: 20 dBu

Outputs 1-12
Push-on mini-terminal block, balanced
Impedance: < 50 Ω
Nominal Level: 0 dBu
Maximum Level: 20 dBu

Amplifier Output
Binding Post Connection
10 Watts @ 4 Ω Impedance
THD + Noise: < 0.5%

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 over-current
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

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

Weight
7.5 lbs/3.3375 kg unit weight
12 lbs/5.4kg shipping weight