ClearOne comm Converge Pro 840T - Manual (Page 2)

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, 20 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
29x30 matrix
8 analog in/out
1 speaker out (amplified)
12 expansion bus in/out
4 assignable processing blocks in/out
4 assignable fader blocks in/out
1 telco in/out
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 1-4
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)
Noise Cancellation: 6–15 dB attenuation
Phantom Power: 24 V, selectable
Line Inputs 5-8
Push-on mini-terminal block, balanced, bridging
Impedance: > 5 KΩ
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Outputs 1-8
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 Line
RJ-11
POTS (plain old telephone service) or
analog extension from a PBX
A-lead supervision provided
Telco Set
RJ-11
POTS (plain old telephone service) or
analog extension from a PBX
A-lead supervision provided
Telephone Audio Performance
Conditions: Unless otherwise specified,
all measurements are performed with
Transmit Limiter and Receive ALC disabled
Frequency Response: 250 Hz to 3.3 kHz ±1 dB
THD+N: <0.3%, re-max level 250 Hz to 3.3 kHz
SNR: >62 dB re max level
Telephone 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
Category 5 twisted-pair cable, 200’ maximum
cable length between any two Converge Pro
devices
Ethernet
Autoswitching with Quality of Connection (QoC)
10/100 Ethernet Network Port
10/100 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, no parity
Hardware flow control on (default)/off
USB
Version 2.0 Compatible
Type: B-connector
Control/Status
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)
Configuration & Administration Software
Convergetm Console
Power Input Range
Auto-adjusting
100–240 VAC; 50/60 Hz
Power Consumption
30W 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
Operating Temperature
14° F/-10° C to 122° F/50° C ambient room
temperature
Approvals & Compliance
AES48-2005: AES standard on interconnections
— Grounding and EMC practices — Shields
of connectors in audio equipment containing
active circuitry (self certified)
U.S.A. & Canada
CSA safety listed
EU Countries
RoHS compliant
WEEE compliant
See product manual for additional details
Optional Accessories
Converge Pro 880
Converge Pro 880T
Converge Pro 8i
Converge SR 1212
Converge SR 1212A
Converge Pro 840T
Converge Pro TH20
Tabletop Controller
Part Number
910-151-840 Converge Pro 840T – 4-channel
AEC Microphone Mixer with built-in telephone
hybrid amplifier
CONVERGE PRO 840T DATA SHEET <
> CONVERGE PRO 840T BACK PANEL
> SPECIFICATIONS
> 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
[email protected]
Latin America
Tel: 801-974-3621
[email protected]
EMEA
Tel: 44 (0) 1189 036 053
[email protected]
APAC
Tel: 801-303-3388
[email protected]
© 2009 ClearOne Communications, Inc. All rights reserved. Information in this document is subject to change without notice. Other product names may be registered trademarks of their respective owners who do not necessarily endorse ClearOne
or ClearOne’s products in the United States and/or other countries.
ClearOne Document: 802-151-840 Revision 1.5 April 2009.