ClearOne Converge Pro 840T Professional Conferencing

ClearOne Converge Pro 840T Professional Conferencing
ClearOne Converge Pro 840T Professional Conferencing
  • Converge Pro 880 functionality plus built-in telephone interface and power amplifier
  • It also links with other Converge Pro mixers for maximum flexibility and use in many applications.
  • 4-Channel AEC Microphone Mixer / Amplifier / Hybrid
  • (4) Mic/Line Switchable Inputs; (4) Line Level Only Inputs; Total (8) Inputs
Condition: New  
Freight: Call for Freight Quote  
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General Information

Category:Audio Conferencing EquipmentManufacturer:Clearone
Categorization By Manufacturer:Professional ConferencingModel:910-151-840
p>Converge Pro 880 functionality plus built-in telephone interface and power amplifier

The successor to the industry-leading XAP 400. Leveraging the rich functionality, audio performance, and flexibility offered by the flagship Converge™ Pro 880, the new 840T includes a built-in telephone interface and power amplifier for standalone conferencing capabilities. It also provides expansion capability with other Converge Pro mixers for complex installations

Advanced Conferencing Feature Set

  • Next-generation Acoustical Echo Cancellation
    > Improved duplex performance
    > Push-to-talk microphone compatibility
  • Next-generation Noise CancellationAdaptive 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
Conferencing Capability
  • Built-in telephone interface and power amplifier
  • Link with multiple Converge Pro TH20s for up to 16-line capability
  • Also link to Converge Pro 880 or 8i for additional inputs and outputs
  • Convention Centers and Hotels
  • Auditoriums
  • Stadiums
  • Conference Rooms
  • Houses of Worship
  • Theaters

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  • ClearOne has been in the business for more than 20 years and is the world’s leading provider for audio conferencing technologies and solutions. The company dominates the professional conferencing space with more than 54% of global market share. ClearOne’s products enhance presentation, collaboration, multimedia applications and distance communications while creating natural environments for efficient and effective personal/group communication.
    Some of the popular products and solutions offered include premium conferencing, tabletop conferencing, personal conferencing, AV distribution and control, conferencing microphones and media carts. The CHATAttach 150 Personal/Group speakerphone for medium and large conference rooms, CHAT 50 Personal Conferencing, CHAT 150 USB Personal Conferencing and CHAT 170 Personal Conferencing Speakerphone are among the best products.
    ClearOne is committed to provide the highest quality products ranging from office desktop conferencing to large professional conferencing venues like training centers, courtrooms, auditoriums and boardrooms.

  • 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, 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
    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
    All pass
    Low pass
    High pass
    Low shelving
    High shelving
    Parametric EQ
    CD Horn
    Delay; adjustable up to 250 ms
    Microphone Input Configuration
    Input Gain Adjust
    Mic or Line Level
    Phantom Power on/off
    Echo Cancellation on/off
    Noise Cancellation on/off
    All Pass
    Low Pass
    High Pass
    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
    POTS (plain old telephone service) or
    analog extension from a PBX
    A-lead supervision provided
    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
    Autoswitching with Quality of Connection (QoC)
    10/100 Ethernet Network Port
    10/100 Ethernet PC Port
    RJ-45 Connectors
    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
    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)
    Version 2.0 Compatible
    Type: B-connector
    Configuration & Administration Software
    Convergetm Console
    Power Input Range
    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
    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
    Customer Testimonials

    "Excellent for collaborative meetings through Webex or in person. Small and easy to transport. Great for capturing notes for an entire group. Fabulous technology!"

    View All Testimonials >    
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