Clearone Converge Pro User Manual download pdf (Page 352)

347

CONVERGE PRO 840T

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 Features

• 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 Features

• 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:<10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:<10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: 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

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Clearone Converge Pro User Manual Page 352

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