ClearOne Converge SR1212 | 12×12 Integrated Ethernet USB Connections Multiple Converge Units Linking Automatic Digital Matrix Mixer

SKU: CLO-MIXER-910151900 Category:
Brand: ClearOne


Internal Room Combining Mixer

Professional conferencing digital matrix mixer ?? advanced configuration for unrivaled audio in the largest venues.

CONVERGE SR1212 is a 12×12, automatic digital matrix mixer based on ClearOne’s legacy audio clarity technology. ClearOne’s matrix mixers combine the best digital automatic microphone mixer, and unmatched HDConference  audio processing power and system flexibility to create the strongest solution for sound reinforcement applications.

The Enhanced management features, simplified configuration tools and industry-leading expandability for virtually any large venue or application, make the CONVERGE SR1212 the only choice for quality. The value of ClearOne sound reinforcement products is unbeatable as the most sophisticated, feature-rich systems on the market, offering unrivaled audio processing performance.

Key Features

  • Unmatched HDConference Audio Quality
  • Improved duplex performance to create the most natural interaction
  • Next-generation noise cancellation with adaptive modeling matches and counteracts ambient noise
  • Increased resolution on Microphone Preamp stage provides fine tuning 0-56 dB in 7 dB increments
  • First-mic priority delivers clear audio to the far end
  • 20 Hz-22 kHz bandwidth for full-range audio response
  • Automatic Gain and Level controls maintain balanced and consistent audio clarity
  • Improved Management
  • SNMP and HTML remote management give IT professionals flexible options for access
  • Event scheduler and diagnostic console for automation of updates and simplified maintenance
  • Simplified Configuration and Compatibility
  • Simplified Configuration Software
  • Drag & drop A/V and channel objects
  • Selectable views-unit, matrix, channel
  • Expanded serial command set
  • Enhanced expansion bus, featuring 18 mix-minus audio buses for routing between units
  • 255 Macros for customized audio control/configuration with single command execution
  • 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
  • 32 presets can be executed on-the-fly without disturbing other ongoing preset operations
  • 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

Technical Specifications

Audio Performance
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 ohm
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 inputs/outputs
12 expansion bus in/out
8 assignable processing blocks in/out
4 assignable fader blocks in/out
Assignable Processing Blocks
FILTERS: All pass, Low pass, High pass, Low shelving, High shelving, Parametric EQ, Notch, CD Horn
Delay??adjustable up to 250 ms
Assignable Fader Blocks
Mic or Line Level
Phantom Power 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
Mic/Line Inputs 1-8
Push-on mini-terminal block, balanced, bridging
Impedance: < 10 K ohm
Nominal Level: adjustable -56 dBu to 0 dBu (7 dB step coarse gain adjustment)
Maximum Level: -65 dBu to +20 dBu
Line Inputs 9-12
Push-on mini-terminal block, balanced, bridging
Impedance: < 10 K ohm
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Outputs 1-12
Push-on mini-terminal block, balanced
Impedance: < 50 ohm
Nominal Level: 0 dBu
Maximum Level: 20 dBu
Expansion Bus In/Out
Proprietary Network
RJ-45 (2), 1.9 Mbps
CAT-5 twisted-pair cable, 200’ maximum cable length between units
Autoswitching with Quality of Connection (QoC)
10/100 Mbps Ethernet Network Port
10/100 Mbps 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 bit, no parity
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)
Version 2.0 compatible
Type: B-connector
Configuration & Administration Software
Converge Console
Power Input Range
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
7.5 lbs/3.3375 kg unit weight
12 lbs/5.4kg shipping weight
Operating Temperature
14 deg F/-10 deg C to 122 deg F/50 deg C ambient unit temperature
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 880T
Converge Pro 840T
Converge Pro 8i
Converge Pro TH20
Tabletop Controller

SKU: CLO-MIXER-910151900 Category:

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