ClearOne comm SR1212A User Manual

CONVERGE PRO DATA SHEET <

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CONVERGETM | SR 1212A

Digital Matrix Mixer with Four Channel Power Amplifier

The Converge SR 1212A is a highly advanced 12X12 automatic digital
mixer with four power amplifiers. The Converge SR 1212A delivers
enhanced management features, simplified configuration tools and
industry-leading expandablity for use in virtually any venue and
application.

THE ULTIMATE
IN AUDIO
PROCESSING
AND DIGITAL
MATRIX MIXING

APPLICATIONS

Boardrooms

Training Centers

Municipal Rooms

Courtrooms

Houses of Worship

Telemedicine

Presentation Systems

Zoned Paging

Masking Systems

ADVANTAGES

Advanced Feature Set

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 set +

Superior Audio Performance

D.A.R.E™ (Dynamic Automatic Resonance Elimination) for control of feedback +
Unique automatic mixing process delivers optimum intelligibility +
20 Hz-22 kHz bandwidth for full-range audio response +
ALC & AGC keep participants’ audio balanced and consistent +
Advanced Digital Processing on each amplifier channel +

Configuration Flexibility

Four built-in 35 Watt amplifiers, 8Ω or 70V/100V +
Up to 96 microphones +
Link multiple Converge/Converge Pro units (Converge Pro 880, 880T, 880TA, 840T, 8i, TH20, +
Converge SR 1212 and SR 1212A) for extensive microphone coverage and up to 16 phone
lines
Enhanced expansion bus, featuring 18 mix-minus audio buses for routing between units +
Ten mic gating groups (four internal & six global) allow separation of mics into individual +
mixer gating groups for greater configuration flexibility
32 presets can be executed on-the-fly without disturbing other ongoing preset operations +
255 Macros for customized audio control/configuration with single command execution +
No space required between rack mounted units +

> CONVERGE PRO SR 1212A BACK PANEL

> SPECIFICATIONS

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Audio Performance

Conditions: Unless otherwise specified,
all measurements are performed
from 20 Hz to 22 kHz BW limit (no
weighting)
Frequency Response: 20 Hz to 22 kHz
+/- 1 dB
Noise (EIN): -126 dBu, 20 kHz BW,
max gain

Rs= 150Ω

THD+ Noise: <0.02%
Dynamic Range: >105 dB (non A
weighted)
Crosstalk: <-91 dB re 20 dBu full band.

Mic/Line Inputs 1-8

Push-on mini-terminal block, balanced,
bridging

Impedance: > 5 KΩ

Nominal Level: adjustable -56 dBu to 0 dBu
(7dB step coarse gain adjustment)
Maximum Level: -65 to +20 dBu
Phantom Power: 24V, selectable

Line Inputs 9-12

Push-on mini-terminal block, balanced,
bridging

Impedance: > 5 KΩ

Nominal Level: 0 dBu
Maximum Level: 20 dBu

Output 1-8

Push-on mini-terminal block, balanced,
bridging

Impedance: < 50Ω

Nominal Level: 0 dBu
Maximum Level: 20 dBu

Auto Mixer Parameters

Number of Open Microphones (NOM)
PA Adaptive Mode
First Mic Priority Mode
Maximum # of Mics
Ambient Level
Gate Threshold Adjust
Off Attenuation Adjust
Hold Time
Decay Rate
Chairman Override
96 Total Microphones per site
6- Global Gating Groups
4- Internal Gating Groups

> CLEARONE LOCATIONS

Matrix Mixing Parameters

8- Microphone Analog Inputs
4- Analog Line Inputs
8- Analog Line Outputs
4- Power Amplifier Outputs
18- Expansion Bus in/out
8- Assignable Processing Blocks in/out

Assignable Processing Blocks

Filters

All Pass
Low Pass
High Pass
Low shelving
High shelving
PEQ
Notch
Crossovers
CD Horn

Compressor

Delay: adjustable up to 250 ms

Power Amplifier Output Processing

FeedBack Elimination w/ring cancellation
10-band EQ filter
4-node filter bank for Crossover
Delay Block
Compressor/Limiter
Noise Gate for Hiss Control
Sound Masking Generator per channel
Adaptive Volume Control
Multi Channel Control

Microphone Processing

4-node filter bank
AGC/ALC

Power Amplifiers

Channels: 4

Amplifier Output: 4x35 Watts into 8Ω
Impedance: Selectable 8Ω, 70V, 100V

THD + Noise: <0.2% (1/3 Power)
Crosstalk: <-68 dB

Expansion Bus

Connection: CAT 5, RJ45
Mix Minus Structure
18 Audio Buses
6 Gating Buses
8 Reference Buses

Network

10/100 Auto Switching (PC and
Network Port)
HTTP Server
Telnet Client
SNMP Agent
SMTP Client
DNS
DHCP

RS-232

DB-9

9.6k – 115k baud
8/1/0
Hardware Flow Control

USB

Version 2.0 compatible
Type: B-connector

GPIO

DB 25 female (A/B)
Inputs: Active Low
Outputs: Open Collector, 40Vdc, 40 mA

Power

100-240VAC; 50/60 Hz,
300 Watts (maximum)
Idle: 139 BTU/hr
Full Load: 779 BTU/hr
Efficiency: >80%

Humidity

15 to 80%

Mechanical

Dimensions: 2RU

3.5” H x 17.25” W x 15.92” D
Weight: < 30 lbs.

Environmental

Operating temperature:
32-122 degrees F

Compliance

FCC
Industry Canada
CE
RoHS
Class 2 Wiring Required

Part Number

910-151-901 Converge SR 1212A

Headquarters:
Salt Lake City, UT USA

5225 Wiley Post Way
Suite 500
Salt Lake City, UT 84116
Tel: [phone]
Toll Free: 800-945-7730
Fax: [phone]
[e-mail]

Other product names may be registered trademarks of their respective owners who do not necessarily endorse ClearOne or ClearOne’s products. All rights reserved. Information in this document subject to change without notice.
© 2009 ClearOne Communications Inc. 802-151-901-DS Revision 1.7 May 2009.

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