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Lectrosonics : SPNCWB

By: Lectrosonics
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Wireless Microphones & Audio Processors
Contact us for lowest price (800) 284-2288, (858) 565-1101, sales@avsupply.com, or fax (858) 300-4193
Wideband Bridging Conference Interface

The SPNCWB from Lectrosonics is a wideband conference interface that makes tele-presence and multi-site bridging simple and effective in any conference room, with full bandwidth audio frequency response and a unique Quad-reference AEC (Audio Echo Canceller).

Each conference connection includes a dedicated AEC for fast and reliable echo cancellation. The AEC converges very fast and will remain converged during double-talk and any signal type, including sine waves, enabled by an advanced DSP algorithm. Cancellation depth increases even with brief signal peaks from the far ends.

SPNCWB features include:

  • Quad-reference wideband acoustic echo canceller supporting 3-way bridging
  • Two maximum speed grade, 4th generation SHARC processors
  • Dual codec interfaces
  • TCP/IP Ethernet addressable
  • Fully integrated with ASPEN digital matrix
  • Adaptive proportional gain automatic mixing at the matrix cross-points
  • Third octave noise filter on each channel
  • Sigma-Delta class-D audio power amplifiers
Echo Cancellation Acoustic Echo Canceller: 128 ms tail time - will never diverge, regardless of signal type (i.e. sine wave)
Line Echo Canceller: 48 ms tail time
Telephone Hybrid Return Loss: 26 dB + line echo canceller = 45 dB
Audio Inputs Codec: 1 x 5-pin Phoenix
Input Impedance: 15kΩ (differential); 375kΩ (common)
Gain: -20 dB to +20 dB, programmable in 1 dB steps
Audio Outputs Codec: 1 x 5-pin Phoenix, floating balanced
Output Impedance: 50Ω
Nominal Level: 0 dBu
Headphone: 1 x 1/4" TRS (front panel)
Amplifier Output: 1 x 5-pin Phoenix
Other Connectors 1 x USB Type B (front panel)
2 x RJ-11 Telephone Set/Line
2 x RJ-45 Remote Control
2 x RJ-45 ASPEN Port
2 x DB-25 Programmable Logic
1 x RJ-45 Ethernet
1 x DB-9 RS-232
Proprietary Network Physical level: LVDS (Low Voltage DIfferential Signal) high speed
Cable Type: CAT-6
Transmission Speed: 1 Gbps
Control Input Number of Inputs: 15
Analog Voltage Range: 0-5V
Logic Input: TTL, LVTTL, CMOS, LVCMOS
Control Output Number of Logic Outputs: 8
Logic Control: Active low
Max Sink Current: 100 mA
Max Supply Voltage: 40V
Supply Voltage for Control I/O: 5V
Max Current: 750 mA
Remote Control Codec 1: Lectrosonics RCWTH4, RJ-45 jack
Telephone: Lectrosonics RCWTH4, RJ-45 jack
Power Requirements 100~240VAC, 50/60 Hz
15W power consumption
Dimensions (WxDxH) 19 x 7.25 x 1.72" (483 x 184 x 44 mm)
Weight 3.6 lb (1.6 kg)


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Prices and specifications subject to change without notice.