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Williams Sound PLA DL210NET
Digi-Loop DSP Dual Channel Loop Amplifier


The Williams Sound Digi-Loop induction loop system is the first of its kind to maximize modern amplifier technology.
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List Price: $2,999.00
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Williams Sound PLA DL210NET
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The Williams Sound Digi-Loop induction loop system is the first of its kind to maximize modern amplifier technology. DSP audio processing offers flexible, powerful software control of mixing, equalization, compression, loop phase shift and more. Powerful Class D, pulse-width amplifiers maximize efficiency, and reduce size and weight.  And network control capability provides seamless, remote system set-up, operation and monitoring via laptop, tablet or other portable device. The Digi-Loop’s dual-amplifier design offers flexibility, with the option of single 12A output for perimeter loops or dual 10A outputs for loop arrays or one loop and one loudspeaker.  Priority input (70-100V) is also available for connection to a paging system, ensuring life/safety announcements are heard loud and clear.

The Digi-Loop’s network-control capability provides seamless, remote system set-up, operation and monitoring via laptop or tablet, and it’s the only loop amplifier to offer an easy-to-read LCD graphic display. The Digi-Loop can be used with Williams Sound Digi-Wave products for crystal-clear wireless audio input – particularly in houses of worship, universities, auditoriums, and libraries.

Williams Sound PLA DL210NET System Includes:

  • (1) PLA DL210NET DSP Induction Loop Amplifier
  • (1) WLC 004 Line Cord (US)

Williams Sound PLA DL210NET Features:

  • Crestron® control
  • DSP Audio Processing
  • Digital Inputs - AES3/EBU
  • LCD Screen with Metering
  • Ethernet or RS-232 control
  • USB for firmware updates
  • Mixing, Equalization, Compression, Phase, and Frequency-Shaping
  • Power-save mode
  • Master Gain Control
  • High output current: 12/10 amps
  • Active protection against short circuits
  • XLR input configurable as microphone input orline-input, balanced or unbalanced
  • Standard 2RU, 19” rack enclosure
  • Magnetic signal couples directly to hearing aids equipped with telecoils (T-coils)
  • Can be used with optional loop receivers
  • Suitable for set-up of high or low-overspill systems, or interleaved arrays
  • Meets ADA / ADAAG guidelines
  • Meets IEC Specification 60118-4

Williams Sound PLA DL210NET Specifications:

  • Dimensions: 2U rack mount, 19” W x 3.5” H x 12”D.  Chassis is 17” W.
  • Weight: 14.3 lbs. (6.5 kg)
  • Color:
    • Case: Black, white and blue legends on front, white legends on back.  
    • LCD: Backlit Blue
  • Fan Cooling: Variable Speed, Temperature Controlled
  • Power: 100-240 VAC, 50/60 Hz, 500 watt
  • Head Output:
    • Sleep State: 83 BTU
    • Idle State: 112 BTU
    • Driving two loops @ 9A each: 286 BTU
    • Digital Input: (1x XLR); AES or EBU; 44.1kHz/48kHz
    • Analog Line Inputs: (1x RCA, L+R); -10dBv, 10kOhms input impedance
  • Mic/Line Inputs:
    • (2x Phoenix Terminal Block); balanced or unbalanced
    • Input impedance: 1.5kOhm mic, 10kOhm Line
    • Configurable/accepts Mic, Line +4dBu, Line +8dBu, or Line -10dBV
  • 70-100V Input: (1x Phoenix Terminal Block); speaker-level input, for distributed audio systems
  • Line Outputs: (2x Phoenix Terminal Block);loop-through of Mic/Line inputs 1 & 2. +4dBu.  Balanced orUnbalanced.
  • Loop Outputs: (2x Phoenix Terminal Block)
  • Required Loop Resistance: 0.5Ohm to 1.5Ohm (DC)
  • Output Current (Loop):
    • One Loop, Output A or B: 12A rms.
    • Two Loops, Outputs A and B: 10A rms each
  • Output Power (Speaker): 50 watts x 1 channel @ 4 Ohms(35 watts @ 8 Ohms); Class D
  • Loop Frequency Response: 100Hz to 10kHz @400mA (OutputA or B)
  • Speaker Frequency Response: 20Hz - 20kHz (Output A)
  • Speaker Dynamic Range: >90 dB; A-weighted, typical
  • Speaker THD+N: 0.07%; 50 watts into 4O @ 20-20kHz
  • Loop THD: <1% at nominal power output, 1kHz sinewave
  • Front Controls: Front LCD display menu access/adjustment via control dial.
  • Remote Control/Configuration: Ethernet, USB,RS-232. 
    • Application “PC Mixer App” supports all 3 protocols.
  • Ethernet: Standard RJ-45 jack.
  • RS-232: Standard DB-9 COM port connector.
  • USB: Standard-B jack. USB 1.1, 2.0 or 3.0 supported.
  • Warranty: 2 years
  • Approvals: CE, UL, ULC, FCC, Industry Canada, RoHS, WEEE, CB scheme

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