Williams Sound PPA 457 NET Personal PA FM Assistive Listening System

BH #WIPPA457NET • MFR #PPA 457 NET
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Williams Sound PPA 457 NET Personal PA FM Assistive Listening System
Key Features
  • Transmitter with Multiple Audio Inputs
  • Network Control
  • OLED Display
  • 4 x Receivers (72 to 76 MHz)
The PPA 457 NET Personal PA FM Assistive Listening System from Williams Sound includes the PPA T45NET transmitter which features network control, multiple digital audio input options, and an OLED display with easy-to-manage menu navigation. It contains three microprocessors and is designed for high-quality audio and RF performance. With an operating range of up to 1000', the PPA 457 NET is suitable for large venues. The system is expandable, accommodating any number of listeners. It also complies with 2010 ADA guidelines for hearing assistance.
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Kit Contains:

The PPA 457 NET Personal PA FM Assistive Listening System from Williams Sound includes the PPA T45NET transmitter which features network control, multiple digital audio input options, and an OLED display with easy-to-manage menu navigation. It contains three microprocessors and is designed for high-quality audio and RF performance. With an operating range of up to 1000', the PPA 457 NET is suitable for large venues. The system is expandable, accommodating any number of listeners. It also complies with 2010 ADA guidelines for hearing assistance.

This system consists of one PPA T45NET transmitter, four PPA R37 receivers, two NKL 001 neckloops, four EAR 013 earphones, one ANT 025 whip antenna, a TFP 048 power supply, a WLC 004 U.S. main power cord, one WCA 013 audio cable, four sets of BAT 001-2 AA alkaline batteries, and an IDP 008 ADA wall plaque.

Note:
This system is approved by the FCC for operation in U.S. markets. The system cannot be used in all countries. Check with your government radio regulations for 72-76 MHz operation.
Williams Sound PPA T45NET Personal PA FM Base Station Transmitter with Network Control

The PPA T45NET Personal PA FM Base Station Transmitter with Network Control from Williams Sound is an assistive listening transmitter that provides you the option of network control and monitoring via its Ethernet port. It has a 1000-foot range of operation for use in larger areas, and features both analog and digital inputs for a variety of connectivity options. In addition to its network control capabilities, the PPA T45NET can be controlled via its front-panel push buttons and OLED screen.

Network Control Capability via Ethernet (10-base-T) using any web browser
Multiple Digital Audio Inputs (AES, SPDIF) provide direct connection to digital signal sources
OLED high-resolution screen with simplified menu navigation, offers access to full system functions
DSP Audio Processing
Simple set-up and operation
1000' operating range
OLED display, push-button menus
Microprocessor controlled
Adjustable RF power output
Combo XLR, 1/4" TRS inputs
Williams Sound PPA R37 Select Channel FM Receiver with Earphone

The PPA R37 Select Channel FM Receiver with Earphone from Williams Sound is a compact and easy-to-use beltpack receiver that allows you to listen to an FM signal in the 72-76MHz band. The receiver offers seek button channel selection between 17 pre-set frequencies, which are digitally synthesized for terrific audio clarity and signal stability. It also features a channel lock capability to prevent accidental changes.

The receiver has an ergonomic design with a detachable belt clip, allowing you to slip it into your pocket or conveniently clip it to your clothing. The standard-sized 3.5mm headphone jack is compatible with mono and stereo headphones and earphones, and also supports induction neckloops and telecoil-equipped hearing aids. An EAR 013 single-ear earphone is included so you can listen right out of the box. The receiver operates on a pair of standard alkaline batteries, which are also included. A sleep mode helps to preserve battery life.

Note:
This receiver requires a transmitter operating on a 72-76MHz band. Compatible Williams Sound transmitters: PPA T35, T27, T32, and T36. This receiver is approved by the FCC for operation in US Markets. The receiver cannot be used in all countries. Check with your government's radio regulations for 72-76MHz operation.
Ideal for assisted listening applications in schools, houses of worship, auditoriums, theaters, and more
Compact and easy-to-use design allows you to listen to an FM signal in the 72-76MHz band
The receiver's seek button lets you choose between 17 pre-set frequencies, which are digitally synthesized for terrific audio clarity and signal stability. The channel lock capability prevents accidental changes to channel settings
The ergonomic design and detachable belt clip allow you to slip it into your pocket or conveniently clip it to your clothing
The standard-sized 3.5mm headphone jack is compatible with mono and stereo headphones and earphones, and also supports induction neckloops and telecoil-equipped hearing aids. An EAR 013 single-ear earphone is included so you can listen right out of the box
Operates on a pair of standard alkaline AA batteries, which are included. A sleep mode helps to preserve battery life
UPC: 707976002815
Williams Sound NKL 001 Induction Neckloop for T-Switch Hearing Aids

The Williams Sound NKL 001 is an induction neckloop designed to magnetically couple an audio signal to a telephone coil-equipped (T-Switch) hearing aid. The neckloop has a standard 1/8" mini plug that can be connected to any audio device that has an 8-16 Ohm 1/8" output, such as a beltpack receiver, TV, tape player, etc. The neckloop has a slider so you can adjust the tension, and the 18" cord provides a good amount of slack for use with body-worn devices.

  • Integrated safety breakaway device
  • Cord Length: 18"
  • Adult size
  • Connector: 1/8" mono plug
  • Monoaural
  • Impedance: 8 to 16 Ohms
  • Recommended for FM receivers and select IR receivers
  • For individuals with moderate to severe hearing loss
Williams Sound EAR 013 Single Mono Earbud

The Williams Sound EAR 013 Single Mono Earbud is ideal for use with bodypack receivers as part of assistive listening or tour guide systems. The foam earpad provides comfort, while the 39" cord provides plenty of slack. The standard 3.5mm mono plug is compatible with a wide variety of devices.

  • Fits in the outer part of the ear
  • Excellent sound quality
  • 1/8" mono plug
  • 39" cord
  • Monoaural
  • 32 Ohms
  • Recommended for FM receivers and select IR receivers
  • Designed for individuals with mild to moderate hearing loss
UPC: 707976052049
Williams Sound ANT025 Telescoping Whip Antenna for T45 Transmitter (39")

The Williams Sound ANT025 is a 39" telescoping whip antenna intended for use with the T45 personal PPA transmitters.

  • For use with PPA T45, PPA T45NET, and PPA T27 transmitters
  • Screw to PCB connector type
  • 39" length
UPC: 707976050182
Williams Sound TFP 048 Power Supply for PPA T45 and PPA T45NET

The TFP 048 Power Supply for PPA T45 and PPA T45Net from Williams Sound can be used as a power supply for Williams Sound PPA T45 and PPA T45NET. Please note, line cord not included.

Compatibility
  • PPA T45 - Personal PA FM Base Station Transmitter
  • PPA T45NET - Personal PA; FM Base Station Transmitter with Network Control
  • WLC 004 - Main power cord (U.S.)
  • WLC 005 - Main power cord (EURO)
  • WLC 006 - Main power cord (UK)
  • WLC 007 - Main power cord (AUS)
  • Williams Sound WLC 004 3-Pin US Main Power Cord for CHG 3512 Charger, IC-2 Control Console, and WIR TX75 Transmitter (Black, 7.5')

    The black 7.5' WLC 004 3-Pin US Main Power Cord from Williams Sound can be used with CHG 3512 3V 12 unit charger, CHG 3512 PRO 3V 12 unit charger with case, IC-2 interpreter control console, and WIR TX75 mid-range infrared transmitter.

    Williams Sound WCA 013 RCA Audio Cable (3')

    The three foot WCA 013 RCA Audio Cable from Williams Sound is a standard RCA phono male to RCA phone male cable, designed to be used as an audio input cable for the company's PPA T27 and PPA T35 personal PA base station transmitters. The cable can also be used in any application that requires unbalanced audio connectivity using RCA connectors.

    UPC: 707976052124
    Williams Sound IDP008 - ADA Wall Plaque for Hearing Assistance

    The IDP008 from Williams Sound is a self-adhesive wall plaque that alerts your patrons to the fact that your establishment has a hearing assistance system. Perfect for theaters, auditoriums, and more, the plaque is large and easy-to-see.

    UPC: 707976002617
    Williams Sound AA Alkaline Battery (2-Pack)

    This Williams Sound AA Alkaline Battery 2-pack is compatible with several FM listening systems, receivers, transmitters, earphones, headphones, and more.

    Kit Contains:

    Williams Sound PPA T45NET Personal PA FM Base Station Transmitter with Network Control

    General
    Rack Mount
    Standard 19" (482.6 mm) Rack, one EIA rack space high, 1/2 space wide
    Power Supply
    TFP 048 Desktop style transformer
    Input: 100 to 240 VAC, 50/60 Hz, IEC Line Cord
    Output: 24 VDC, 750 mA, 18 W, 2.5 mm ID center positive barrel connector
    Indicators
    Push On/Push Off latching power button,
    Backlit Green indicates Power ON
    Backlight off indicates power OFF
    Temperature Range
    Operating: +32° to +104°F (0° to 40°C)
    Storage: -4° to +158°F (-20° to 70°C)
    Settings
    Menu Settings:
    Audio Presets (Music, Voice, Hearing Assist, Custom)
    Frequency/Channel selection
    Frequency/Channel mode
    Audio Input Source (Microphone, Line, Phantom, Digital AES/EB, Digital S/PDIF)
    High Pass Filter
    Low Pass Filter
    Compression
    RF Output Power
    Screen Saver Delay
    Test Tone (400 Hz)
    Headphone Volume
    Headphone Source
    RF System
    Operating Frequencies
    72.1 to 75.9 MHz , 17 wideband channels (selectable)
    Frequency Accuracy
    ± 2 ppm stability, 0 to 50˚C
    Deviation
    ± 75 kHz maximum
    Pre-Emphasis
    75 µsec
    RF Field Strength
    Does not exceed 80 mV/m @ 3 m
    Antennas
    Compatible Antennas: ANT 005, ANT 021, ANT 024, or ANT 025
    Transmission Range
    Up to 1000' (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector
    RF
    Timer: Menu selectable - 30 minutes, 4 hours, or Always On. Timer starts when no audio is present
    Power: Menu selectable - High, Medium, Low, Off
    Outputs: 1x #10-32 stud connector in center of unit (PCB mounted), 1x F-connector on rear chassis
    Transmit Indicator: 1 Green LED, indicates RF ON
    Audio
    Processor
    DSP: Compression: 1:1, 1.5:1 or 2:1; High Pass and Low Pass Filter Frequency control
    Frequency Response
    31 Hz to 16000 kHz, ±3 dB (Music Audio Preset)
    Signal to Noise Ratio
    ≥74 dB Transmitted RF
    Total Harmonic Distortion
    < 0.25% @ 1 kHz (RF output)
    CMR
    >57 dB @ 1 kHz, Mic or Line
    Inputs
    1x Combination 3-pin XLR, 1/4" (6.3 mm) TRS jack for Mic or Line Level Analog Audio. Balanced or Unbalanced Line Level, or Microphone with Selectable Phantom Power.
    1x XLR for Digital Audio, AES3/EBU, supported sample rates 44.1 and 48 kHz
    1x RCA for Digital Audio, S/PDIF, supported sample rates 44.1 and 48 kHz.
    Input Gain Adjustment
    In menu, adjustable to 0 to -50 dB, in 1 dB steps
    Phantom Power
    14.4 VDC applied through 2.2 kΩ resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on 1/4" (6.3 mm) TRS jack
    Indicators
    Audio Level Indicators:
    10-LED array that reads -18 to +9 dB at 3 dB intervals. 7 Green, 2 Amber, and 1 red LED. Green LEDs indicate normal operating audio level peaks, Amber LEDs indicate close to overload peaks, Red LED indicates overload peaks
    Microphone Input
    Microphone Input Levels @ 0 dB, Balanced or Unbalanced:
    Nominal: -55 dBV (1.7 mV RMS)
    Overload Warning: -15 dBV (180 mV RMS)
    Absolute Maximum Ratings: +20 dBV (10.0 V RMS)
    Line Input
    Line Input Levels @ 0 dB, Balanced or Unbalanced:
    Nominal: -25 dBV (55 mV RMS)
    Overload Warning: +16 dBV (6.3 V RMS)
    Absolute Maximum Ratings: +20 dBV (10.0 V RMS)
    Headphone Output
    1/4" (6.3 mm) TRS stereo jack, mono signal
    15.7 mW, maximum in 33 Ω (level adjustable in menu 0 to -40 dB in 2 dB steps)
    Line Output
    RCA jack (black), -10 dBV (0.32 VRMS),
    Output Impedance: 100 Ω
    Ethernet
    RJ-45
    Dimensions & Weight
    Dimensions
    8.5 x 8.3 x 1.7" (21.5 x 21 x 4.4 cm)
    Weight
    3 lb (1.4 kg)
    Packaging Info
    Package Weight
    5.7 lb
    Box Dimensions (LxWxH)
    12.6 x 10.3 x 3.6"

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