User manual
Williams Sound FM 457-12 PRO Personal

User Manual for Williams Sound FM 457-12 PRO Personal PA FM Assistive Listening System

• Product category: Assistive Listening Systems Williams Sound
• Brand: Williams Sound
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Williams Sound Assistive Listening Systems

Product description

• PPA T45 Assistive Listening Transmitter The Williams Sound PPA T45 transmitter offers multiple digital audio input options, and an OLED high-resolution screen with simple menu navigation. It features 3 microprocessors and high-quality audio and RF performance, designed to take the guesswork out of complex audio installations. Simply select among voice, music, or hearing assistance in the application preset menu, and this transmitter quickly configures itself. With a range of up to 1000 feet, the PPA T45 is ideal for large venues where superior coverage is essential.
  Features:
  • • Multiple digital audio inputs (AES, SPDIF) provide direct connection to digital signal sources
    • OLED high-resolution screen with simplified menu navigation, offers comprehensive and convenient access to full system functions
    • DSP audio processing
    • Sleek and stylish new design
    • 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
    • Lifetime PLUS Limited Warranty (90 days on accessories)
• PPA R37 N Select Channel FM Receiver (No Earphone/Batteries) The PPA R37 N Select Channel FM Receiver (No Earphone/Batteries) 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. The receiver operates on a pair of standard alkaline AA batteries (sold separately). 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.
  
  You must supply your own earphones/headphones and AA batteries.
  • 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 ¹

    Please Note:

    Transmitter required, sold separately. close
  • 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
  • Operates on a pair of standard alkaline AA batteries (sold separately). A sleep mode helps to preserve battery life
• EAR 022 Surround Earphone The Williams Sound EAR022 is a single-sided, clip-on earphone ideal for use with personal listening devices. The clip is designed to fully surround the ear for maximum stability and comfort. The monaural 1/8" mini-plug is compatible with a wide variety of devices.
  • • Hangs on outside of the ear
    • Plug: 1/8" mono
    • Cord: 3.3'
    • Monaural
    • 32 Ohms
    • Recommended for FM receivers and select IR receivers
    • Designed for individuals with mild and low gain hearing loss
• 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
• CHG3512 - 12-Bay Body-Pack Charger The CHG3512 from Williams Sound is a 12-bay charger designed for use with a variety of transmitters and receivers including the PLR BP1 loop receiver, PPA R37 & R38 receivers, PPA T46 FM transmitter, and the WIR RX22-4 infrared receiver. The rack charges your devices in about 16 hours, keeping them organized and saving you from having to continually replace alkaline batteries. Each bay has its own LED indicator that flashes when charging is complete. The charging system includes the 12-bay unit, a power supply, and a power cord.
  • • Drop-in, 12-unit charger for body-pack style transmitters and receivers
    • For use with:
      • PLR BP1 Loop receiver
      • PPA R37 FM receiver
      • PPA R38 FM receiver
      • PPA T46 FM transmitter
      • WIR RX22-4 Infrared receiver
• ANT005 - Remote Coaxial Antenna for 72-76 MHz PPA Transmitters The Williams Sound ANT005 is a 22' coaxial antenna designed to be used with any personal PA system or large-area FM transmitter that operates at 72 to 76 MHz. It provides the system with a maximum operating range.
  • • For Use with: PPA T45,PPA T45NET, PPA T27 transmitters
    • Connector Type: F-connector
    • Cable Type: RG 59 coax
    • Nominal Impedance: 75 Ohms
    • Total Cable Length: 22'
    • Active Antenna Length: 80"
    • Compatible with optional 50' antenna extension
• RPK005 - Rack Mount Kit for Half Rack Products The RPK005 from Williams Sound is a rack mounting kit that allows you to mount 1/2 rack space products in a standard audio rack.
• 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.

• ANT025 - 39" Telescoping Whip Antenna for T45 Transmitter

• TFP 048 Power Supply for PPA T45 and PPA T45NET

• WLC 004 3-Pin US Main Power Cord for CHG 3512 Charger, IC-2 Control Console, and WIR TX75 Transmitter (Black, 7.5')

• WCA 013 RCA Audio Cable (3')

• Limted Lifetime Warranty

• Limted 90-Day Warranty on Accessories

• Belt Clip

• Limited Lifetime Warranty

• Limited 90-Day Warranty

• Limited 1-Year Warranty

• 12-Bay Charger

• Power Supply

• Power Cord

• Limited 1-Year Warranty

• Limited 90-Day Warranty

• 90-Day Limited Warranty

• 90-Day Limited Warranty

Also Includes

• 12 x BAT 026-2 AA NiMH Rechargeable Batteries (2-Pack)

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Technical parameters

• PPA T45 Assistive Listening Transmitter

  Rack Mount	Standard 19" Rack, one EIA rack space high, 1/2 space wide 1-2 units can be mounted in a single rack space with optional RPK 005 (single) or RPK 006 (double) rack mount kits
  Power Supply	Desktop-style transformer (TFP 048) Input: 100-240 VAC, 50/60 Hz, IEC line cord Output: 24 VDC, 750 mA, 18 W, 2.5 mm ID center positive barrel connector Approvals: UL, CUL, Energy Star V, CSA listed
  Indicators	Power Indicators: Push On/Push Off latching power button, backlit Green indicates Power ON, back-lit off indicates power OFFAudio 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
  Temperature Range	Operating: +32 to +104°F (0 to 40°C) Storage: -4 to +158°F (-20 to 70°C)
  Menu Options	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
  Operating Frequencies	72.1 to 75.9 MHz, 17 wideband channels (selectable)
  Frequency Accuracy	±2 ppm stability, 32 to 122°F (0 to 50˚C)
  Deviation	±75 kHz maximum
  Pre-Emphasis	75 µsec
  RF	RF Field Strength: Does not exceed 80 mV/m at 9.8' (3.0 m) RF Timer: Menu selectable - 30 Min, 4 Hours, or Always On Time starts when no audio is present RF Power: Menu selectable - High, Medium, Low, OFF RF Outputs: (1x) #10-32 stud connector in center of unit (PCB mounted), (1x) F-connector on rear chassis RF Transmit Indicator: 1 Green LED, indicates RF “ON”
  Antenna Type	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
  Audio Processing Functions	DSP, Compression: 1:1, 1.5:1 or 2:1, High Pass and Low Pass Filter Frequency control
  Frequency Response	31 Hz to 16 kHz, ±3 dB ("Music" audio preset)
  Signal-to-Noise Ratio	≥74 dB Transmitted RF
  Total Harmonic Distortion	Less than 0.25% @ 1 kHz (RF output)
  Common Mode Rejection	>57 dB @ 1 kHz, Mic or Line
  Audio Inputs	1x combination 3-pin XLR, 1/4" 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
  Gain Adjustment	In menu, adjustable to 0 to -50 dB, in 1 dB steps
  Phantom Power	14.4 VDC applied through 2.2 kOhms resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on 1/4" TRS jack
  Input Level	Microphone: -55 dBV (1.7 mV RMS), nominal (1st amber LED) -15 dBV (180 mV RMS), overload warning (displayed on screen) +20 dBV (10.0 V RMS), absolute maximum ratings Line: -25 dBV (55 mV RMS), nominal (1st amber LED) +16 dBV (6.3 V RMS), overload warning (displayed on screen) +20 dBV (10.0 V RMS), absolute maximum ratings
  Headphone Output	1/4" TRS stereo jack, mono signal, 15.7 mW, maximum in 33 Ohms (level adjustable in menu 0 to -40 dB in 2 dB steps)
  Line Output	RCA jack (black), -10 dBV (.32 V RMS), output impedance 100 Ohms
  Ethernet	RJ-45 on back of unit (PPA T45NET only)
  Approvals	FCC, RoHS2, WEEE, Industry Canada
  Dimensions	8.45 x 8.25 x 1.72" (21.5 x 21 x 4.4 cm)
  Weight	Transmitter: 3.0 lb (1.36 kg)

  Box Dimensions (LxWxH)	12.756 x 10.551 x 3.543"

• PPA R37 N Select Channel FM Receiver (No Earphone/Batteries)

  Channels	17, Accessed via Seek Button in Battery Compartment
  Operating Frequency	72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9MHz 75kHz Intermediate Frequency
  Deviation	75kHz
  De-Emphasis	75µS
  Range	AFC Range: ±120kHz
  Sensitivity	2µV @ 12dB Sinad with Quelch Defeated
  Max Input Signal	100mV
  Frequency Response	200Hz - 15kHz
  Modulation	FM, ±75kHz Peak Deviation
  Signal to Noise Ratio	65dB Min @ 100µV
  Output Level	35mW Max, Peak into 16 Ohms
  Connectors	3.5mm Stereo/Mono Headphone Jack
  Antenna	Uses Earphone/Headphone Cord as Antenna
  Battery	2 x AA Alkaline or NiMH Up to 50 Hours Life with Alkaline, Up to 32 Hours with Rechargeable NiMH Enters Sleep Mode After 6 mins with no RF Signal
  Current Consumption	52mA, Nominal
  Indicators	Green Power LED (Flashes for Low Battery)
  Temperature Range	32 to 122°F (0 to 50°C)
  Approvals	FCC, Industry Canada, RoHS, WEEE
  Finish	Black
  Dimensions (HxWxD)	4.1 x 2.85 x 1.38" (104 x 72 x 35mm)
  Weight	4.6 oz (130g) (With Batteries) 2.6 oz (73g) (Without Batteries)

  Box Dimensions (LxWxH)	4.0 x 3.0 x 1.0"

• EAR 022 Surround Earphone

  Style	Around-ear speaker
  Plug	1/8" / 3.5 mm mono
  Driver Size	0.9" / 23.0 mm
  Nominal Impedance	32 Ohms
  Frequency Response	20 Hz to 20 kHz
  Power Input	30 mW
  Sensitivity	118 dB @ 1 kHz
  Cord Length	39.0" / 99.1 cm
  Weight	0.5 oz / 15.0 g

  Box Dimensions (LxWxH)	2.7 x 2.2 x 0.3"

• NKL 001 Induction Neckloop for T-Switch Hearing Aids

  Magnetic Field Strength	25 mW input at 1000 Hz produces 1.7 A/m 6" above the center of loop 85μW input produces 0.1 A/m (IEC Standard)
  Input Power	500 mW max
  Impedance	8 to 16 Ohms
  Connector	1/8" / 3.5 mm mono mini-plug
  Cable Length	18 / 457 mm
  Color	Black
  Approvals	RoHS, WEEE
  Weight	1.5 oz / 43 g

  Box Dimensions (LxWxH)	5.6 x 4.1 x 1.0"

• CHG3512 - 12-Bay Body-Pack Charger

  For Use with	Receivers: PPA R37 PPA R35-8 R36 R863 RX22-4 style 3V Transmitters: PPA T36 PPA T46 PFM T36 T863 style 3V transmitters
  Charging Time	Approx. 16 Hours
  Charging Rate	16 Hour Charge: 140 mA Pulse/Maintain: 140 mA
  Capacity	12 Units
  Indicators	Individual Charging Indicators: 12 x red LEDs - (LEDs blink slowly when charging is complete)
  Power	Input: 90-240 VAC Supply: TFP 037 switching AC adapter, 5 VDC, 4 A output
  Approvals	CE, WEEE, RoHS
  Dimensions (LxWxH)	9.5 x 7.4 x 1.7" / 241 x 188 x 43 mm
  Weight	1.2 lbs / 0.54 kg

  Box Dimensions (LxWxH)	12.5 x 11.1 x 2.5"

• ANT005 - Remote Coaxial Antenna for 72-76 MHz PPA Transmitters

  For Use with	Transmitters: PPA T45 PPA T45NET PPA T27
  Connector Type	F-connector
  Cable Type	RG 59 coax
  Nominal Impedance	75 Ohms
  Total Cable Length	22.0' / 6.7 m
  Antenna Length	Active Antenna Length: 80.0" / 203.2 cm

  Box Dimensions (LxWxH)	6.2 x 6.2 x 1.9"

• RPK005 - Rack Mount Kit for Half Rack Products

  Box Dimensions (LxWxH)	9.8 x 4.5 x 0.5"

• IDP008 - ADA Wall Plaque for Hearing Assistance

  Dimensions (WxH)

  6.5 x 10.5" (165 x 266 mm)

  Box Dimensions (LxWxH)	7.3 x 4.3 x 0.1"

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