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Williams Sound PFM PRO Personal FM

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User Manual for Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries

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Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Contents of the user manual for the Williams Sound PFM PRO Personal FM
  • 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

Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries
User manual for the Williams Sound PFM PRO Personal FM contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Williams Sound product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Williams Sound user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Williams Sound product will considerably shorten its lifespan!

Product description

The PFM PRO Personal FM Listening System with Alkaline Batteries from Williams Sound delivers superior audio directly to the ear, enhancing sound at home, work, or school - anywhere background noise or distance from the source makes listening difficult. The system features 17 selectable channels on the 72-76 MHz band and has an operating range of up to 150 feet. A versatile 3.5mm jack allows for a variety of earphones and headphone options, and is compatible with neckloops and telecoil-equipped hearing aids (not included with system).
  • PPA T46 Personal PA Bodypack Transmitter (Black & Silver) The black & silver Williams Sound PPA T46 Personal PA Bodypack Transmitter broadcasts a speaker’s voice or audio program on one of 17 available channels, 72 to 76 MHz, to listeners using PPA R35-8 or PPA R37 Receivers or an R1600 Speaker (each unit sold separately).The unit features flexible microphone and auxiliary input jacks, push-button on/off/mute controls, channel lock, and selectable compression. This unit has the ability to operate in dual channel mode, allowing the user to easily switch between 2 different transmitting channels, each with its own set up parameters. An OLED screen displays current operating status and menu information. This bodypack transmitter operates up to 30 hours on 2 AA alkaline batteries, and up to 20 hours with 2 NiMH batteries (batteries sold separately).It also has a rechargeable capability when used with Williams Sound drop-in chargers (sold separately). Lightweight and portable, the PPA T46 Transmitter operates at a range of up to 150’ (46m) from the listening audience. It is suitable for providing hearing assistance to students in the classroom, tour group participants, employee training, business meetings, and more. Note: Note: The Personal PA system is approved by the FCC for operation in U.S. markets. The Personal PA cannot be used in all countries. Check with your government

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Technical parameters

  • PPA T46 Personal PA Bodypack Transmitter (Black & Silver)
    Operating Frequencies Selectable, 17 channels, 72.1 to 75.9 MHz
    Switchable 8- or 17-channel mode
    8-channel mode setting corresponds with PPA R35-8 receiver channels
    Stability ±0.005%, frequency synthesized, crystal reference, PLL
    Modulation Wide-band FM, 75 kHz peak, 75 µs pre-emphasis
    RF Output 80 mV/m at 3 m (maximum allowed by FCC rules)
    Frequency Response 180 Hz to 13 kHz, ±3 dB at 1% maximum THD
    Signal-to-Noise Ratio 65 dB (typical), transmitted
    Antenna Integral with microphone cord
    Microphone Electret type, 3.5 mm mono plug
    Display OLED for status and menu information

    Status: Channel/Frequency, mic audio level, auxiliary input audio level, battery status, mic mute, channel lock, dual-preset modes

    Menu: Channel/frequency display mode select, volume, auxiliary input, compression, 17- or 8-channel mode, screen time out, screen brightness, restore default settings
    External Controls Momentary Push Button: Push and hold 3 seconds for power on/off, push and release for microphone mute On/Off

    Left, right, and menu buttons for accessing and changing transmitter settings

    Battery type switch (alkaline or NiMH) located behind the battery compartment door
    Indicators Power LED: Green, flashes when battery is low
    Mic Input 3.5 mm mono jack with electret mic bias, adjustable gain with 25 dB range
    AUX Input 2.5 mm stereo jack, adjustable gain with 60 dB range
    Audio Compression Method 1:1 (Off) or 2:1 (On) selectable in menu
    Battery Type 2 x AA 1.5 V BAT 001-2 non-rechargeable alkaline batteries, 75 mA nominal current drain, up to 30 hours battery life
    2 x AA 1.5 V BAT 026-2 NiMH rechargeable batteries, 75 mA nominal current drain, up to 20 hours battery life per charge, recharges in 14 to 16 hours, uses CHG 3502 or CHG 3512 Charger (sold separately)
    Enclosure Material Shatter-resistant PC/ABS plastic with textured scratch-resistant aluminum faceplate
    Dimensions (L x W x D) 4.1 x 2.8 x 1.1" (104.1 x 71.1 x 27.9 mm)
    Weight 2.6 oz (73.7 g) without batteries
    Box Dimensions (LxWxH) 5.5 x 5.25 x 1.75"
  • PPA R37 Select Channel FM Receiver with Earphone
    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
    Earphone Earbud Type, Foam Cushion, 32 Ohm Impedance, Standard 3.5mm Plug
    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) 5.6 x 5.2 x 1.8"
  • EAR 041 - Single, In-Ear, Isolation Earphone
    Style Monaural in-ear
    Plug 1/8" / 3.5 mm mono
    Driver Size 0.4" / 10.0 mm
    Nominal Impedance 16 Ohms
    Frequency Response 20 Hz to 20 kHz
    Power Input 5 mW
    Sensitivity 104 dB @ 1 kHz
    Replacement Parts Replacement Silicone Tip: EAR 043 (one pair)
    Cord Length 39.0" / 99.1 cm
    Weight 0.2 oz / 6.0 g
    Box Dimensions (LxWxH) 5.45 x 3.2 x 0.45"
  • HED 021 Folding Mono Headphones
    Driver Size 1.2" / 30 mm
    Design On-Ear (Supra-aural)
    Frequency Response 20 Hz to 20 kHz
    Sensitivity 110 dB at 1 kHz
    Impedance 32 Ohms
    Maximum Power Handling 100 mW
    Foldable Yes
    Audio Connector 1/8" (3.5 mm)
    Cable Length 39" / cm
    Weight 1.8 oz / 52 g
    Box Dimensions (LxWxH) 6.1 x 4.8 x 1.0"
  • 3.5mm Stereo to 2.5mm Stereo Auxiliary Audio Input Cable for PPA T46 Transmitter (3')
    Compatible With PPA T46 Personal PA Body-Pack Transmitter
    Connectors 3.5 mm Stereo Male (Right-Angled)
    2.5 mm Stereo Male
    Compliance RoHS
    Length 3.0' (0.9 m)
    Weight 0.64 oz (18.14 g)
    Box Dimensions (LxWxH) 3.0 x 3.0 x 0.5"
  • MIC 090 Mini Lapel Clip Microphone
    Element Electret condenser
    Pickup Pattern Omni-directional
    Impedance 1.5 kOhms
    Frequency Response 20 Hz to 18 kHz
    Dynamic Range 79 dB
    Sensitivity -56 dB (±3 dB)
    Signal-to-Noise Ratio (SNR) 63 dB
    Plug Right Angle: 1/8" / 3.5 mm
    Cable Length 3.3' / 1.0 m
    Color Black
    Approvals RoHS
    Replacement Parts Replacement Windscreen: WND 006
    Replacement Clip: CLP 090
    Box Dimensions (LxWxH) 2.5 x 2.5 x 0.5"
  • AA Alkaline Battery (2-Pack)
    Battery Type 2 x AA
    Battery Chemistry Alkaline
    Battery Voltage 1.2 V
    Box Dimensions (LxWxH) 1.9 x 1.0 x 0.5"


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