Discontinued

PFM 863

Hearing Helper® Personal FM System

Product Highlights

  • Designed exclusively for the european market
  • Portable, wireless operation
  • Ideal for classrooms, training and consultations

Description

Designed for the European marketplace as the ideal wireless communications system for classrooms, job training, consultation and more. The system helps to overcome background noise, distance from the speaker, and improves listening for individuals and groups. The Personal FM system operates on 863 MHz, meets RoHS approval guidelines, and is backed by a 3-year warranty.

 

NOTE: The system cannot be used in all countries. Check with your government´s radio regulations for 863 MHz operation.

System Includes

(1) T863 transmitter

(1) R863 receiver

(1) EAR 013 single mini earbud

(1) MIC 090 lapel microphone

(4) BAT 001 AA alkaline batteries

(1) CCS 043 system carry case 

*All items can be purchased separately.

Pfm 863-w-case

Features

  • Portable, wireless operation
  • Three-channel selectable: 863.250/863.750/864.750 MHz
  • Ideal for classrooms, training and consultations
  • Overcomes background noise, distance from the speaker
  • May be used with telecoil-equipped hearing aids (with optional neckloop) 
  • 3-year warranty (90 days on accessories)




Specifications

EAR 013

Plug

3.5 mm mono

Cord length

39 inches

Impedance

32 Ohms

Frequency Range

20 - 20kHz

Max input power

5mV

Sensitivity

128dB @ 1kHz

Driver size

13 mm

Weight

9g

Replacement earpad

EAR 015

MIC 090

Color

Black

Weight

15 g (0.5 oz)

Plug

3.5mm mono

Cord

39"

Phantom Powered

No

Nominal Impedance

1500Ω @ 1kHz

Operating Voltage

1.5 - 10VDC

Freq. Response

20 - 18kHz

Pick-Up Pattern

Omni-direct

Transducer Type

Back electret

Max Input Sound Level

110dB SPL

Sensitivity

-56dB ± 3dB

Replacement Windscreen

WND 090

Replacement Lapel Clip

CLP 090

Warranty

90 days

R863 Architectural and Engineering Specifications

  • The R863 shall be a portable, belt-pack equipped wide-band receiver. The unit shall have three user-selectable operating frequencies of 863.25 MHz for CH 1, 863.75 MHz for CH 2 and 864.75 MHz for CH 3. The R863 shall be housed in a black polycarbonate impact-resistant enclosure and feature a 3.5mm ear jack that can accept stereo or mono earphones.
  • The receiver shall include an adjustable volume control, integrated on/off/channel selector and power ON indicator LED. The power ON LED shall flash to indicate low battery.
  • The receiver shall operate on two AA alkaline batteries for approx. 40 hours of operation or 30 hours when using Williams Sound NiMH rechargeable batteries (BAT 026). The receiver shall have drop-in charging points for charging with the optional CHG 3512.
  • The R863 shall have an operating range of approx. 30 meters (98 feet) when used with the T863 transmitter, and shall a signal to noise ratio greater than 50dB and 60 kHz deviation.
  • The R863 shall have CE, ETSI EN 301 357-1, ETSI EN 310 357-2 approvals, and be compliant with RoHS and WEEE regulations. The unit shall have a three year parts and labor warranty.*
  • The receiver shall be the Williams Sound model number R863.

R863

Dimensions:

115 mm H x 72 mm W x 30 mm T
(4.5" H x 2.85 W x 1.2" T)

Weight:

85 grams (3 oz.), no batteries

Color:

Black

Material:

ABS/Polycarbonate, shatter-resistant

Battery Type:

Two (2) AA 1.5 V Non-rechargeable Alkaline batteries
(BAT 001), 50 mA nominal current drain, 40 hours approx. life
(OR)
Two (2) AA 1.2 V NiMH Rechargeable batteries (BAT 026),
50 mA nominal current drain, 30 hours per charge approx., recharges in 14–16 hours, uses CHG 3512 Multiple Battery Charger

Operating Frequencies:

CH 1 - 863.25 MHz; CH 2 - 863.75 MHz;
CH 3 - 864.75 MHz ( ± 30 kHz)

Operating Range:

30 meters (98.4 feet) with T863 transmitter

Stability:

± .05 MHz, 0 - 50° Celsius

FM Deviation:

60 kHz ±5 kHz, transmitter input at 1 kHz, 2.5 mV

De-Emphasis:

50 µS

Sensitivity:

< - 90 dBm @ 60 kHz deviation

Squelch:

-100 dB @ 6 kHz

Freq Response:

500 Hz - 5 kHz, ±3 dB

Distortion:

< 2.0% THD

Signal–Noise Ratio:

>50 dB ( ± 5 dB) with transmitter input at 1 kHz, 2.5mV

Antenna:

Internal wire monopole

Controls & Indicators:

Volume control knob: Channel selector (four position rotary switch): Position 1 is off; position 2 is CH1; position 3 is CH 2; position 4 is CH 3

Power on indicator: Red LED “on" indicates when receiver has power

Low battery indicator: Power LED flashes when batteries are low

Battery selector: Slide switch for alkaline or NiMH battery operation

Headphone jack:

3.5 mm jack, mono output, 8-32 ohm impedance

Charging Contacts:

Designed for use with CHG 3512 Battery Charger and CHG 3502

Approvals:

CE, RoHS, WEEE, ETSI EN 301 357-1, ETSI EN 301 357-2

Warranty:

3 years parts and labor (90 days on accessories)

T863 Architectural and Engineering Specifications

  • The T863 shall be a portable, belt-pack-equipped, wide-band transmitter. The unit shall have three user-selectable operating frequencies of 863.25 MHz for CH1, 863.75 MHz for CH 2 and 864.75 MHz for CH 3. The T863 shall be housed in a black polycarbonate impact-resistant enclosure and feature a two-inch external antenna and 3.5mm mono microphone input.
  • The transmitter shall include an integrated on/off/channel selector control, an internal mic gain control, and power ON indicator LED. The power ON LED shall flash to indicate low battery.
  • The transmitter shall operate on two AA alkaline batteries for approx. 20 hours of operation or 15 hours with Williams Sound NiMH rechargeable batteries (BAT 026). The transmitter shall have drop-in charging points for charging with the optional CHG 3512.
  • The T863 shall have an operating range of approx. 30 meters (98 feet) when used with the R863 receiver and a signal ratio greater than 50dB with the R863 and 60 kHz deviation.
  • The T863 shall have CE, ETSI EN 301 357-1, ETSI EN 301 357-2 approvals, and be compliant with RoHS and WEEE regulations. The unit shall have a three year parts and labor warranty.*
  • The transmitter shall be the Williams Sound model number T863.

T863

Dimensions:

4.1" L x 2.8" W x 1.1" H (104 mm x 71 mm x 28 mm)

Weight:

2.6 oz (74 g), no batteries

Color:

Black, shatter-resistant PC/ABS plastic

Battery Type:

Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001), 70 mA nominal current drain, 30 hours approx. life

Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 70 mA nominal current drain, 20 hours per charge approx., recharges in 14–16 hours, uses CHG 3502 or CHG 3512 Charger

Operating Frequencies:

Selectable, 16 channels, 72.1 – 75.9 MHz* (channels 1-8 correspond with R35-8 receiver channels and PPA R1600)

Stability:

± .005%, frequency synthesized, crystal reference, PLL

Modulation:

Wide-band FM, 75 kHz pk, 75 µS pre-emphasis

RF Output:

80 mV/m at 3 m (max. allowed by FCC rules)

Frequency Response:

200 Hz to 13 kHz, ± 3 dB at 1% max. THD

Signal-to-Noise Ratio:

65 dB (typical) transmitted

Transmit Antenna:

Integral with microphone cord

Microphone:

Electret type, 3.5 mm mono phone plug

External Controls:

Momentary push button: push and hold 3 seconds for power On/Off, push and release for microphone mute On/Off; Rotary sixteen channel switch (with internal channel lock switch)

Mic Input:

3.5 mm mono phone jack with electret mic bias, internal adjustable gain with 25 dB range

Aux Input:

2.5 mm stereo phone jack, internal adjustable gain with 60 dB range

Audio Compression:

1:1 or 2:1 ratio selected with internal slide switch

Compatible Receivers:

PFM R31, PFM R32, PFM R33, PFM R36, PPA R35, PPA R35-8, PPA R1600

Approvals/Directives:

FCC, Industry Canada, RoHS, WEEE

Warranty:

5 years, parts and labor (90 days on accessories)

Accessories for Hearing Helper® Personal FM System

All Williams Sound headphones and earphones are compatible with this product.

Earphones
Headphones

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downloads

Download/View Name Type Language
PFM 863 Manual Manuals English
PFM 863 Manual Supplements English
PFM 863 Specifications Specifications English
PFM 863 Manual Español Supplements Español

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