Discontinued

PFM 330

Motiva® Personal FM Listening System

Product Highlights

  • 16 selectable channels
  • Auxiliary input -- broadcast any audio source
  • Operates up to 150’ (46 m)

Description

The Motiva Personal FM System reduces background noise and maximizes listening by wirelessly broadcasting a speaker’s voice, audio program or simultaneous mix for all participants to hear. It’s ideal for classrooms, small group listening, employee training, consultations, or any environment where listening can be difficult. Rechargeable version of this system is available (PFM 330 RCH).

System Includes

(1) PFM R33 receiver

(1) PFM T36 transmitter

(1) MIC 090 lapel microphone

(1) EAR 013 single mini earbud

(2) CLP 023 removable belt clips

(1) WCA 087 auxiliary input cable

(1) CCS 043 system carry case

(4) BAT 001 AA alkaline batteries

Pfm 330

Features

  • 16 selectable channels
  • 72-76 MHz
  • Auxiliary input -- broadcast any audio source
  • FM signal, compression, mute control
  • Operates up to 150’ (46 m)
  • Improves listening for individuals or groups
  • 5 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

PFM R33 Architectural and Engineering Specifications

  • The PFM R33 shall be a wideband sixteen channel synthesized FM receiver operating on 72MHz to 76MHz. It shall be housed in a titanium colored PC/ABS plastic enclosure 4.6" x 1.1" x 2.8" and be compatible with the CHG 3502 and CHG3512 chargers.
  • The R33 shall be powered by two AA batteries and shall run for 21 hours on two alkaline disposable batteries and seventeen hours on the Williams Sound Corp. BAT 026 rechargeable batteries.
  • The R33 shall have the antenna integrated into the headphone cord. The top bezel shall have a 3.5mm stereo jack that can drive both stereo and mono headphones, a rotary on/off volume control and have a power LED and an FM indication LED.
  • Inside the battery compartment there shall be a rotary squelch control, rotary tone control, a sixteen position channel selector, an Alkaline or NiMH switch to select for charging operation and an output control which can reduce the maximum output by up to 17dB.
  • The R33 shall be FCC, Industrie Canada and RoHS compliant and shall have a five year warranty. This receiver shall be the Williams Sound PFM R33.

PFM R33

Dimensions 4.6" L x 2.8" W x 1.1" H (116 mm x 71 mm x 28 mm)
Weight 3.4 oz (96 g), no batteries
Color Titanium and Black
Housing Material Shatter-resistant PC/ABS plastic
Battery Type Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001), 70 mA nominal current drain, approximately 21 hours life, or Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 70 mA nominal current drain, approximately 17 hours per charge, recharges in 14-16 hours, uses CHG 3502 or CHG 3512 Charger.
Operating Frequencies Selectable, 16 channels, 72.1 - 75.9 MHz*
FM Deviation ± 75 kHz max synthesized, crystal reference, PLL
Sensitivity 2.5 µV at 12 dB Sinad with Squelch defeated, Squelch set by user.
Freq Response 200 Hz to 12 kHz, -3 dB
Signal-to-Noise Ratio 62 dB at 100 µV
Receive Antenna Integral with earphone/headphone cord
External Controls FM Volume: rotary control with on/off switch
Environmental Mic Volume Rotary control
Internal Controls Tone: Rotary control
Channel 16 position rotary switch
Output (SPL) Limit Rotary control
Squelch rotary control
Indicators On/off/low battery and FM LED's
Mic Input 3.5 mm mono phone jack with electret microphone bias, external adjustable gain with 50 dB range
Audio Output Stereo jack produces 30 mW, max at 16 Ohm, can be reduced by internal SPL limit control up to 17 dB
Approvals/Directives FCC, Industry Canada, RoHS, WEEE
Warranty 5 years, parts and labor (90 days on accessories)

 

DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.

*NOTE: The PFM 330 system is approved by the FCC for operation in U.S. Markets. The system cannot be used in all countries. Check with your government´s radio regulations for 72-76 MHz operation.

PFM T36 Architectural and Engineering Specifications

  • The PFM T36 is a wide band body-pack transmitter and shall operate on 16 selectable frequencies between 72MHz and 76MHz. It shall operate for up to 30 hrs with two AA Alkaline batteries and shall be housed in a titanium colored PC/ABS plastic enclosure. The T36 shall have a 3.5 mm microphone jack and a 2.5 mm auxiliary audio input jack. The T36 shall have access to channel select, compression on/off, channel lock, master gain and aux gain inside the battery compartment. There shall be a power switch which also serves as a microphone mute control on the top bezel of the transmitter.
  • The T36 shall have wide band modulation at 75KHz peak with a frequency response of 200Hz to 16KHz. The transmitting antenna shall be integrated into the 40 inch microphone cable.
  • The PFM T36 shall be covered under a five year parts and labor warranty. This transmitter shall be the Williams Sound PFM T36.

PFM T36

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
Housing Material 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 or 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 Freq's Selectable, 16 channels, 72.1 - 75.9 MHz* (channels 1-8 correspond with R35-8 receiver channels)
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)
Freq 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
Mic Input 3.5 mm mono phone jack with electret mic bias, internal adjustable master gain with 25 dB range
Aux Input 2.5 mm stereo phone jack, internal adjustable gain with 60 dB r nge
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
Warranty 5 years, parts and labor (90 days on accessories)

 

DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.

*NOTE: The PFM 330 system is approved by the FCC for operation in U.S. Markets. The system cannot be used in all countries. Check with your government´s radio regulations for 72-76 MHz operation.

Accessories for Motiva® Personal FM Listening System

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

BAT 001 AA Alkaline Battery

BAT KT6 Charger kit for body-packs, 2-bay

MIC 020 Lightweight rear wear mic

MIC 100 Unidirectional headband microphone

downloads

Download/View Name Type Language
PFM R33 Specifications Specifications English
FM Brochure - Low Res Brochures English
FM Brochure - High Res Brochures English
PFM 330/330 RCH Sell Sheet Sell Sheets Español
PFM/Motiva Quick Setup Guide Manuals English
PFM 330/330 RCH Sell Sheet Sell Sheets English
PFM 330/360 Manual Manuals English, Español

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