Williams Sound PFM 350 RCH specifications Description, PFM T32 FM Transmitter, T32 Top, T32 Front

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Hearing HelperPersonal FM System • Model PFM 350 RCH

Hearing HelperPersonal FM System • Model PFM 350 RCH

ADA

Description:

Maximize a student’s ability to listen with the Personal FM System 350 RCH from Williams Sound. Personal FM systems deliver the teacher’s message directly to the student’s headphones by way of FM signal, eliminating background noise and other distractions. It’s perfect for classrooms, job training, consultation and more. Portable, no wire, no hassle. Each PFM 350 RCH system has a range of up to 150 feet, and will operate up to 60 hours at one time. Versatile 3.5 mm jack allow for a variety of earphone and headphone options, or equip it with a neckloop and it is compatible with most telecoil-equipped hearing aids. The PFM 350 RCH includes an R31 receiver, which fea- tures a sensitive environmental microphone: this gives the listener more flexibility on what they want to hear. By turning on the environmental mic, they can listen to a nearby classmate speak more clearly. Each PFM 350 RCH system includes a CHG 200A drop-in style charger for charging up to (4) AA BAT 026 batteries (included).

Applications:

Classrooms • Job Consultation • Job Training • Tours • Group Meetings

PFM T32 FM Transmitter:

Dimensions:

3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm)

 

 

 

 

 

 

Weight:

4.4 oz (125 g) with battery

 

 

 

 

 

 

Color:

Royal blue, shatter-resistant polypropylene

 

 

 

 

 

 

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 200 or CHG 1600 Charger

 

 

 

 

 

 

Operating Freq’s:

Selectable, 16 channels, 72.1 – 75.9 MHz*, internal rotary switch

 

 

T32 Top

Stability:

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

 

 

 

 

 

 

Modulation:

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

 

 

 

 

 

 

RF Output:

8000 µV/m at 30 m, max., 40 mW typical

 

 

 

 

 

 

Freq Response:

200 to 10 kHz, + 3 dB at 1% max. THD

 

 

 

 

 

 

Signal-to-Noise Ratio:

55 - 60 dB, with R31 or R32 Receiver

 

 

 

 

 

 

Microphone Gain Control:

45 dB maximum, 18 dB minimum

 

 

 

 

 

 

Transmit Antenna:

Integral with 39" microphone cord

 

 

 

 

 

 

Microphone:

Electret type, 39" cord, 3.5 mm mono phone plug

 

 

 

 

 

 

Controls:

On/Off switch, slide-type; Microphone Mute Switch, slide-type;

 

 

 

 

 

 

 

Compression Selector 1:1 or 2:1 with internal selectable jumper

 

 

 

 

 

 

Mic Connector:

3.5 mm mono phone jack

 

 

 

 

 

 

Compatible Receivers:

PPA R35, PFM R31, PFM R32

 

 

 

 

 

 

Approvals:

FCC, Industry Canada, RoHS, WEEE

 

 

 

 

 

 

Warranty:

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

 

 

 

 

 

 

Note:

FCC regulations, section 15.21, requires the user to comply with

 

 

 

 

 

 

 

the rules of transmitter operation. Any changes or modifica-

 

 

 

 

 

 

 

tions made by the user not expressly approved for compliance

 

 

 

 

 

 

 

may result in the loss of all privileges and authority to operate

 

 

T32 Front

 

the equipment.

 

 

*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE FOR THE HANDICAPPED.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

©2006, Williams Sound Corp. MCAT 041B

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Contents PFM T32 FM Transmitter DescriptionT32 Top T32 FrontR31 Top PFM R31 FM ReceiverR31 Front R31 Back Ansi S3.22-1987 Test Acoustic Specifications Ansi 2.44 TestFM Response PFM R31 Environmental Mic Response PFM R31Contact Bid SpecsUnited States Canada

PFM 350 RCH specifications

The Williams Sound PFM 350 RCH is a cutting-edge assistive listening device designed to enhance audio clarity for users in various environments, such as classrooms, auditoriums, and public venues. This device is particularly beneficial for individuals with hearing loss, allowing them to engage more fully in conversations, presentations, or performances.

One of the standout features of the PFM 350 RCH is its robust frequency response, which ranges from 40 Hz to 18 kHz. This broad spectrum ensures that users experience rich sound quality with minimal distortion, providing a more natural listening experience. The device incorporates a 32-channel receiver, allowing users to select from multiple frequency channels, thus minimizing interference from other wireless devices operating in the vicinity.

The PFM 350 RCH utilizes the latest FM transmission technology, which provides a reliable and clear audio signal even in challenging environments. It operates within the 72-76 MHz frequency range, a band designated for assistive listening devices, which ensures compliance with regulatory standards and compatibility with various systems. Additionally, the device features a wide range of operating distances, making it suitable for both small and large venues.

An important aspect of the PFM 350 RCH is its user-friendly design. The lightweight build makes it easy to wear for extended periods, and the adjustable volume control allows users to customize their experience to suit individual needs. The device also boasts a long battery life, with the capacity to operate for up to 40 hours on a single charge, ensuring it is always ready for use.

Moreover, the PFM 350 RCH integrates seamlessly with headphones and neck loops, enhancing accessibility for a diverse range of users. Its compatibility with various audio sources broadens its application across different settings, including educational institutions, theaters, and places of worship.

In terms of build quality, the PFM 350 RCH is designed to be both durable and portable, making it suitable for frequent use. Its ergonomic design means it can be easily transported and stored, facilitating ease of access for both users and facilitators.

In conclusion, the Williams Sound PFM 350 RCH stands out as an advanced solution for anyone seeking to improve their auditory experience in various environments. With a combination of high-quality sound, user-friendly features, and versatile application, it effectively meets the needs of individuals with hearing challenges, ultimately promoting inclusion and engagement in societal activities.