Williams Sound Hearing Helper PFM 300 Specifications

Hearing Helper
Description:
Maximize a student's ability to listen with the Personal FM System 300 from Williams Sound. Personal FM
systems eliminate background noise and other distractions, and ensure that the speaker's message is
heard by everyone in the room. It's perfect for classrooms, job training, consultation and more. Portable,
no wire, no hassle. Each PFM 300 system has a range of up to 150 feet, and will operate up to 60 hours
at one time. Versatile 3.5 mm jacks 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.
Applications:
Classrooms • Job Consultation • Job Training • Tours • Group Meetings
PFM T32 FM Transmitter:
Dimensions:
Weight:
Color:
Battery Type:
Operating Freq's:
Stability:
Modulation:
RF Output:
Freq Response:
Signal-to-Noise Ratio:
Microphone Gain Control:
Transmit Antenna:
Microphone:
Controls:
Mic Connector:
Compatible Receivers:
Approvals:
Warranty:
Note:
*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 003B
™ Personal FM System •
ADA ADA
3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm)
4.4 oz (125 g) with battery
Royal blue, shatter-resistant polypropylene
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
Selectable, 16 channels, 72.1 – 75.9 MHz*, internal rotary switch
± .005%, frequency synthesized, crystal reference, PLL
Wide-band FM, 75 kHz pk, 75 µS pre-emphasis
8000 µV/m at 30 m, max., 40 mW typical
200 to 10 kHz, + 3 dB at 1% max. THD
55 - 60 dB, with R31 or R32 Receiver
45 dB maximum, 18 dB minimum
Integral with 39" microphone cord
Electret type, 39" cord, 3.5 mm mono phone plug
On/Off switch, slide-type; Microphone Mute Switch, slide-type;
Compression Selector 1:1 or 2:1 with internal selectable jumper
3.5 mm mono phone jack
PPA R35, PFM R31, PFM R32
FCC, Industry Canada, RoHS, WEEE
5 years, parts and labor (90 days on accessories)
FCC regulations, section 15.21, requires the user to comply with the rules
of transmitter operation. Any changes or modifications made by the user
not expressly approved for compliance may result in the loss of all privi-
leges and authority to operate the equipment.
Model PFM 300
T32 Top
T32 Front