Williams Sound HEARING HELPER PFM 300 User manual

Hearing Helper™
Personal FM System • Model PFM 300
Hearing Helper™ Personal FM System • Model PFM 300
ADAADA
©2006, Williams Sound Corp. MCAT 003B
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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
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
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 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.
PFM T32 FM Transmitter:
T32 Top
T32 Front
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE
FOR THE HANDICAPPED.

Hearing Helper™
Personal FM System • Model PFM 300
Hearing Helper™ Personal FM System • Model PFM 300
ADAADA
©2006, Williams Sound Corp. MCAT 003B
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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: 4.6 oz (130 g) with batteries
Color: Royal blue, shatter-resistant polypropylene
Battery Type: Two (2) AA 1.5 V non-rechargeable Alkaline batteries
(BAT 001), 14 mA nom. current drain, 80 hours approx. life
(OR) Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 14 mA nominal current drain, 50
hours per charge approx., recharges in 14–16 hours, uses CHG 200 Charger
FCC ID: CNM R31
Operating Freq’s: Pre-tuned, field–tuneable, 72 MHz-76 MHz*.
Pre-set channels are E (72.9 MHz) and G (75.7 MHz).
FM Deviation: Wide-band, 75 kHz, 75 µS de-emphasis
AFC Range: ± 120 kHz
Sensitivity: 4 µV at 12 dB Sinad with squelch defeated,
squelches at 10 µV for min. 50 dB S/N ratio
Freq Response: 100 to 10 kHz, + 3 dB
Signal-to-Noise Ratio: 50 dB at 10 uV
Receive Antenna: Integral with earphone cord
Audio Output: 35 mW, max. at 16 Ω
Output Connector: 3.5 mm mono phone jack
Squelch: Set to turn off audio under weak or no signal condition
Carrier Detect Ind: Red LED, turns on in the presence of a carrier
Controls
Volume: Rotary, On/Off/Volume
Tone: 3-way slide switch;
Lo: flat response (20 Hz), Mid: -3 dB at 235 Hz, Hi: -3 dB at 730 Hz
Channel: 2-way slide switch; Ch 1: 72.9 MHz, Ch 2: 75.7 MHz
Indicators: On/Off and FM
Warranty: 5 years, parts and labor (90 days on accessories)
PFM R32 FM Receiver:
EAR FM
FM
On
Off Max
R32 Top
Earphone
Jack
On
Indicator
Volume
Control
FM Indicator
Williams Sound
Hearing Helper®
R32
Tone
Control
Channel
1 or 2
R32
R32 Top
R32 Front R32 Back
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE
FOR THE HANDICAPPED.

Hearing Helper™
Personal FM System • Model PFM 300
Hearing Helper™ Personal FM System • Model PFM 300
ADAADA
©2006, Williams Sound Corp. MCAT 003B
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Acoustic Specifications:
ANSI 2.44 Test
FM Response (PFM R32)
Input: 80 dB random noise
Device: KEMAR mannequin with BTK 3550 Tester
Y: 80.0 dB 80 db Main Y: 34.1 dB
X: 100 Hz + 8 OCT LOG Main X: 4 kHz
ANSI S3.22–1987 Test
FM Response (PFM R32)
Minimum Low Cut (Tone Set to Low)
Max. SSPL90: 135.8 dB at 500 Hz
HF Avg SSPL90: 127.1 dB
HF Avg Full On Gain: 37.7 dB at 60 dB in
Reference Test Gain: 38.1 dB
Response Limit: 80.1 dB
F1=200 Hz, F2=8 kHz
Total Harmonic Dist: 3.6 % at 500 Hz
3.9 % at 800 Hz
2.2 % at 1600 Hz
Medium Low Cut (Tone Set to Mid)
Max. SSPL90: 135.5 dB at 600 Hz
HF Avg SSPL90: 127.1 dB
HF Avg Full On Gain: 36.8 dB at 60 dB in
Reference Test Gain: 37.3 dB
Response Limit: 79.4 dB
F1=200 Hz, F2=8 kHz
Total Harmonic Dist: 3.4 % at 500 Hz
3.4 % at 800 Hz
2.2 % at 1600 Hz
Maximum Low Cut (Tone Set to Hi)
Max. SSPL90: 133.5 dB at 1000 Hz
HF Avg SSPL90: 127.0 dB
HF Avg Full On Gain: 35.4 dB at 60 dB in
Reference Test Gain: 35.8 dB
Response Limit: 78.01 dB
F1=200 Hz, F2=8 kHz
Total Harmonic Dist: 1.1 % at 500 Hz
2.7 % at 800 Hz
2.1 % at 1600 Hz

Hearing Helper™
Personal FM System • Model PFM 300
Hearing Helper™ Personal FM System • Model PFM 300
ADAADA
©2006, Williams Sound Corp. MCAT 003B
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
United States
Williams Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344-3446
Ph: 800-328-6190 / 952-943-2252 / FAX: [phone]
Email: [email protected]
Web: www.williamssound.com
Canada
Thorvin Electronics
2861 Sherwood Heights Dr. Units 36-37
Oakville, ON L6J-7K1 Canada
Ph: 800-323-6634 / 905-829-3040 / FAX: [phone]
Web: www.thorvinelectronics.com
Asia, Australia, Latin America, Middle East, South Africa
International Sales Department
Williams Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344 USA
Phone: [phone]
Fax: [phone]
Email: [email protected]
Web: www.williamssound.com
Contact:
Not Currently Available
Bid Specs: