Williams Sound Stereo System PFM 300 RCH User Manual

Hearing HelperPersonal FM System • Model PFM 300 RCH  
ADA  
Description:  
Maximize a student’s ability to listen with the Personal FM System 300 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 300 RCH 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. Each PFM 300 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  
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  
Operating Freq’s:  
Stability:  
T32 Top  
Modulation:  
RF Output:  
Freq Response:  
Signal-to-Noise Ratio:  
Microphone Gain Control:  
Transmit Antenna:  
Microphone:  
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  
Controls:  
Mic Connector:  
Compatible Receivers:  
Approvals:  
PPA R35, PFM R31, PFM R32  
FCC, Industry Canada, RoHS, WEEE  
Warranty:  
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.  
Note:  
T32 Front  
*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 040B  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Hearing HelperPersonal FM System • Model PFM 300 RCH  
ADA  
Acoustic Specifications:  
ANSI 2.44 Test  
FM Response (PFM R32)  
Input:  
Device:  
Y:  
80 dB random noise  
KEMAR mannequin with BTK 3550 Tester  
80.0 dB 80 db  
100 Hz + 8 OCT LOG  
Main Y:  
Main X:  
34.1 dB  
4 kHz  
X:  
ANSI S3.22–1987 Test  
FM Response (PFM R32)  
Minimum Low Cut (Tone Set to Low)  
Max. SSPL90:  
Maximum Low Cut (Tone Set to Hi)  
Max. SSPL90:  
HF Avg SSPL90:  
135.8 dB at 500 Hz  
127.1 dB  
133.5 dB at 1000 Hz  
127.0 dB  
HF Avg SSPL90:  
HF Avg Full On Gain:  
Reference Test Gain:  
Response Limit:  
37.7 dB at 60 dB in  
38.1 dB  
80.1 dB  
HF Avg Full On Gain:  
Reference Test Gain:  
Response Limit:  
35.4 dB at 60 dB in  
35.8 dB  
78.01 dB  
F1=200 Hz, F2=8 kHz  
3.6 % at 500 Hz  
3.9 % at 800 Hz  
2.2 % at 1600 Hz  
F1=200 Hz, F2=8 kHz  
1.1 % at 500 Hz  
2.7 % at 800 Hz  
Total Harmonic Dist:  
Total Harmonic Dist:  
2.1 % at 1600 Hz  
Medium Low Cut (Tone Set to Mid)  
Max. SSPL90:  
HF Avg SSPL90:  
135.5 dB at 600 Hz  
127.1 dB  
HF Avg Full On Gain:  
Reference Test Gain:  
Response Limit:  
36.8 dB at 60 dB in  
37.3 dB  
79.4 dB  
F1=200 Hz, F2=8 kHz  
3.4 % at 500 Hz  
3.4 % at 800 Hz  
2.2 % at 1600 Hz  
Total Harmonic Dist:  
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!  
©2006, Williams Sound Corp. MCAT 040B  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Hearing HelperPersonal FM System • Model PFM 300 RCH  
ADA  
Bid Specs:  
Not Currently Available  
Contact:  
United States  
Williams Sound Corp.  
10321 W. 70th Street  
Eden Prairie, MN 55344-3446  
Ph: 800-328-6190 / 952-943-2252 / FAX: 952-943-2174  
Canada  
Thorvin Electronics  
2861 Sherwood Heights Dr. Units 36-37  
Oakville, ON L6J-7K1 Canada  
Ph: 800-323-6634 / 905-829-3040 / FAX: 905-829-4196  
Asia, Australia, Latin America, Middle East, South Africa  
International Sales Department  
Williams Sound Corp.  
10321 W. 70th Street  
Eden Prairie, MN 55344 USA  
Phone: +1 952 224 7791  
Fax: +1 952 943 2174  
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!  
©2006, Williams Sound Corp. MCAT 040B  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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