Williams Sound Stereo System PPA 375 User Manual

Personal PAFM Listening System  
Model PPA 375  
Description:  
The PPA 375 features the T35 high performance transmitter: powerful microprocessor, sleek digital  
display, easy-to-use menu controls. The T35 configures itself to the appropriate setting,  
taking the guesswork out of complicated audio installation. Operating up to 1000 feet, the T35 is  
ideal for auditoriums, theaters or other large venues where excellent coverage area is essential.  
System includes four impact-resistant R35 single-channel receivers. The R35 receiver will operate up  
to 100 hours for long-lasting performance!  
Applications:  
• Churches • Schools • Auditoriums • Conference Rooms • Theaters  
PPA T35 Transmitter:  
Dimensions, Weight:  
Color:  
8.45" (21.5 cm) W x 8.18" (20.8 cm) D x 1.72" (4.4 cm) H, 3.1 lbs (1.4 kg)  
Black with white legends  
Rack Mount:  
One EIA rack space high, 1/2 space wide  
1–2 units can be mounted in a single rack space with optional RPK 005 (single) or RPK 006  
(double) Rack Mount Kits  
Power:  
Wall mount Class II transformer (TFP 016)  
Input: 120 VAC, 60 Hz, 17 W  
Output: 24 VAC, 500 mA with 3-pin Molex® plug  
Approvals: UL, CSA listed  
Temperature Range:  
Operating Freqs:  
Operating:0° C to 40° C (+32° F to +104° F)  
Storage:-20° C to 70° C (-4° F to +158° F)  
72.1-75.9 MHz* , 10 wideband channels (selectable), 7 non-standard wideband channels (selec-  
table) OR 72.025-75.975 MHz, 77 narrowband channels (selectable)  
.005% stability, 0-50˚ C  
Wideband: 75 kHz maximum. Narrowband: 5 kHz maximum.  
Wideband: 75 µsec. Narrowband: 300 µsec  
Does not exceed 80 mV/m at 3 m  
Up to 1000 ft (304 m) Note: Maximum transmitter range is achieved using the ANT 005 coaxial  
antenna  
Frequency Accuracy:  
Deviation:  
Pre-Emphasis:  
RF Field Strength:  
Nominal Range:  
Audio Proc. Functions:  
Reduced or Normal Compressor Gain  
Compression Slope Control  
High Pass and Low Pass Filter Frequency control  
22 – 16000 Hz, +1, -3 dB (adjustable)  
74 dB transmitted  
Frequency Response:  
Signal-to-Noise Ratio:  
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.  
T35 Front Panel:  
+9  
^
Input  
Source  
+6  
+3  
0
Digital Frequency Synthesized  
Overload  
+
+
-
+
Audio  
Level  
Volume  
-3  
-
-6  
^
-9  
-12  
-15  
-18  
On Air  
Phones  
Power  
Set  
PPA T35  
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!  
©2008, Williams Sound Corp. CAT 100H  
1
Download from Www.Somanuals.com. All Manuals Search And Download.  
Personal PAFM Listening System  
Model PPA 375  
PPA R35 Receiver:  
On/Off  
Volume Switch  
Dimensions:  
Weight:  
4.1" L x 2.85" W x 1.2" H (104.1 mm x 72.4 mm x 30.4 mm)  
4.5 oz (127 g)  
Color:  
Black  
Battery Type:  
Two (2) AA non-rechargeable alkaline batteries (BAT  
001), approx. 100 hours battery life, or  
Two (2) AA rechargeable NiMH batteries (BAT 026), 1600  
mAh, approx 56 hours battery life  
Nominal 40 mA  
Pre-tuned, adjustable, 72 MHz-76 MHz *  
75 kHz  
75 kHz  
Earphone  
Jack  
"On" Indicator  
LED  
Current Consumption:  
Operating Freq.:  
Intermediate Freq.:  
FM Deviation:  
R35 Top  
De-Emphasis:  
75 µS  
LED Indicator:  
AFC Range:  
Power: Green; Low Battery: Red  
120 kHz  
Sensitivity:  
2 µV at 12 dB Sinad with squelch defeated  
20 mV  
100 – 15 kHz, 3 dB  
65 dB at 10 µV  
Integral with earphone/headphone cord  
35 mW, max. at 16 Ω  
Input Overload:  
Frequency Response:  
Signal-to-Noise Ratio:  
Receive Antenna:  
Audio Output:  
Output Connector:  
Earphone:  
3.5 mm mono phone jack  
Earbud-type with foam cushion, 3.5 mm plug, 32 Ω  
The R35 Receiver can be field tuned to any of 17 wide-  
band channels using the PLT 005 Tuning Tool.  
FCC, Industry Canada, RoHS, WEEE  
Five years, parts and labor. 90 days on cords, earphones,  
headphones, batteries and other accessories  
Notes:  
Approvals:  
Warranty:  
R35 Front  
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.  
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!  
©2008, Williams Sound Corp. CAT 100H  
3
Download from Www.Somanuals.com. All Manuals Search And Download.  
Personal PAFM Listening System  
Model PPA 375  
Bid Specs:  
The PPA T35 transmitter shall be microprocessor controlled with push button configuration. It shall have an  
operating range of up to 1000 feet. It shall have 10 wideband and 7 non-standard wideband channels operat-  
ing on 72.1–75.9 MHz. It shall have 77 narrowband channels operating on 72.025–75.975 MHz.  
Front Panel:  
The PPA T35 shall have a push button controlled LCD digital display. There shall be three pre-configured (selec-  
table) application presets: Hearing Assist, Music and Voice. Configurations for Bandwidth, Frequency, Audio  
Input Source (Microphone, Line, Simplex), High Pass Filter, Low Pass Filter, Compressor Slope, Compressor Gain  
and RF Output Power shall be push button controlled. The audio level shall be adjustable by push button con-  
trol. There shall be a 10 LED array showing +9 to -18 at 3dB intervals. The PPA T35 shall have a 1/4" phone jack  
with push button volume control. It shall have push button control for monitoring source audio or transmitted  
audio. It shall have an input overload indicator. It shall have an “on” indicator and power button.  
Rear Panel:  
The PPA T35 shall be powered by 24 VAC power supply via a 3-pin Molex® connector. It shall have a 75 ohm  
F-connector antenna. It shall have an ANT 025 whip antenna on the top panel directly connected to the circuit  
board. The transmitter shall have an RCA line output jack. It shall have a combination 1/4" phone/XLR audio  
input jack. It shall have an RF “Off” timer that turns off RF signal after 1 hour of no audio activity.  
The PPA T35 shall have FCC, RoHS, and WEEE approval and be powered by UL and CSA power supply. It shall  
have a 5-year parts and labor warranty. It shall be compatible with Williams Sound FM equipment operating on  
72-76 MHz. The transmitter shall be a Williams Sound Corp. model number PPA T35.  
PPA R35 Receiver:  
The R35 receiver shall be encased in a black, PC/ABS impact-resistant plastic with a hinged door for bat-  
tery installation. The receiver shall be a body-pack type and include a detachable belt-clip for hands-free  
operation. The receiver shall have a 3.5 mm mono phone jack and accommodate low-impedance mono  
earphones, headphones, neckloops, and telecoil couplers. The receiver shall have a combination volume  
control and power on/off rotator dial, and a green LED power “on” indicator. The LED power “on” indi-  
cator shall illuminate red to indicate low battery power. There shall be a screwdriver adjustable tuning  
pot accessible through the battery door. There shall be a slide selection switch located through the bat-  
tery door for choosing Alkaline or NiMH battery operation. There shall be drop-in charger contacts on  
the bottom of the receiver unit. The receiver shall be pre-tuned to one of 17 available channels from 72-  
76 MHz and field adjustable by internal tuning coil. The receiver shall operate up to approx. 100 hours  
when using 1.5 V AA Alkaline batteries, and shall operate up to approx. 50 hours when using 1.5 V NiMH  
rechargeable AA batteries.  
The receiver shall receive FM signals in the 72-76 MHz audio assistance band with 75 µS de-emphasis. The  
receiver shall provide a maximum output of 35 mW at 16 Ohms with an earbud-type earphone. The sys-  
tem’s electrical frequency response shall be 100 Hz to 15 kHz, 3 dB and the signal-to-noise ratio shall  
be 65 dB at 10 µV. The receiver shall have a sensitivity of 2µV at 12 dB Sinad.  
The receiver shall have FCC, Industry Canada approvals, and be compliant with RoHS and WEEE regula-  
tions. The receiver shall be covered by a five years parts and labor warranty, excluding earphones, head-  
phones, batteries and chargers. The receiver model shall be the Williams Sound Corp. model PPA R35.  
*90 days on accessories.  
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!  
©2008, Williams Sound Corp. CAT 100H  
4
Download from Www.Somanuals.com. All Manuals Search And Download.  
Personal PAFM Listening System  
Model PPA 375  
Contact:  
United States  
Williams Sound Corp.  
10321 W. 70th Street  
Eden Prairie, MN 55344  
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!  
©2008, Williams Sound Corp. CAT 100H  
5
Download from Www.Somanuals.com. All Manuals Search And Download.  

Weed Eater Trimmer GTI18KT User Manual
Wells Oven F 49RT User Manual
Whirlpool Cooktop CGX215V User Manual
Whirlpool Double Oven RBS305PV User Manual
Whirlpool Washer Dryer LB5300XK User Manual
Whirlpool Water Heater 315422 000 User Manual
Whistler Power Supply 1200 WATT User Manual
White Rodgers Water Heater 37 5785A User Manual
Woodstock Drill W1787 User Manual
Worksaver Compact Loader DCR 4 User Manual