Personal PA™ FM 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
Personal PA™ FM 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
Personal PA™ FM 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
Personal PA™ FM 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
Email: [email protected]
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
Email: [email protected]
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2008, Williams Sound Corp. CAT 100H
5
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