P e rs o n a l PA® FM Listening System , Model PPA 575
Description:
The T35 transm itter features 77 narrowband and 10 wideband channels for m axim um reduction of outside radio
interference. With easy to use push-button controls, powerful m icroprocessor, the T35 cham pions the next
generation of hearing assistance technology. Quickly choose between Music, Voice or Hearing Assistance in the
Application Presets Menu and take the guess work out of com plex audio installation. The PPA 575 has a range
of up to 1000 ft to accom m odate all your large-area coverage needs. The PPA 575 system com es com plete with
four (4) R19 narrowband FM receivers with EAR 013 earphones and batteries.
Applications:
• Churches • Schools • Auditorium s • Conference Room s • Theaters
PPA T35 Transm itter:
Dim ensions, 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
Wall mount Class II transformer (TFP 016)
Input: 120 VAC, 60 Hz, 17 W
Pow er:
Output: 24 VAC, 500 mA with 3-pin Molex® plug
Approvals: UL, CSA listed
Tem perature Range:
Operating: 0° C to 40° C (+32° F to +104° F)
Storage: -20° C to 70° C (-4° F to +158° F)
CNMT35
FCC ID:
Operating Freqs:
72.1–75.9 MHz , 10 wideband channels (selectable), 7 non-standard wideband channels (selectable)
OR 72.025-75.975 MHz, 77 narrowband channels (selectable)
± .005% stability, 0-50˚ C
Frequency Accuracy:
Deviation:
Wideband: ± 75 kHz maximum. Narrowband: ± 5 kHz maximum
Wideband: 75 µsec. Narrowband: 300 µsec
Does not exceed 8 mV/m at 3 m
Pre-Em phasis:
RF Field Strength:
Nom inal Range:
Note:
Up to 1000 ft (304 m)
Maximum transmitter range is achieved using the ANT 005 coaxial antenna
Reduced or Normal Compressor Gain
Audio Proc. Functions:
Compression Slope Control
High Pass and Low Pass Filter Frequency control
22 – 16000 Hz, +1, -3 dB (adjustable)
Frequency Response:
Signal-to-Noise Ratio:
74 dB transmitted
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
Audio Level Control:
Audio Level Indicators:
Pow er On Indicator:
Phones Output:
Push-button audio level controls, adjustable from 0 to -50 dB
10 LED array that reads +9 to -18 at 3 dB intervals
Green LED indicates power on
Mono signal, 1/4" TRS stereo jack, 67 mW, maximum in 50 ohms (adjustable 0 to -40 dB)
Combination 3-pin XLR, 1/4" TRS jack
Audio Input:
Line Output:
RCA jack, -10 dBV (.32 VRMS) output, impedance 100 Ω
Applications Presets (Music, Voice, Hearing Assist)
LCD Menu Controls:
(Push-Button Selection)
Bandwidth, Frequency, Audio Input Source (Microphone, Line, Simplex), High Pass Filter, Low Pass Filter,
Compressor Slope, Compressor Gain, RF Output Power
NOTE: SPECIFICATIONS SUBJ ECT TO CHANGE WITHOUT NOTICE!
©2005, William s Sound Corp. CAT 102B
Williams Sound ®
Helping People Hear
1
P e rs o n a l PA® FM Listening System , Model PPA 575
Bid Specs:
PPA T35 Transm itter
The PPA T35 transm itter shall be m icroprocessor 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 operating 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 (selectable)
application presets: Hearing Assist, Music and Voice. Configurations for Bandwidth, Frequency, Audio Input Source
(Microphone, Line, Sim plex), High Pass Filter, Low Pass Filter, Com pressor Slope, Com pressor Gain and RF Output
Power shall be push button controlled. The audio level shall be adjustable by push button control. There shall be a 10
LED array showing +9 to -18 at 3 dB intervals. The PPA T35 shall have a 1/4" phone jack with push button volum e con-
trol. It shall have push button control for m onitoring source audio or transm itted audio. It shall have an input overload
indicator. It shall have a “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 a “rubber duckie” antenna on the top panel directly connected to the circuit board.
The transm itter shall have an RCA line output jack. It shall have a com bination 1/4" phone/XLR audio input jack. It shall
have an RF “Off” tim er that turns off RF signal after 1 hour of no audio activity.
The PPA T35 shall have FCC approval and be powered by UL and CSA power supply. It shall have a five-year parts and
labor warranty. It shall be com patible with William s Sound FM equipm ent operating on 72-76 MHz. The transm itter
shall be a William s Sound Corp. m odel num ber PPA T35.
PPA R19 or R19-6 Receiver
The receiver shall be encased in a blue, polypropylene im pact-resistant plastic with a single hinged door for battery
installation. The receiver shall be a body-pack type and have the option for a belt-clip case for hands-free operation.
The receiver shall have a 3.5 m m m ono phone jack and accom m odate low-im pedance m ono earphones, headphones,
and neckloops telecoil couplers. The receiver shall have a com bination volum e control and power on/off rotator dial,
and a green LED power “on” indicator. The receiver shall be crystal controlled to reduce frequency drifting. The R19
receiver shall have 10 available channels: Two channels shall be selectable by a 2-position slide switch and pre-tuned
from 72-76 MHz. The R19-6 receiver shall have six channels pre-tuned from 72-76 MHz and adjustable by a channel
rotary dial. The receiver shall have an adjustable 3-position tone control switch to select Low (20 Hz), Mid (120 Hz), or
Hi (700 Hz) operation. 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 300 µS de-em phasis. The receiver
shall provide a m axim um output of 35 m W at 16 ohm s with an earbud-type earphone. The system ’s electrical fre-
quency response shall be 100 Hz to 5 kHz, ± 3 dB and the signal-to-noise ratio shall be 50 dB at 10 µV. The receiver shall
have a sensitivity of 0.7 µV at 12 dB Sinad.
The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and
chargers. The receiver m odel shall be the William s Sound Corp. m odel PPA R19 or m odel PPA R19-6 receiver m odel
shall be the William s Sound Corp. m odel PPA R30.
NOTE: SPECIFICATIONS SUBJ ECT TO CHANGE WITHOUT NOTICE!
Williams Sound ®
©2005, William s Sound Corp. CAT 102B
Helping People Hear
3
P e rs o n a l PA® FM Listening System , Model PPA 575
Contact:
United States and Mexico
William s Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344-3446
Ph: 800-328-6190 / 952-943-2252 / FAX: 952-943-2174
Em ail: info@william ssound.com
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
South Am erica
DPTech
SIA Trecho 3/4 Lote 335 2°. Andar
71200-030 Brasília, DF
BRAZIL
Ph: (5561) 361-1384
Fax: (5561) 361-0948
Europe and Asia
International Sales Departm ent
William s Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344 USA
Phone: +1 651 493 2578 or +1 952 943 2252
Fax: +1 952 943 2174
Em ail: doreeni@william ssound.com
Williams Sound ®
©2005, William s Sound Corp. CAT 102B
Helping People Hear
4
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