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MANUAL AND USER GUIDE
Personal PA®Value Pack System
Wide-Band FM Wireless Listening System
Model PPA VP 37
Transmitter Model PPA T27
Receiver Model PPA R37
Optional Receiver Model PPA R35-8
MAN 159A © 2011 Williams Sound, LLC
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PERSONAL PA®VALUE PACK SYSTEM (MODEL PPA VP 37)
INSTALLATION GUIDE & USER MANUAL
CONTENTS PAGE
System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
T27 Transmitter Instructions . . . . . . . . . . . . . . . . . . . . . . . . .5-7
T27 Features and Controls . . . . . . . . . . . . . . . . . . . . . . . . .5
Antenna Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Selecting a Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Connecting an Audio Source . . . . . . . . . . . . . . . . . . . . . . . .7
Adjusting the Audio Source . . . . . . . . . . . . . . . . . . . . . . . .7
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Recycling Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Receiver Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-17
PPA R37 Receiver Use Instructions . . . . . . . . . . . . . . . . .10
PPA R35-8 Receiver Use Instructions . . . . . . . . . . . . . . . .12
PPA R37/PPA R35-8 Belt Clip Instructions . . . . . . . . . . .14
Using A Receiver With A Hearing Aid . . . . . . . . . . . . . .15
Receiver Management Suggestions . . . . . . . . . . . . . . . . .15
Battery Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-23
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SYSTEM OVERVIEW
Thank you for purchasing the Personal PA Value Pack System from
Williams Sound. The PPAVP 37 System is a Wideband FM
Listening System which operates in the 72-76 MHz frequency band.
Designed for hearing assistance in places of public access, the
PPA VP37 is for those who need help overcoming background noise,
reverberation, or distance from the sound source. The versatile
PPA VP37 is easily integrated with your existing sound system or
can be used with a microphone as a stand-alone system.
The system has two principal parts: the T27 Transmitter and the PPA
R37 Receiver. Much like a miniature radio station, the Transmitter
and microphone pick up the sounds you want to hear and broadcast
them over an FM radio signal. The receivers are used to pick up the
broadcast up to 1000 feet (305 m).
To avoid difficulties, please read through these instructions as you
begin to use the system. Then save the manual for questions that arise
as you continue to use your Personal PA Value Pack System.
If you have any problems with this Williams Sound product, please
call us toll-free at 1-800-843-3544.
FIG. 1: OVERALL SYSTEM DIAGRAM
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SETTING UP THE PPA VP 37
PPA T27 Transmitter Instructions
FIG. 2: FEATURES & CONTROLS
Front View
123 4 5
1. Mic input jack, 3.5 mm
2. Audio Level Indicator
3. Audio Level Control
4. Frequency Display (LED)
5. Frequency Selector,
Lock/Unlock Control
Rear View
678
6. Power Input jack,
7. Antenna Connector,
75 Ohms
12VAC
8. Audio Input jack, RCAtype (Line Level,
Unbalanced)
þ
STEP 1: SELECT LOCATION
Position the PPAT27 transmitter near the audio source (i.e.
sound system, mixer) from which it will receive audio.
þ
STEP 2: INSTALL THE ANTENNA
Gently thread the ANT021 rubber duckie antenna onto the stud
recessed in the hole on the top of the transmitter. FCC rules
allow only the use of antennas provided by Williams Sound. To
use a remote antenna supplied by Williams Sound, the antenna
cap may be removed by turning it counter
-clockwise with a pli-
ers or wrench. Please call customer service 800.843.3544 if you
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have any questions.
þ
STEP 3: CONNECT THE POWER
Locate the TFP 036 power supply cord equipped with the 5-pin
DIN connector, then plug the connector into the “Power In” jack
located in the back of the T27. Plug the power supply into the
AC outlet. On power up, the number “8” will scroll across the
T27 display while the system initializes. The system will then
display the default system frequency (72.9 MHz)
or the last
selected frequency set by the user.
þ
STEP 4: SELECT THE FREQUENCY
The T27 has 17 available channels in the 72-76 MHz band. By
default, the T27 frequency is set to 72.9 MHz. To change the
frequency on the T27, press and release the down “
up “
p” frequency selector button until the desired frequency is
q” or
displayed. After 3 seconds, the frequency selection will be set,
and the audio will begin transmitting on the new frequency.
NOTE: You can LOCK this selection to prevent others from
accidently changing the frequency.
To LOCK the desired frequency, press and hold both down “q ”
and up “p” frequency selector buttons for 3 seconds until the
word “Loc” appears on the display. The frequency is now locked.
Should the user press the frequency selector button while in
“Lock” mode, the word “Loc” will be displayed for 2 seconds.
To UNLOCK the desired frequency, press and hold both
down “q” and up “p” frequency selector buttons for 3 seconds
until the transmitter displays ”Un” then “Loc” on the display.
The frequency is now unlocked. The user is now free to change
the frequency on the T27 as needed.
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þ
STEP 5: CONNECT THE AUDIO SOURCE
On the back of the T27, an RCA-type “Audio In” jack is available
for connecting a line-level, unbalanced audio source. On the front
of the T27, a 3.5mm “Mic Input” jack is available to connect a
Williams Sound electret microphone. Connect the desired audio
source to the T27 transmitter and proceed to Step 6.
þ
STEP 6: ADJUST THE AUDIO LEVEL
With the audio source playing, use a small screwdriver or tuning
wand to rotate the “Adjust” control on the front of the T27: 1)
clockwise to increase the audio level; or 2) counterclockwise to
decrease the audio level. Refer to the audio “Level” indicator
LED on the front of the T27 as you make your adjustments:
Audio Level Indicator LED
1.) Never On = Audio source is TOO LOW.
2.) Blinks occassionally = Audio source is OPTIMAL.
3.) Always on = Audio source is TOO HIGH.
þ
STEP 7: LISTEN WITH AN FM RECEIVER
IMPORTANT: The FM receiver being used with the T27
transmitter will need to be on the same frequency as the
transmitter.
Install the receiver batteries, plug in the earphone, turn on the
receiver and walk around the listening area. The signal should be
clear and quite loud when the volume is turned up. See pages
10-13 for detailed receiver instructions.
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RECEIVER SAFETY INFORMATION
HEARING SAFETY:
CAUTION!
The receiver is designed to amplify sounds to a high volume
level which could potentially cause hearing damage if used
improperly.
To protect your hearing and the hearing of others:
1. Make sure the volume is turned down before putting on the
earphone or headphone before adjusting the volume to a
comfortable level.
2. Set the volume level at the minimum setting that you
need to hear.
3. If you experience feedback (a squealing or howling sound),
reduce the volume setting and move the microphone away
from the earphone or headphone.
4. Do not allow children
have access to this product.
BATTERY SAFETY AND DISPOSAL:
or other unauthorized persons to
CAUTION!
The receiver may be supplied with alkaline batteries. Do not
attempt to recharge alkaline batteries, which may explode,
release dangerous chemicals, cause burns, or other serious
harm to the user or product.
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PACEMAKER SAFETY:
CAUTION!
1. Before using the receiver with a pacemaker or other medical
device, consult your physician or the manufacturer of your
pacemaker or other medical device.
2. If you have a pacemaker or other medical device, make sure
that you are using this product in accordance with safety
guidelines established by your physician or the pacemaker
manufacturer.
RECYCLING INSTRUCTIONS
Help Williams Sound protect the environment! Please take the
time to dispose of your equipment properly.
Product Recycling for Customers in the European Union:
Please do NOT dispose of your Williams Sound equipment in
the household trash. Please take the equipment to an electronics recycling center; OR, return the product to the factory for
proper disposal.
Battery Recycling for Customers in the European Union:
Please do NOT dispose of used batteries in the household trash.
Please take the batteries to a retail or community collection
point for recycling.
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PPA R37 RECEIVER INSTRUCTIONS
On/Off Switch
V
olume Control
Earphone
Jack
"On" Indicator
LED
O
FFOFFOFF
O
n/Off Switch
V
olume Control
Earphone
Jack
"On" Indicator
LED
OFFOFFOFF
PPA R37 is a 17-channel receiver operating on the 72-76 MHz
bandwidth. Features: seek-button channel selection, channellock capability, battery-saving Sleep Mode, on/off volume control, power/low battery indicator, stereo/mono earphone jack.
FIG. 3
PPA R37 Top
OPERATING THE RECEIVER
1. Insert two (2) AAbatteries ensuring correct polarity. If
rechargeable NiMH batteries are to be used with the receiver
and a Williams Sound charger, make sure the Alkaline/NiMH
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PPA R37 Front
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switch inside the battery compartment is set to NiMH before
FIG 4
A
A
AA
–
+
+
–
C
hannel
Seek
charging. See FIG 4.
2. Insert headphone, earphone or neckloop into the stereo output jack.
3. Turn receiver on by turning up
the volume control. The green
power LED will turn on.
4. Press the Channel Seek button inside the battery compartment once to seek an active
transmitter. See FIG 4. If more
than one transmitter is being used,
you will need to push the seek button
additional times until you locate the signal
you want to hear. The receiver will retain the channel setting
when the unit is turned off.
5. To lock or unlock a selected channel, turn the power off.
While holding the seek button, turn the power back on. When
locked,the receiver will remain on the current channel, regardless
of channel seek button presses.
LED FLASH CODES
Light Code Indicates Description
1 blink Channel locked Seek press remains
on current channel
2 blinks Channel unlocked Seek press tunes to
next channel present
3 blinks Channel unlocked; no
other channels present
On-Off-On-Off...
Batteries are low Batteries need to be
(continuous)
Fade-on, Fade-off...
(continuous)
No transmitter present
on current channel
Seek press atempts to
find another channel
replaced or recharged
Sleep/Power Save mode
(extends battery life)
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RECEIVER MODEL PPA R35-8 (OPTIONAL)
On/Off Switch
Volume Control
Headphone
Jack
"On"/Low Battery
Indicator LED
C
hannel
Selector Knob
The PPA R35-8 is an eight channel receiver, operating on
72-76 MHz bandwidth. It features a channel selection knob,on/off
volume control, LED power and low battery indicator, and an earphone jack (See Figure 5A).
FIG. 5A
PPA R35-8 Top
12
PPA R35-8 Front
BATTERY INSTALLATION
Install two (2) AAalkaline or NiMH rechargeable batteries. Open
the battery compartment by lifting the tab on the back of the
receiver with a finger.To remove depleted batteries, pull up on the
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fabric strip. IMPORTANT: If Alkaline (or non-rechargeable) bat-
1
2
3
4
5
6
7
8
teries are being installed, slide the battery selection switch above
the battery compartment to the “Alkaline” position. If installing
NiMH (or rechargeable) batteries, slide the battery selection
switch to the “NiMH” position. Press the batteries into place over
the fabric strip. Be sure to observe proper polarity (+/-). Damage
due to improper battery installation may void the warranty on the
product. Close the battery door.When the sound becomes weak or
distorted, replace or recharge the batteries. NOTE: The red LED
“ON” indicator on top of the unit will flash to indicate low battery.
CONNECTING EARPHONES
Plug the earphone into the “Headphone” jack on the top of the unit.
Only monophonic earphones will operate properly. If stereo headphones are used, sound will be heard only in one side. Williams
Sound evaluates each earphone and headphone used with the PPA
PPA R35-8 receiver; we can only assure optimum performance
when Williams Sound earphones and headphones are used.
OPERATING THE RECEIVER
Turn the receiver on by rotating the Volume control knob. The ON
indicator should illuminate RED. Refer to the channel selection
chart in FIG. 5B to choose from 8 standard frequencies. Turn the
channel selector knob to the
desired channel. IMPORTANT:
Make sure the receiver frequen-
FIG. 5B
cy matches the transmitter frequency!
Adjust the volume to a
comfortable listening level. To
turn the receiver off, rotate the
Volume control knob to the left
until it clicks off. The ON indicator should not be lit. To prolong
the battery life of the unit, turn the
receiver off when it is not in use.
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BELT CLIP INSTALLATION FOR PPA R37 AND PPA R35-8
TO INSTALL:
Position the belt clip on the rear of the PPA R37 or PPA R35-8
receiver as shown in Figure 6A. Turn the belt clip 180º left or
right as shown in Figure 6B. The belt clip is now installed and
ready for use.
TO REMOVE:
Turn the belt clip 180º so the edge points toward the top of the
unit as shown in figure 6B. Gently pull the belt clip away from
the unit to remove.
FIG. 6A
EARPAD CLEANING FOR EARPHONES AND HEADPHONES
Do not immerse the earphone in water or other cleaning agent. Foam
pads may be removed and washed with a mild laundry soap solution,
rinsed thoroughly, and air dried. You may also opt to purchase new
foam pads.
Call Customer Service for ordering information:
1-800-843-3544
FIG. 6B
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USING A RECEIVER WITH A HEARING AID
Williams Sound PPAR37 and PPAR35-8 receivers can be used
with hearing aids using three different methods:
NECKLOOP TELECOIL COUPLER
Neckloops are cords which hang around the neck and couple magnetically with T-Coil equipped hearing aids.
SILHOUETTE TELECOIL COUPLER
These telecoil couplers are worn behind the ear, right next to telecoil-equipped hearing aids.
DIRECT AUDIO INPUT (DAI) CORD
Direct Audio Input cords can be used with compatible hearing aids
as well as with Cochlear Implant Processors.
SUGGESTIONS FOR RECEIVER MANAGEMENT
Different types of facilities will use different approaches for
receiver management and earphone sanitation. Below are some
options that customers have used successfully.
þ Regular users purchase their own receiver and take care of
their own batteries and earphone.
þ Some facilities label the receiver and earphone with the names
of regular users so each person uses the same receiver and
earphone.
þ Ushers issue receivers to people who request them. Earphones
are sanitized after use. Foam ear cushions can be replaced or
washed with a mild detergent, rinsed thoroughly and air-dried.
The EAR 022 Surround Earphone can be sanitized with an
alcohol pad.
þ The receivers can be stored in a multiple compartment storage
case with a credit card or driver's license left as collateral for
the receiver.
þ Regular users purchase their own earphone or headphone and
bring them to use with receivers at the facility.
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RECEIVER BATTERY INFORMATION
SINGLE USE BATTERIES
For the PPA R37 and R35-8, the power LED will blink when
the battery is low. With other receivers, if the sound becomes
weak or distorted, the battery is low. Replace the battery.
The indicator light may still be on, even with a battery that is
weak. Do not leave dead batteries in the receivers. Battery
corrosion is not covered by the Williams Sound five-year
warranty.
!! WARNING !!
DO NOT ATTEMPT TO RECHARGE SINGLE USE BATTERIES!
The batteries may heat up and burst, causing possible
injury and damage to the equipment.
Avoid shorting the plus and minus battery terminals
together with metal objects. Battery damage and burns
can result!
If recharge capability is desired, use only Williams Sound
supplied chargers and rechargeable batteries!
RECOMMENDED BATTERIES
For Receiver:
• BAT 001 AAnon-rechargeable alkaline batteries
• BAT 026 AArechargeable NiMH only
BATTERY LIFE
For PPA R37 and PPA R35-8 receivers:
• 50 hours for BAT 001 AAnon-rechargeable alkaline batteries
• 32 hours for BAT 026 AArechargeable NiMH batteries
FURTHER SUGGESTIONS
Receivers should NOT be left charging continuously when not in
use. Receivers should always be turned OFF while charging.
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TROUBLE SHOOTING GUIDE
Read through the manual and user guide carefully to verify proper setup and installation of your system.
TRANSMITTER FREQUENCY DISPLAY (LED) NOT LIT.
þ Make sure the wall transformer is plugged into the transmitter.
þ Make sure the electrical outlet is on.
NO SOUND THROUGH RECEIVERS.
þ If some of the receivers work, but others don't, check for bad bat-
teries or earphones on the receivers that aren't working.
þ Check to see that the receiver frequency matches the transmitter
frequency. On the transmitter, the frequency is illuminated on the
LED panel on the front of the unit. On the receiver there may be
a sticker on the inside of the battery door of the receiver. If these
frequencies do not match, see Frequency Change Instructions on
page 6 (transmitter) and page 11 or 13 (receiver).
þ If none of the receivers work, check to see if the power is con-
nected to the transmitter and the frequency display on the front of
the transmitter is illuminated.
þ Check to see if the transmitter is connected properly to the sound
system. See page 7.
þ Turn the screwdriver-adjust audio input level control on the front
panel of the T27 transmitter clockwise to increase the audio level.
Make sure that the audio light is flashing occasionally but not
continuously.
þ If you are not using an input signal from a sound system, make
sure the Williams Sound microphone is plugged into the “Mic”
jack on the front of the T27 transmitter.
þ Make sure the antenna is installed and connected properly. See
page 5.
INSUFFICIENT RANGE, GOOD RECEPTION NEAR TRANSMITTER, POOR AT A DISTANCE
þ Check to see if the antenna was installed correctly. If not, correct
or replace the antenna. The signal should be clearly audible at
least 100 ft with line of site to transmitter antenna.
þ Check to make sure no other transmitters (or other devices) are
transmitting on the same frequency (channel).
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SOUND THROUGH RECEIVERS IS LOUD, BUT DISTORTED. NOISE (ROOM
NOISE OR ELECTRONIC NOISE) SEEMS TO GROW AFTER TALKING STOPS.
AUDIO INDICATOR LIGHT IS CONTINUOUSLY ON.
þ Turn the screwdriver-adjust audio level control on the front of
the T27 transmitter counter-clockwise to decrease the audio
level. The audio indicator light should flash occasionally, but
not be lit continuously.
SOUND THROUGH THE RECEIVERS IS WEAK AND NOISY.
þ Turn the screwdriver-adjust audio level control located on
the T27 front panel clockwise to increase the input signal
strength. The audio indicator light should flash occasionally.
þ Increase the input signal level from the sound system.
BUZZING OR HUMMING NOISE IN SOUND SYSTEM.
þ There is nothing wrong with the T27 Transmitter. One or more
pieces of equipment in the sound system are being disturbed
by RF (Radio Frequency) signals produced by the T27. The
most likely suspects are your amplifier, mixer, or tape deck.
The RF gets into the other equipment primarily through the
power cord, speaker wires, or unshielded inputs, all of which
can act as antennas. Try the following steps:
þ Move the Transmitter away from the other sound equipment.
þ Make sensitive equipment more immune to RFI/EMI. The
manufacturers of your audio equipment may offer application notes for this purpose. Williams Sound offers a document giving suggestions for improving RF immunity in
existing audio equipment. (Technical Bulletin: Buzz Or Hum
In The Sound System, FRM 531) Unless you have the necessary technical skills, this is best left to a qualified electronics
repair technician.
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LIMITED WARRANTY
Williams Sound products are engineered, designed, and manufactured
under carefully controlled conditions to provide you with many years
of reliable service. Williams Sound warrants the Personal PAValue
Pack System against defects in materials and workmanship for five
(5) years. During the first five years from the purchase date, we will
promptly repair or replace the Personal PA Value Pack System.
Microphones, earphones, headphones, batteries, cables, carry cases,
and all other accessory products carry a 90-day warranty. Chargers
carry a 1 year warranty.
WILLIAMS SOUND HAS NO CONTROL OVER THE CONDITIONS UNDER WHICH THIS PRODUCT IS USED. WILLIAMS
SOUND, THEREFORE, DISCLAIMS ALL WARRANTIES NOT
SET FORTH ABOVE, BOTH EXPRESS AND IMPLIED, WITH
RESPECT TO THE PERSONAL PA VALUE PACK SYSTEM,
INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. WILLIAMS SOUND SHALL NOTBE LIABLE
TO ANY PERSON OR ENTITY FOR ANY MEDICAL EXPENSES
OR ANYDIRECT, INCIDENTALOR CONSEQUENTIAL DAMAGES CAUSED BYANY USE, DEFECT, FAILURE OR MALFUNCTIONING OF THE PRODUCT, WHETHER ACLAIM FOR
SUCH DAMAGES IS BASED UPON WARRANTY, CONTRACT,
TORT OR OTHERWISE. THE SOLE REMEDYFOR ANY
DEFECT, FAILURE OR MALFUNCTION OF THE PRODUCT IS
REPLACEMENT OF THE PRODUCT. NO PERSON HAS ANY
AUTHORITY TO BIND WILLIAMS SOUND TO ANYREPRESENTATION OR WARRANTY WITH RESPECT TO THE
PERSONAL PAVALUE PACK SYSTEM. UNAUTHORIZED
REPAIRS OR MODIFICATIONS WILL VOID THE WARRANTY.
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The exclusions and limitations set out above are not intended to, and
should not be construed so as to contravene mandatory provisions of
applicable law. If any part or term of this Disclaimer of Warranty is
held to be illegal, unenforceable, or in conflict with applicable law by
a court of competent jurisdiction, the validity of the remaining portions of this Disclaimer of Warranty shall not be affected, and all
rights and obligations shall be construed and enforced as if this
Limited Warranty did not contain the particular part or term held to be
invalid.
If you experience difficulty with your system, call Toll-Free for
Customer Assistance:
1-800-843-3544 (U.S.A.) or 1-952-943-2252 (World)
If it is necessary to return the system for service, your Customer
Service Representative will give you a Return Authorization Number
(RA) and shipping instruction.
Pack the system carefully and send it to:
Williams Sound
Attn: Repair Dept.
10300 Valley View Rd
Eden Prairie, MN 55344 USA
Your warranty becomes effective the date you purchase your system. Your returned warranty card is our way of knowing when
your warranty begins. Please take a moment to fill it out and mail
the enclosed card. You may also register your product online:
www.williamssound.com/registration.aspx. This information will
help us serve you better in the future. Thank you!
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PERSONAL PA VALUE PACK SYSTEM SPECIFICATIONS
PERSONAL PA TRANSMITTER MODEL T27
Dimensions & Weight: 4.1" W x 6.1" L x 1.3" H
Color: Black
Power (U.S./Canada): 105-130 VAC, 50-60 Hz, 3.2 W at 120 VAC
Operating Frequencies: 17 Channels:
Frequency Selector: External switches, 17 channels (lockable)
RF Field Strength: Does not exceed 80mV/m @ 3m
Nominal Range: Up to 1000 feet (305 m) w/standard ANT021
Modulation: FM, 75 kHz deviation (wide–band) max.
Stability: ± .005% over 0-50˚C
Pre-Emphasis: 75 µS
Frequency Response: 85Hz - 14kHz ±3dB
Distortion: 1% Max. THD
Signal to Noise Ratio: 65 dB with PPA R37 Receiver
Microphone Input: 3.5mm mini phone jack,
Mic Input Level: 1–10 mV, nominal
Line-Level Input: RCA Jack, Hi Z, unbal.
Line Input Level: 0.1–1 Vrms, nominal
Input Attenuator: Pot, screwdriver-adjustable
Antenna Outputs: Thread mount for ANT021 “rubber duckie” antenna or
Approvals: FCC, Industrie Canada, RoHS, WEEE
Warranty: Five years, parts and labor. 90 days on cords, earphones,
(104.1 mm x 154.9 mm x 33 mm)
7.8 oz. (221 g)
72.100 (CH A), 72.300 (CH B), 72.500 (CH C),
72.700 (CH D), 72.900 (CH E), 74.700 (CH I), 75.300
(CH J), 75.500 (CH F), 75.700 (CH G), 75.900 MHz
(CH H),72.2 (CH K), 72.4 (CH N), 72.6 (CH 0),
72.8 (CH P), 75.4 (CH R), 75.6 (CH S), 75.8 (CH T).*
“rubber duckie” antenna. Up to 1000 feet
(305 m) w/optional ANT 005 coaxial antenna.
supplies +DC for electret mics
ANT 025 telescoping antenna
RF connector for ANT024 dipole or ANT 005 coaxial
antenna
headphones, batteries and other accessories
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
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PPA SELECT™ RECEIVER (MODEL PPA R37)
Dimensions: 4.1” H x 2.85 W x 1.1” T (104 mm x 72 mm x 28
mm)
Weight: 4.6 oz (130 g) with batteries, 2.6 oz w/o batteries
(73g)
Color: Black
Battery Type: Two (2) AA non-rechargeable alkaline batteries
(BAT 001), up to 50 hours battery life; or
Two (2) AA rechargeable NiMH batteries (BAT
026), 1500 mAh, up to 32 hours battery life.
Current Consumption: Nominal 52 mA
Operating Freq: 17 channels: 72.1, 72.2, 72.3, 72.4, 72.5, 72.6,
72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7,
75.8 or 75.9 MHz*.
FM Deviation: +/- 75 kHz
De-emphasis: 75 µS
LED Indicator: Power on : Bright Green. Low Battery: Flashes.
Sensitivity: 2 µV at 12 dB SINAD with squelch defeated
Input Overload: 100 mV
Frequency Response: 200 Hz to 15 kHz +/- 3 dB
Signal to Noise Ratio: 65 dB at 100 µV
Receiver Antenna: Integral with earphone/headphone cord
Audio Output: 35 mW, max 16 ohm load
Output Connector: 3.5 mm stereo phone jack, accepts either stereo or
mono plug
Approvals: FCC, Industrie Canada, RoHS, WEEE
Warranty: Five Years, Parts and Labor. 90 days on cords,
earphones, headphones, batteries, and other acces-
sories
DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
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PERSONAL PA RECEIVER (MODEL PPA R35-8)
Dimensions: 4.5” H x 2.85” W x 1.1” T
(114.3 mm x 72.4 mm x 28 mm)
Weight: 4.6 oz (130 g)
Color: Black
Battery Type: Two (2) AA non-rechargeable alkaline batteries
(BAT 001), up to 50 hrs. battery life; or Two (2)
AA rechargeable NiMH batteries (BAT 026), 1500
mAh, up to 32 hrs. battery life
Current Consumption: Nominal 40 mA
Operating Freq: 8 channels: 72.1, 72.3, 72.6, 72.8, 74.7, 75.4, 75.7,
or 75.9 MHz*.
Intermediate Freq: 10.7 MHz
FM Deviation: ± 75 kHz
De-emphasis: 75 µS
LED Indicator: Power: Red. Low Battery: Flashes
Sensitivity: 2 µVat 12 dB SINAD with squelch defeated
Input Overload: 20 mV
Frequency Response: 40 Hz to 15 kHz ± 3 dB
Signal to Noise ratio: 60 dB at 100 mV
Receive Antenna: Integral with earphone/headphone cord
Audio Output: 35 mW, max 16 Ω load
Output Connector: 3.5 mm mono phone jack
Squelch: Located inside battery door. Factory set for 25 dB
S/N. Squelch may be set with JFD-7104-5 from
Sprague Goodman or any flat tipped tuning tool
with tip size .095 X .016
Notes: The PPA R35-8 is NOT field tunable. The eight
channels have been carefully selected to inhibit inter-
modulation interference. Channel frequencies are
72.1, 72.3, 72.6, 72.8, 74.7, 75.4, 75.7, and 75.9
MHz.*
Approvals: FCC, Industrie Canada, RoHS, WEEE
Warranty: Five Years, Parts and Labor. 90 days on cords,
earphones, headphones, batteries, and other
accessories
DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
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©2011 Williams Sound, LLC MAN 159A
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