Williams Sound Personal PA PPA R7 User manual

Personal PA® FM Receiver, Model PPA R7
©2005, Williams Sound Corp. MCAT 0 10A
Williams Sound ®
Helping People Hear
1
Description:
The PPA R7 is a single-channel, body-pack style receiver and is compatible with any Williams Sound Personal
PA®transmitter operating on 72-76 MHz bandwidth. The PPA R7 features an impact-resistant casing and a belt
clip for hands-free operation. Each receiver is pretuned, and field adjustable by internal tuning coil. A 3.5 mm
mono phone jack accommodates low-impedance mono earphones, headphones and neckloop telecoil cou-
plers. The 3.5 mm phone jack conveniently serves as a charging jack for rechargeable batteries.
Dimensions & Weight: 3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm); 3.2 oz (90 g) with battery
Color: Gray
Battery Type: 9 Volt, Eveready 522 Alkaline or BAT 003 Ni-Cad
Battery Drain: 14 mA, nominal
Battery Life: 32 hours with Eveready 522, 6 hours/charge with BAT 003
FCC ID: CNM R7
Operating Frequency: Pre-tuned, adjustable, 72 MHz-76 MHz *
Intermediate Frequency: 75 KHz
FM Deviation: 75 KHz wideband
De-Emphasis: 75 uS
AFC Range: ± 300 KHz
Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
Squelch: Squelches at 10 µV for minimum 50 dB S/N ratio
Input Overload: 20 mV
Frequency Response: 100 to 10 KHz, ± 3 dB
Signal-to-Noise Ratio: 50 dB at 10 µV
Receive Antenna: Integral with earphone/headphone cord
Audio Output: 250 mW, max. at 16 Ohms
Output Connector: 3.5 mm mini phone jack, also serves as a charging jack
for rechargeable battery
Headphone: Lightweight, mono, 3.5 mm plug, 16 Ω
Warranty: 5 years, parts and labor (90 days on accessories)
*Note: FCC rules limit the use of the 72–79 MHz band to hearing assistance for the handicapped only. Other frequencies are avail-
able that do not have this use restriction.
PPA R7 Receiver:
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
R7 Top
EAR Vo l ume
1
On/Off
Volume
Control
Headphone
Jack™On∫ Indicator LED
R7 Front
Williams Sound

Personal PA® FM Receiver, Model PPA R7
©2005, Williams Sound Corp. MCAT 0 10A
Williams Sound ®
Helping People Hear
2
The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from
the receiver. The receivers shall be a body-pack type and include a belt-clip case for hands-free operation. The receiv-
er shall have a 3.5 mm mono phone jack and accommodate low-impedance mono earphones, headphones and neck-
loop telecoil couplers. The 3.5 mm phone jack shall also serve as a charging jack for rechargeable batteries.
Receiver frequencies shall be pre-tuned and adjustable by means of an internal tuning coil. A four-channel receiver
model shall be available for use with the system.
The receivers shall receive FM signals in the 72-79 MHz audio assistance band with 75 µS de-emphasis. The receivers
shall provide a maximum output of 250 mW at 16 ohms with an earbud-type earphone. The system electrical frequen-
cy response shall be 100 Hz to 10 kHz, ±3 dB and the signal-to-noise ratio shall be 50 dB at 10 µV.
The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and
chargers. The receiver model shall be the Williams Sound Corp. model PPA R7.
Bid Specs:
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Personal PA® FM Receiver, Model PPA R7
©2005, Williams Sound Corp. MCAT 0 10A
Williams Sound ®
Helping People Hear
3
United States and Mexico
Williams Sound Corp.
10321 W. 70th Street
Eden Prairie, MN 55344-3446
Ph: 800-328-6190 / 952-943-2252 / FAX: [phone]
Web: www.williamssound.com
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: [phone]
Web: www.thorvinelectronics.com
South America
DPTech
SIA Trecho 3/4 Lote 335 2°. Andar
71200-030 Brasília, DF
BRAZIL
Ph: (5561) 361-1384
Fax: [phone]
Web: www.dptech.com.br
Email: [email protected]
Europe and Asia
Williams Sound Sales Office
Email: [email protected] (or) doreenar[email protected]
Contact: