Williams Sound PPA R7 User Manual

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Personal PA

Williams Sound

Helping People Hear

R7 Top

EAR

Vol ume

On/Off Vol ume Control

Headphone Jack

™On∫ Indicator LED

R7 Front

Williams Sound

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 couplers. The 3.5 mm phone jack conveniently serves as a charging jack for rechargeable batteries.

PPA R7 Receiver:

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

Headphone: Lightweight, mono, 3.5 mm plug, 16 Ω Warranty: 5 years, parts and labor (90 days on accessories)

FM Receiver, Model PPA R7

for rechargeable battery

*Note: FCC rules limit the use of the 72–79 MHz band to hearing assistance for the handicapped only. Other frequencies are available that do not have this use restriction.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

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Page 2

Personal PA

Williams Sound

Helping People Hear

Bid Specs:

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 receiver shall have a 3.5 mm mono phone jack and accommodate low-impedance mono earphones, headphones and neckloop 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 frequency 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.

FM Receiver, Model PPA R7

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

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Page 3

Personal PA

Williams Sound

Helping People Hear

Contact:

United States and Mexico

Williams Sound Corp. 10321 W. 70th Street Eden Prairie, MN 55344-3446 Ph: 800-328-6190 / 952-943-2252 / FAX: 952-943-2174 Web: www.williamssound.com Email: info@williamssound.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 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: (5561) 361-0948 Web: www.dptech.com.br Email: ws@dptech.com.br

FM Receiver, Model PPA R7

Europe and Asia

Williams Sound Sales Office Email: pauli@williamssound.com (or) doreenarmstrong@hotmail.com

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