Williams Sound PPA R7 User Manual

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Personal PA® FM Receiver, Model PPA R7

Description:

The PPA R7 is a single-channel,body-packstyle receiver and is compatible with any Williams Sound Personal PA® transmitter operating on72-76MHz bandwidth. The PPA R7 features animpact-resistantcasing and a belt clip forhands-freeoperation. Each receiver is pretuned, and field adjustable by internal tuning coil. A 3.5 mm mono phone jack accommodateslow-impedancemono 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 x2-3/8"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, 72MHz-76MHz *

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-NoiseRatio:

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 72–79MHz band to hearing assistance for the handicapped only. Other frequencies are available that do not have this use restriction.

Headphone

Jack

™On∫ Indicator LED

 

 

Williams Sound

EAR Volume

On/Off

1 Volume

Control

R7 Top

R7 Front

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Williams Sound ®

©2005, Williams Sound Corp. MCAT 010A

Helping People Hear

1

Personal PA® FM Receiver, Model PPA R7

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-packtype and include abelt-clipcase forhands-freeoperation. The receiver shall have a 3.5 mm mono phone jack and accommodatelow-impedancemono 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-tunedand adjustable by means of an internal tuning coil. Afour-channelreceiver model shall be available for use with the system.

The receivers shall receive FM signals in the 72-79MHz audio assistance band with 75 µSde-emphasis.The receivers shall provide a maximum output of 250 mW at 16 ohms with anearbud-typeearphone. The system electrical frequency response shall be 100 Hz to 10 kHz, ±3 dB and thesignal-to-noiseratio shall be 50 dB at 10 µV.

The receiver shall be covered by a five-yearparts and labor warranty, excluding earphones, headphones, batteries and chargers. The receiver model shall be the Williams Sound Corp. model PPA R7.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Williams Sound ®

©2005, Williams Sound Corp. MCAT 010A

Helping People Hear

2

Personal PA® FM Receiver, Model PPA R7

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:952-943-2174Web: www.williamssound.com

Email: info@williamssound.com

Canada

Thorvin Electronics

2861 Sherwood Heights Dr. Units 36-37Oakville, ONL6J-7K1Canada

Ph: 800-323-6634 /905-829-3040 /FAX:905-829-4196Web: www.thorvinelectronics.com

South America

DPTech

SIA Trecho 3/4 Lote 335 2°. Andar 71200-030Brasília, DF

BRAZIL

Ph: (5561) 361-1384

Fax: (5561) 361-0948Web: www.dptech.com.br Email: ws@dptech.com.br

Europe and Asia

Williams Sound Sales Office

Email: pauli@williamssound.com (or) doreenarmstrong@hotmail.com

Williams Sound ®

©2005, Williams Sound Corp. MCAT 010A

Helping People Hear

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