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

Williams Sound Personal PA PPA R7 Specifications

General

Brand	Williams Sound
Model	Personal PA PPA R7
Category	Receiver
Language	English

Summary

Product Description

PPA R7 Receiver Specifications

Dimensions and Weight

Specifies the physical size and weight of the PPA R7 receiver unit, including battery.

Battery and Power Details

Covers battery type, drain, and estimated battery life for the PPA R7 receiver.

Operating Frequency and Performance

Details operating frequency range, intermediate frequency, FM deviation, and sensitivity.

Audio and Connectivity

Information on frequency response, signal-to-noise ratio, and audio output capabilities.

Bid Specifications

Receiver Housing and Design

Specifies requirements for the receiver's impact-resistant case, battery door, and belt clip.

Frequency and Performance Requirements

Details required operating frequency band, de-emphasis, output power, and signal-to-noise ratio.

Warranty Information

Outlines the warranty coverage for the receiver model PPA R7.

Contact Information

United States and Mexico Contact

Provides contact details for Williams Sound Corp. in the US and Mexico.

Canada Contact

Lists contact information for Thorvin Electronics in Canada.

South America Contact

Provides contact details for DPTech in Brazil for South America.

Europe and Asia Contact

Offers contact email for the Williams Sound Sales Office for Europe and Asia.