Personal PA® FM Receiver, Model PPA R7

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.

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

 

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.

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

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Williams Sound specifications Description, PPA R7 Receiver, R7 Top R7 Front
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PPA R7 specifications

The Williams Sound PPA R7 is an advanced personal listening system designed for venues and public spaces, particularly where assistance in sound clarity is essential. This device caters to individuals who are hard of hearing, allowing them to enjoy presentations, performances, or group discussions with heightened audio clarity.

One of the standout features of the PPA R7 is its ability to operate on the 72-76 MHz frequency band. This range is known for its reliability and clarity, allowing users to experience crisp sound without interference from common wireless signals. The system supports multiple channels, enabling it to be used in various environments without the risk of channel crowding, making it suitable for events such as conferences, tours, or theater productions.

The PPA R7 is equipped with a powerful and efficient transmitter capable of covering expansive areas, ensuring that all listeners within range receive high-quality audio. The transmitter comes with a built-in microphone, which enables users to capture voices clearly and effectively, enhancing the overall listening experience. Additionally, the device allows for connection to external audio sources via 1/4-inch or XLR inputs, making it versatile for different audio setups.

A distinctive characteristic of the PPA R7 is its user-friendly design. The system features an intuitive interface and is lightweight, making it easy for users to carry. The ergonomic earbuds and adjustable volume controls ensure that individuals can customize their listening experience, achieving sound levels that suit their hearing needs.

The PPA R7 utilizes advanced technologies, including automatic gain control and digital signal processing, to optimize audio quality in real time. This means that users experience clear sound regardless of fluctuations in the volume of speech or background noise, thus enhancing comprehension.

Furthermore, the PPA R7 is compatible with various assistive listening devices, allowing it to be integrated seamlessly into existing sound systems. The battery life is commendable, ensuring prolonged use during events without the worry of power outages.

In summary, the Williams Sound PPA R7 stands out in the realm of personal listening systems due to its superior sound transmission capabilities, user-centric design, and compatibility with various audio sources. Its advanced technologies not only enhance the auditory experience for those with hearing impairments but also ensure inclusivity in public settings, making it an invaluable tool for event organizers and venue operators.
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