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-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.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

Williams Sound ®

©2005, Williams Sound Corp. MCAT 010A

Helping People Hear

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Williams Sound PPA R7 specifications Bid Specs

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.