PPA Select™ FM Receiver
The NEW PPA Select FM receiver features easy-to-use, seek-button channel selection with access to 17 pre-set wideband frequencies between 72-76 MHz. Digitally synthesized for even greater audio clarity and stability, the PPA Select also offers channel-lock capability (to prevent accidental channel change) and a battery-saving Sleep Mode. A versatile 3.5mm stereo/mono jack allows for a variety of earphone and headphone options, and is neckloop/telecoil-equipped-hearing-aid compatible. The stylish, impact-resistant PPA Select single-channel receiver is compatible with any Williams Sound Personal PA transmitter operating on the 72-76 MHz bandwidth. The PPA Select includes 12 BAT 026-2 NiHM batteries.
A Personal PA
Your audience is ready and waiting … to be soothed by a pastor’s sermon, to be mesmerized by the leading man’s monologue, to be pumped by an announcer’s play-by-play. From houses of worship to performing arts centers to football stadiums, FM listening technology from Williams Sound ensures every listener in attendance can hear your message clearly. Our FM systems provide peace of mind, every time — complete, turn-key solutions that meet your facility’s needs for hearing assistance, language interpretation, audio description or ADA compliance.
Architectural/Engineering Specifications
The CHG 3512 shall be a 12-unit, drop-in battery charger and shall charge a maximum of 24 AA size NiMH batteries while they are installed into the Williams Sound PPA R37, PPA R35-8, R36, R863, RX22-4 receivers, or PPA T36, PPA T46, PFM T36, T863 transmitters.
The charger CHG 3512 shall be microprocessor controlled and enclosed in ABS plastic, measuring 9.5” L x 7.4” W x 1.7” H (24.1cm L x 18.8cm W x 4.3cm H). The CHG 3512 unit shall weigh 1.2 lbs (2.64 Kg) without power supply, 2.9lbs (6.4 Kg) shipping weight. In the optional carry case, the charger shall weigh 10 lbs. (4.53 kg).
The charger shall be a timed charger at 16 hours, and will provide a maintain charge once the timer has completed its charging cycle. Each bay on the charger shall have a red LED indicating charging status. The LEDs shall be on constantly during charging and will blink indicating when batteries are fully charged.
The charger CHG 3512 shall be powered by an external switching power supply (90-240 VAC input; 5 VDC, 4A output) via a CD barrel connector.
The charger shall have CE approval, and be compliant with RoHS and WEEE regulations.
The charger shall be the Williams Sound model CHG 3512.
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NOTE: The PPA Select Receiver requires a transmitter operating on 72-76 MHz. The PPA Select is approved by the FCC for operation in U.S. Markets. The receiver cannot be used in all countries. Check with your government´s radio regulations for 72-76 MHz operation.
PPA R37 LED Flash Codes
| Light Code |
Indicates |
Description |
| 1 Blink |
Channel locked |
Press "Seek" remains
on same channel |
| 2 Blinks |
Channel unlocked |
Press "Seek" tunes to
next available channel |
| 3 Blinks |
Channel unlocked
No channel present |
Press "Seek" attempts
to find another channel |
| On-Off-On-Off |
Low Batteries |
Replace or recharge
batteries |
Fade-On, Fade-Off
(continuous) |
No transmitter on
current channel |
Sleep / power save mode
(extends battery life) |
Around-ear Speaker Earphone
The Surround Earphone hangs on outside of ear which provides excellent sound quality. It can be used with all Williams Sound receivers and Pocketalkers®. Rigorously tested and approved for quality, reliability and compatibility with Williams Sound systems.
![EAR 022]()
3V 12 Unit Charger with Case
This multi-unit, drop-in style charger will conveniently store and charge up to 12 Williams Sound R33, R37, R35-8, R36, R863, RX22-4 receivers, or PPA T36, PPA T46, PFM T36, T863 transmitters over the course of a 16-hour time span. It helps keep your products organized and saves cost on having to replace alkaline batteries.
![CHG-3512-PRO]()
Includes:
- (1) Carry case
- (1) 12-bay charger
- (1) Power Supply (TFP 037)
- (1) Main Power Cord for USA (WLC 004)