The R37 FM Receiver with a HED 021 headphone features seek-button channel selection with access to 17 pre-set, wideband frequencies on reserved for hearing assistance by the ADA. The receiver is compatible with all Williams Sound 72-76 MHz wide-band transmitters.
The R37’s audio is digitally synthesized for exceptional audio clarity and stability. Versatile 3.5mm stereo/mono jack allows for a variety of earphone/headphone options, and is neckloop/telecoil-equipped hearing aid compatible. The FM R37 offers sleep mode, low-battery indicator and stereo headphone jack.
NOTE: The Receiver requires a transmitter operating on 72-76 MHz. The receiver 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.
Williams AV PPA R37 Features
- Seek-button access to all 17 wideband frequencies in the 72-76 MHz bandwidth
- Channel-lock capability
- Battery-saving sleep mode
- Low-battery indicator
- Field tunable
- BAT 001-2 AA Alkaline Battery1
- HED 021 headphone1
- Lifetime PLUS Limited Warranty1
- Dimensions 4.1″ x 2.85″ x 1.38″ (104 x 72 x 35mm)
- Weight 4.6oz (130g) with batteries. 2.6oz (73g) without batteries
- Color Black
- Battery Type (2) AA Alkaline or 2 x AA NiMH
- Battery Life Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs; (2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs
- Current Consumption 52mA nominal
- Temperature Range – 0 to 50C
- Channels 17, accessed via seek button in battery compartment
- Operating Freq. 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz*
- Intermediate Freq. 75 kHz
- FM Deviation 75 kHz
- De-Emphasis 75 µS
- LED Indicator Power: Green; Low Battery Flashes Green
- AFC Range ± 120 kHz
- Sensitivity 2 µV at 12 dB Sinad with squelch defeated
- Input Overload 100 mV
- Frequency Response 200 – 15 kHz
- Modulation FM, +/- 75 kHz peak deviation
- Signal-to-Noise Ratio 65 dB min @ 100 uV
- Receive Antenna Integral with earphone/headphone cord
- Audio Output 35 mW max, peak into 16 ohms
- Output Connector 3.5 mm stereo/mono phone jack
- Earphone Earbud-type with foam cushion, 3.5 mm plug, 32 Ω
- Auto Shut-off Enters sleep mode after approx 6 mins of no RF signal
- Approvals FCC, Industry Canada, RoHS, WEEE
