R37 FM Receiver (Only)
Last updated Nov 1, 2026 · 2 entries in Page history
The PPA R37N is the R37 FM receiver on its own, with seek-button access to 17 wideband channels in the 72-76 MHz band, a 3.5 mm stereo/mono jack and a belt clip. No batteries or earphones are included.
As the source prints itChannels17, accessed via seek button in battery compartmentPress to see it in the sheet ↓
As the source prints itBattery LifeTwo (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs
(2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrsPress to see it in the sheet ↓
As the source prints itAudio Output35 mW max, peak into 16 ohmsPress to see it in the sheet ↓
As the source prints itWeight4.6oz (130g) with batteries. 2.6oz (73g) without batteriesPress to see it in the sheet ↓
- Part number or model
- PPA R37N
- Catalog number
- Not assigned yet
Specifications
35 fields, as the source states them
Description
- Summary
- The R37 FM Receive features seek-button channel selection with access to 17 pre-set, wideband frequencies reserved for hearing assistance by the ADA. The receiver is compatible with all Williams Sound 72-76 MHz wide-band transmitters. No batteries or headphones are included.
- 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.
- Description
- 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.
- System Includes
- (1) PPA R37N Receiver *All items can be purchased separately
- Can also be ordered as
- PPA R37N: Receiver and Belt Clip (CLP 023) (No batteries or earphones) PPA R37-00: Receiver, batteries (BAT 001-2) and Belt Clip (CLP 023) (No earphones) PPA R37 HD: Receiver, batteries (BAT 001-2), Belt Clip (CLP 023) and headphones (HED 021)
Includes
- Includes
- HED 021 EAR 013 EAR 022 No earpiece No earpiece or battery
Features
- 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
PPA R37N
- 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
- PPA R37N: Warranty
- Lifetime PLUS Limited Warranty, 90 Days on most accessories.
Warranty
- Warranty: Warranty
- Lifetime PLUS Limited
PPA R37N architectural and engineering specifications
- PPA R37N architectural and engineering specifications
- The PPA R37 receiver shall be encased in black, PC/ABS impact-resistant plastic with a hinged battery door. The receiver shall be a body-pack style and include a detachable belt-clip for hands-free operation. The receiver shall have a 3.5mm stereo/mono jack to accommodate stereo or mono low impedance earphones, headphones and neckloops. The receiver shall have a combination volume control with power on/off rotator dial. It shall have a green LED indicating battery and system status codes. The R37 shall have access to 17 preset wideband channels between 72-76MHz. Channel selection shall be made by pushing the seek button inside the battery compartment. The receiver shall have channel-lock capability. The receiver shall have a slide switch inside the battery compartment to select disposable Alkaline or NiMH rechargeable battery operation. It shall have charger contacts on the bottom of the receiver for use with Williams Sound drop-in chargers CHG 3512 and CHG 3502. The R37 shall operate up to 50 hours with two disposable AA Alkaline batteries and up to 32 hours with two AA NiMH rechargeable batteries (BAT 026). The receiver shall provide a maximum out of 35mW at 16ø with an earbud type earphone. The systems audio frequency response shall be 200Hz to 15kHz ± 3dB and the signal to noise ratio shall be 65dB min. The receiver sensitivity shall be 2μV or better at 12dB Sinad with squelch defeated. The R37 shall accept up to ±75kHz FM deviation and have a 75 μ s de-emphasis time constant. The R37 shall have FCC, Industry Canada approvals and be compliant with RoHS and WEEE regulations. The receiver shall be covered by a Lifetime PLUS Limited Warranty, excluding earphones, headphones and batteries. This receiver model shall be the Williams Sound model PPA R37.
Source: williamsav.com, Product page, read Nov 1, 2026 UTC.
Size and weight
Inches and pounds, millimetres and kilograms
The product
| What | Inches and pounds | Millimetres and kilograms |
|---|---|---|
| Dimensions | 4.1 | 104 |
| WeightWith batteries | 4.6 oz0.288 lbconverted | 130 g0.13 kgconverted |
| WeightWithout batteries | 2.6 oz0.163 lbconverted | 73 g0.073 kgconverted |
Figures in black are the maker’s. Figures in grey are converted by the wiki (1 in = 25.4 mm, 1 lb = 0.45359237 kg).
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More from Williams AV
6 pages on the wiki
Documents
4 linked, none copied here
References
1 source, with the day it was read
- williamsav.com, Product page, read Nov 1, 2026 UTC. Supports 35 specifications, the related products, the documents
Page history
Every read and every change to this page, newest first
- Page created from the maker’s page, among the products buyers searched on PriceQ. Product type proposed. Descriptions written at three lengths from the specifications.Claude Opus (AI agent) · Not reviewed yet
- Read on williamsav.com: Product page.Claude Opus (AI agent) · Not reviewed yet
The descriptions are written by the wiki from the specifications above, never copied from the maker.
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