FM R38 Receiver Kit

FM R38

The FM R38 is a multi-channel FM receiver with a high-resolution OLED screen. The receiver comes with earphones and batteries, but is otherwise identical to the PPA R38.

The R38 offers a quick view of receiver status and immediate entry to all user settings. On-screen channel selection with easy access to 17 pre-set, wide-band frequencies (72-76 MHz). Compatible with all Williams Sound 72-76 MHz wide-band transmitters. Digitally synthesized for exceptional audio clarity and stability. Digital tuning, digital squelch and battery saving sleep mode. New stereo jack paired with the mono jack adds compatibility with a variety of earphones/headphones. Rechargeable.

Batteries and Earphones

Description

The FM R38 is a multi-channel FM receiver with a high-resolution OLED screen. The receiver comes with earphones and batteries, but is otherwise identical to the PPA R38.

The R38 offers a quick view of receiver status and immediate entry to all user settings. On-screen channel selection with easy access to 17 pre-set, wide-band frequencies (72-76 MHz). Compatible with all Williams Sound 72-76 MHz wide-band transmitters. Digitally synthesized for exceptional audio clarity and stability. Digital tuning, digital squelch and battery saving sleep mode. New stereo jack paired with the mono jack adds compatibility with a variety of earphones/headphones. Rechargeable.

System Includes

(1) PPA R38N Receiver
(1) EAR 022 Surround Earphone
(1) BAT 001-2 AA Alkaline Battery

FM R38 architectural and engineering specifications

The 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 jack to accommodate stereo or mono low impedance earphones, headphones and neckloops. The receiver shall have a power button that is backlit indicating power is on. The receiver shall receive 17 preset wideband channels between 72-76MHz. Channel selection shall be made in the menu. 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 recevier shall operate up to 50 hours with two disposable AA Alkaline batteries (BAT 001-2) and up to 32 hours with two AA NiMH rechargeable batteries (BAT 026-2).

The receiver shall provide a maximum output of 35mW at 16Ω 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 receiver shall accept up to ±75kHz FM deviation and have a 75 µS de-emphasis time constant.

The receiver 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, 90 Days on most accessories.

This receiver model shall be the Williams Sound model PPA R38N.

FM R38

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/Silver. Black ABS Plastic case with Aluminum faceplate.

Battery Type:

(2) AA Alkaline or (2) AA NiMH Rechargeable

Battery Life:

(2) AA non-rechargeable alkaline batteries (BAT 001-2), approx. 50 hrs.
(2) AA rechargeable NiMH batteries (BAT 026-2), 1500mAh, approx. 32 hrs.

Current Consumption:

52mA nominal

Operating Temp. Range:

32° – 122°F (0° to 50°C)

Channels:

17 Wideband, accessed via menu

Operating Frequencies:

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*

FM Deviation:

75 kHz

De-Emphasis:

75 µS

Display Screen:

1″ OLED

Power Indication:

Power button, backlit green.

Good battery strength – glows solid. Low battery – flashes.

Sensitivity:

2 µV at 12 dB Sinad with squelch defeated

Input Overload:

100 mV

Frequency Response:

200 Hz – 15 kHz, ±3dB

Signal-to-Noise Ratio:

Minimum 65 dB @ 1.0V

Receive Antenna:

Integral with earphone/headphone cord

Audio Output:

35 mW max at 16 Ω

Headphone Connector:

3.5 mm stereo jack, mono output for stereo or mono earphones/headphones

Headphone Impedance:

32 ohms

Supplied Earphone:

Stereo,earbud-type with foam cushion, 3.5 mm plug, 32 Ω

Power Save Mode:

Enters sleep mode after approximately 3 minutes of no RF signal

Approvals:

FCC, Industry Canada, RoHS, WEEE

Warranty:

Lifetime PLUS Limited Warranty, 90 Days on most accessories.

 

Warranty

Lifetime PLUS Limited

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