Williams Sound PPA R37-8N 8 Channel 72 MHz FM Receiver

Flexible and simple. PPA R37-8N FM receiver features 8 pre-set wideband frequencies between 72-76 MHz. All 8 channels have been frequency allocated for simultaneous use - making it popular for language interpretation applications. Digitally synthesized for even greater audio clarity and stability, PPA R37-8N also offers a battery-saving Sleep Mode. A versatile 3.5mm stereo/mono jack allows for a variety of earphone and headphone options, and is neckloop compatible to work with telecoil-equipped hearing aids. The stylish, impactresistant PPA R37-8N receiver is compatible with any Williams Sound transmitter operating on the 72-76 MHz bandwidth. PPA R37-8N is the same as PPA R37-8 but no batteries and no earphone.

Specifications

• Dimensions: 4.1” x 2.85” x 1.38”
• Weight: 2.6 oz w/o batteries
• Battery Type: 2 AA Alkaline or (2) x AA NiMH
• Battery Life: Two AA non-rechargeable alkaline batteries (BAT 001-2), approx. 50 hrs, or 2 AA rechargeable NiMH batteries (BAT 026-2), 1500 mAh, approx. 32 hrs
• Current Consumption: 42 mA nominal
• Temperature Range: – 0 to 50 °C
• Channels: 8, accessed via rotary knob on top of unit
• Operating Frequencies: 72.1, 72.3, 72.6, 72.8, 74.7, 75.4, 75.7, 75.9 MHz
• Modulation: FM, +/- 75 kHz peak deviation
• De-Emphasis: 75 µS
• LED Indicator: Power: Green; Low Battery: Flashes Green; Sleep mode: Fade-on,Fade-off
• Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
• Input Overload: 100 mV
• Frequency Response: 200 – 15 kHz
• Signal-to-Noise Ratio: 65 dB min @ 100 uV
• Receive Antenna: Integral with earphone/headphone cord
• Audio Output: 35 mW max, peak into 16 Ω
• Output Connector: 3.5 mm stereo/mono phone jack
• Sleep Mode: Enters sleep mode after approximately 6 mins of no RF signal, returns to normal operation when a transmitter is re-established on same channel

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