Williams Sound PFM PRO Personal FM Listening System, 17 Selectable Channels, 72-76 MHz Operating Frequencies, FM Signal, Compression, Mute Control, Operates up to 150 Feet
Williams Sound PFM PRO Personal FM Listening System; 17 selectable channels; 72-76 MHz operating frequencies; FM signal, compression, mute control; Operates up to 150' (46 m)
The PFM PRO deliver superior audio directly to the ear, enhancing sound at home, work, or school – anywhere background noise or distance from the source makes listening difficult. A versatile 3.5mm jack allows for a variety of earphones and headphone options, and is compatible with neckloops and telecoil-equipped hearing aids (not included with system).
Key Features
17 selectable channels
72-76 MHz operating frequencies
Auxiliary input - broadcast any audio source
FM signal, compression, mute control
Operates up to 150' (46 m)
Improves listening for individuals or groups
Specifications
PPA R37 Transmitter
Intermediate Freq.: 75 kHz
FM Deviation: 75 kHz
De-Emphasis: 75 µS
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
Audio Output: 35 mW max, peak into 16 ohms
Earphone: Earbud-type with foam cushion, 3.5 mm plug, 32 ?
Auto Shut-off: Enters sleep mode after approx 6 mins of no RF signal
PPA T46 Receiver
Stability: ± .005%, frequency synthesized, crystal reference, PLL
