Personal Companion

The PR-72b Companion receiver is a high performance miniature receiver. And due to its excellent performance and many available options, this versatile receiver may be used for many applications IFB and professional studio communications, personal cueing, industrial communications, and individual auditory assistance, to name a few. Also, because of its extended frequency response and low noise level, the PR-72b is a convenient receiver to use with portable tape recorders.

The PR-72b incorporates the latest state-of-the-art technology offering low power consumption for longer battery life (up to 40 hours). Special features include an LED battery condition indicator, automatic on/off power switch, battery charging access through the output jack, slide-open battery compartment, and no external antenna only the output cable extends from the receiver.

The following options are also available: plug-in channel selector, external microphone input for specialty applications, switch for two-channel operation and an independent on/off switch. Moreover, the PR-72's small size and light weight make it easy to carry in a pocket or pouch.

The PR-72b Personal Receiver is compatible
with the following COMTEK transmitters:


Audio Outputs: 2.5 volts RMS, adjustable volume control nominal load 50-600 ohms (100 ohms nominal)

Connectors: 1/8" mini jack (locking plug optional)

Indicators: LED battery condition indicator

Audio Frequency Response: 100 Hz to 10 kHz with M-72 transmitter

Operating Radio Frequency: Single channel, 50-215 MHz

Frequency Stability: .005% crystal controlled

RF Sensitivity: 1 V for 20 dB of quieting

Adjacent Channel Rejection: -55 dB with 50 kHz channel spacing (72-76 MHz)

Image and Spurious Response: At least -60 dB (72-76 MHz)

Ultimate Quieting: Better than -65 dB related to output

Bandwidth Acceptance: Up to 30 kHz deviation

Antenna: Intergral with output cable (no external antenna)

Current Drain: 14 mA nominal

Battery: 9 volt alkaline Eveready 522 or equivalent or optional 9 volt nickel-cadmium rechargable battery

FCC Compliance: Certification under Part 15

Dimensions: 1 1/16" X 2 1/4" X 3 1/4" (27 mm X 57 mm X 83 mm)

Weight: 4 ounces (110 grams) approx.

For more information on the PR-72b Personal Companion Receiver or COMTEK's comprehensive line of high quality wireless sound products, e-mail us or give us a call at (801) 466-3463. Our applications engineers will be happy to work with you.

357 West 2700 South / Salt Lake City, Utah 84115

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