Toshiba HX-R730
This page was last modified 12:56, 25 August 2022 by Mars2000you. Based on work by Gdx.


The Toshiba HX-R730 is a modem with acoustic coupler, it was used when there was not yet a modular jack phone connector.

This device was connected to the computer and the phone handset was put on the acoustic coupler.

The phone is pressed into rubber rings so that a loudspeaker and a microphone carry telephone signals to/from the telephone line.

It is unknown if this device has built-in a RS-232C interface.

Launch price: ¥49,800


Toshiba HX-R730