CMC HF Receiver Type XH14 Receiver

Circa 1969

A solid-state, fixed-frequency superheterodyne radio receiver designed for professional monitoring applications.

Use Case:

Primarily used by government and commercial entities, such as the Canadian Coast Guard shore stations and weather ships, for monitoring single sideband (SSB) and AM radio transmissions in the high frequency (HF) range (1.6 MHz to 24 MHz). This example is configured for horizontal rack mounting and has inputs for headphones or a line-level output for a speaker or recording device.

Used and Sold in the US Market:

CANADIAN MARCONI COMPANY had offices in the United States, including one in Cohoes, New York, to facilitate sales and operations. They also used representatives like KAAR ELECTRONICS CORPORATION. to cover other US regions (New Jersey and California).

Units have appeared on the US surplus market and on auction sites with US-based sellers, making them available for purchase and use by private individuals, such as amateur radio enthusiasts or collectors, in the USA.

Historical Significance:

A significant piece of Canadian telecommunications history, representing the transition from older vacuum tube technology to more reliable, solid-state designs for critical maritime communication networks. These rugged, reliable units were instrumental in enabling reliable SSB communications for decades.

(H-9cm x W-22cm x D-41cm)