M&M EK-1, EK-1A Dah-Ditter

Object/Artifact

-

Radio Alpha

Image: 73, Dec 1969

Image: 73, Dec 1969

Name/Title

M&M EK-1, EK-1A "Dah-Ditter"

Description

Electronic Keyer

Category

Keyers, Electronic

Made/Created

Manufacturer

M&M Electronics

Date made

1967 - 1970

Other Name

"Dah-Ditter"

Valuations

Value

$34.95

General Notes

Note

QST, Jan 1968, p. 132. QST, Sep 1968, p. 150. QST, Feb 1969, p. 112. QST, Dec 1969, p. 146. QST, Feb 1970, p. 122. Early ads say it used integrated circuits. Later ads only say that it was solid state. – Built-in AC power supply. – Speed range: 5–40 WPM with fixed 3:1 ratio. – Self-completing – Isolated relay output – Built-in monitor