|COLLINS SM-1, SM-2 & SM-3 Microphones
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|The Collins SM-1 desk top microphone is a high
impedance, nonmetallic dynamic mike with a frequency reponse from 100-3500
cycles per second. It has an output level of -53 db. Finished in brushed
satin chrome, this compact microphone is equipped with a rubber islolated
stand and a five-foot length Koiled Kord. It can be adjusted for various
The Collins SM-2 microphone is a slender, gray and chrome desk-top unit
which blends perfectly with Collins' other station equipment. The SM-2
is omnidirectional and provides excellent transmission for the amateur operator.
The frequency response of the SM-2, 200-3000 cycles, matches that of
the S/Line and KWM-2. The SM-2 has an output level of -53 db and is
equipped with a five-foot length of Koiled Kord and plug. It is mounted
on a rubber islolated stand. A swivel permits a 60 degree swing for
The Collins SM-3 desk top microphone has the same features as the SM-2, except
it has a push-to-talk switch built into the rubber-isolated base. It
also has a little different look.
Information from Collins Amateur
Radio Equipment Catalog No. 32 &
Collins Amateur Equipment catalog 20M-CR-12-75
Click on thumbnails for larger pictures.