Boundary-style microphone.
With CM-3 Conference Microphone for ALDs and Voice
Recordings no need for passing the microphone around or to miss out on faint
voices during play-back of the meeting recordings. To enhance intelligibility,
the microphone has been designed to provide a smooth boost in the frequencies
around 3 kHz. With it's unique daisy-chain capability, even the longest
conference table can be adequately covered for the hard of hearing as well as
someone doing voice recordings at meetings.
The CM-3's contemporary design affords
discrete setup at any conference table. It is a so-called boundary type
microphone, where the hard reflective surface (the conference table) it is
placed on constitutes the boundary. Taking advantage of the natural boundaries
has resulted in a small compact design with it's main body fitting in the palm
of a hand. A dense body composition combined with large rubber feet prevents
skidding on any surface and reduces annoying mechanical noises usually
associated with conference arrangements.
The CM-3 conference microphone works
with all brand name assistive listening devices, cassette recorders and digital
voice recorders employing electret microphones. Most assistive listening devices
such as personal FM systems can power at least two CM-3 microphones. The
standard CM-3 is available with 3.5 mm and 2.5 mm mono-jacks. Other jacks or
adaptors are available upon request. Special XLR adaptors for commercial phantom
powered mixers are also available.
For assistive listening applications,
the typical pick-up range is 8-12 feet. However, the realized pick-up range may
vary from 5 to 15 feet depending on environmental conditions and the individual
user's discrimination. . For voice recording applications, a single conference
microphone will do in most cases. However, one of the CM-3's main features is
it's daisy-chain capability. The effective pickup range can be expanded
substantially by daisy chaining two or more CM-3 conference microphones together
with V-cords, Y-splitters and extension cords.
Advantages:
- Compact and completely portable
- Increased signal-to-noise ratio
- Consistent tone quality and low
vibration sensitivity
- Can be daisy chained. No mixer
required
Technical Specs:
- Sensitivity @1kHz (0 dB =1V/Pa...-38dB
- Output impedance...1.5 K Ohm
- Directivity (on flat hard
surface)...Omni-directional
- Signal-to-noise ratio...> 60 dB
- Frequency response...100 Hz -10 kHz (+4 dB @ 5
KhZ)
- Phantom power & current drain...1.5 TO 10 vdc, 0.3
mA
- Dimensions & weight...2" triangle x 5/8" H, 2.5
oz
- Cord length...36"
- Connector...3.5 mm (1/8") mini-phone plug
What you get:
Boundary style microphone with 3 foot cord and 3.5 mm plug.
