Yaesu M-90D Desktop Microphones utilize a finely tuned dynamic element to deliver rich low to mid frequency response, desirable for a clear and concise conversational sound that is pleasing to the ear of the listener. The oversize dynamic microphone element and windscreen of the M-90D is designed to accentuate voice input from the front and limit ambient noise and sounds from the side. The attractive desk stand base of the M-90D features a large PTT bar switch, a PTT lock button, and both 8-pin modular and round connectors at the back. By swapping the orientation of the supplied coiled cord cable with 8-pin round and modular connectors at either end, the M-90D may be used with virtually any Yaesu HF transceiver*. For difficult band conditions, a built-in, low-cut filter creates clear and crisp audio characteristics by shaping the low frequency response (cut off at 340Hz, -6dB/octave). An integrated isolation transformer enhances the audio quality of this fine microphone, which also uses three air cylinder tubes, similar to the M-1 Reference Microphone, to provide a lifetime of solid, smooth, and noiseless PTT operation.
Yaesu M-90D Desktop Microphone specifications:
Microphone type: Dynamic element, preamplified
Supply voltage: 5.0 V DC ±10 percent (supplied by most Yaesu transceiver mic connectors*)
Frequency response: 30 to 17000 Hz
Sensitivity: -60 dB (1 kHz 0 dB=1V/1Pa)
Microphone impedance: 600 ohms
Dimensions (WHD): 4.17 x 7.56 x 4.98 in. (106 x 192 x 126.5mm) Height maximum when microphone head position is flat
Weight: 18.70 oz. (530 g) without cable
NOTE: The M-90D Mic head does not disconnect from the desk stand base for other uses. (See M-90MS Mic Head for boom or mic stand applications.)
The M-90D is directly compatible with the FTDX101 Series, FTDX10, FT-991A, FT-891, FTDX5000 Series, FTDX3000/D, FTDX1200, FTDX9000 Series, FTDX2000/D, FT-950, FT-450/D, FT-897/D, FT-857/D, FT-818ND, FT-817/ND, FT-900, FT-847, FT-920, FT-1000MP, FT-1000MP MARK-V and FT-1000MP MARK-V Field.
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