O
PTIONAL
A
CCESSORIES
CA 2475
Microphone stand, 3/8", adjustable height 870 - 1575 mm, with heavy base plate and
plate where to place MCW-D or MCS microphone units, basalt grey . . . . . . . . . . . . . . . . . . . . . Order # 472.212
CA 2457
Charger/DC power supply unit for MCW-D 5** microphone units. . . . . . . . . . . . . . . . . . . . . . . . Order # 479.721
E3/beyerdynamic MCW
-D 521 (10.05)
T
ECHNICAL
S
PECIFICATIONS
General
Frequency range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2400 - 2483.5 MHz (ISM-band)
Modulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct Sequence Spread Spectrum DSSS, digital signal processing acc.
to own standard
Max. number of audio streams . . . . . . . . . . . . . . . . . 9 useable channels per system
Signal-to-noise ratio . . . . . . . . . . . . . . . . . . . . . . . . . . 80 dB typ., (unweighted signal-to-noise ratio)
Range between microphone units
and control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 100 m
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 - 240 V AC 50/60 Hz
Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . world-wide
Microphone Units
Transmitter power . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 15 dBm per channel (average, duty cycle
≤
30%)*
Battery voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 NiMH cells, 1600 mAh
External DC operation . . . . . . . . . . . . . . . . . . . . . . . . 18 V DC (±0.5 V), residual hum < 20 mV, 400 mA
Loudspeaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wide-band, integrated loudspeaker
Volume decrease when Mic On (“Ducking”) . . . . . . . 15 dB fixed setting
AF output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Documentation output, unbalanced jack socket (3.5 mm, stereo)
Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tip = AF+
Ring = AF -
Shield = ground
Output level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 2.4 V rms on open circuit, T.H.D. < 1%
2.3 V rms at 80
Ω
load, T.H.D. < 1%
Min. impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600
Ω
Integrated limiter against clipping. . . . . . . . . . . . . . . cannot be switched off
Limiter activity at . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 dB SPL
Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.6 V with integrated NiMH battery (8 cells)
Operating time depending on the type of
the microphone unit . . . . . . . . . . . . . . . . . . . . . . . . . approx. 20 hours in discussion mode;
operating time depends on the volume
Temperature range. . . . . . . . . . . . . . . . . . . . . . . . . . . +10° - +40°C (at < 90% humidity)
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . -20° - +55°C (at < 90% humidity)
Dimensions (without microphone) . . . . . . . . . . . . . . . Length:
191 mm
Width:
156.5 mm
Height:
52 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 kg
*The transmitter power can differ from this value due to specific regulations in various countries.
AF
