User's Manual

MCW-D 50 – Accessories
52
12. Technical Specifications
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
MCW-D 521 / MCW-D 523 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
Charging time
with CD 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 2 hours when the battery is completely empty
with CA 2457 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 5 hours when the battery is completely empty
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 600 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 also 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
MCW-D 531 / MCW-D 533 Microphone Units
Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Microphone Array
Pick up pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Corridor
Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 mA (mic on)
T.H.D.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 0.1%
Transmitter power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 15 dBm per channel (average, duty cycle ≤ 30%)*
Battery voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 NiMH cells, 2.5 Ah
Charging time
with CD 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 3.5 hours when the battery is completely empty
with CA 2457 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 7 hours hours when the battery is completely empty
Loudspeaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Integrated, two-way loudspeaker
Loudspeaker switch off at “Mic On” . . . . . . . . . . . . . . . . yes
AF output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Documentation output, not separately adjustable,
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)
CA 2457 Charger/DC power supply unit for MCW-D 5** microphone units . . . . . . . . . . . . . . . . . . . Order # 479.721
MCW-D 50 Controller
Licence for full version of controller to control the system via PC . . . . . . . . . . . . . . . . . . . . Order # 480.262