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6.1
Specification guidelines for service use
Specification guidelines for service use
BeoLab 4000 MKII
Type
6642 (EU), 6643 (GB), 6644 (US), 6645 (J), 6646 (AUS), 6647 (KOR)
6648 (CN)
Power supply:
Voltage
100-240 Volt
Power consumption
Typical: 6 W, Standby: 0.5 W
Cabinet finish
Grey, black, dark grey, yellow, red/black, blue/black
Front cloth
Grey, black, dark grey, yellow, red, blue
Dimensions W x H x D
28 x 32 x 16 cm (with wall bracket)
Weight
4.5 kg
Indicator
LED for On (green) or Off (red)
Operation
Left, Right or LINE, switch
Protection
Thermal protection of SMPS
Tweeter protection
System data:
Effective Frequency range
55–20,000 Hz
Sound Pressure Level (SPL)
97 dB/IEC noise 3 m/stereo/room
Input impedance
47k
W
Harmonic distortion
<6% 90 dB SPL/1 m/250-1000 Hz
<2% 90 dB SPL/1 m/1000-5000 Hz
Electronics:
Active crossover network
Linkwitz/Riley
High pass filter
30 dB/octave, 51 Hz
Low frequency equalization
51 Hz/+10 dB
Bass equalization
ABL (Adaptive Bass Linearization)
Acoustics and cabinet
:
Cabinet principle
Bass reflex
Woofer
114 mm (4½”), 8
W
Tweeter
18 mm (¾”), 8
W
Magnetically shielded
Yes
Crossover frequency
3.3 kHz
Net volume, bass
4 litres
Power amplifier:
Signal to noise ratio
>= 84 dBA (1W in Woofer)
Input sensitivity/impedance:
Input sensitivity Power Link & Line
125 mV (88 dB SPL) Auto switch on
Power link sockets
1V/47 k
W
Power link channel separation
>55 dB/10,000 Hz
Standby function
Automatic On-Standby
Switch off time (line)
3 min.
Power amplifier, bass
30 W, Class D, ICE power®
Power amplifier, treble
30 W, Class D, ICE power®
Long-term maximum output power
56 W
Connections:
Power Link
2 x 8-pin socket
Pin 1
Power up/down not used
(interconnected between the two Power Link plugs )
Pin 2
Signal GND
Pin 3
Left in (also used for line in. Note: pin2&7 in the plug
must be connected when used for line in)
Pin 4
Loudspeaker on/sense => 2.5V, OFF =< 0.5V
Pin 5
Right in
Pin 6
Data (Not used)
(interconnected between the two Power Link plugs )
Pin 7
Data GND
Pin 8
(Not used)
(Jacket:
No connect)
Subject to change without notice
Содержание Beolab 4000 MKII 6642
Страница 3: ...PCB01 Amplifier PCB02 SMPS PCB03 Main PCB PCB04 LED Survey of modules 1 2 3 4 Survey of modules 1 1 ...
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Страница 11: ...5 BeoLab 4000 MKII in service position Remove cables for speaker units ...
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Страница 26: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538061 03 07 ...