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BeoLab 150
BeoLab 150
At the base of the BeoLab Penta column was the BeoLab 150 amplifier with a power output of 175 watts DIN/IEC. This could give your music a tremendous boost, both to the quality and the actual power output. It was ideal if you loved to party but had a relatively small music system. Big power needs careful control – so the amplifier was equipped with Bang & Olufsen’s Dynamic Soft Clipping system. This was a circuit that prevented both distortion and damage to the speaker units by softly rounding off signals that were too powerful. Another circuit prevented damage due to prolonged overloading.
BeoLab 150: Controlled overdrive
On the amplifier itself were buttons for adjusting bass and the level of sensitivity. This meant that you could arrive at a permanent adjustment that matched the room exactly.
BeoLab Penta turned on automatically when it received a signal and also turned itself off three minutes after receiving the last signal. BeoLab Penta had a light display that indicated the volume level and which sound source the music was coming from. This was especially useful with Beosystem 5500 and Beocenter 9500.
BeoLab 150 and 200 were used as part of the BeoLab Penta active loudspeakers range.
Connections:
At the bottom of BeoLab 150 were two clip-sockets and a four pole DIN socket for connecting speakers, a line input phono socket and a mains cable.
BeoLab 150 Product Specifications
Type: 1721 (1986 – Dec 1988)
Type: AUS 1725 (1986 – Nov 1987)
Type: GB-N 1722 (1986 – Dec 1988)
Type: J 1724 (1986 – Dec 1988)
Type: USA 1723 (1986 – De 1988)
Designer:
Manufactured: 1986 – 1988
Colours: Grey
Specifications: Power output 20 – 20,000 Hz IHF 1 x 150 watts / 8 ohms
Power output RMS DIN/IEC 1 x 175 W / 8 ohms
Power output music 1 x 225 W / 8 ohms
Total harmonic distortion < 0.015 %
Intermodulation distortion IHF < 0.02 %
Wideband damping factor IHF 150
Dynamic headroom IHF > 1.5 dB / 8 ohms
SN A-weighted 1 W IHF > 78 dB
S/N A-weighted 150 W > 100 dB
LINE input 80 mV / 1W, 10 V / 150 W, 150 Kohms
22 Kohms, phono plugs
Speaker input
800 mV / 1 W, 10 V / 150 W, 15 Kohms
DIN 4-pin or spring loaded contacts
Bass level switch Linear, +3 dB / 40 Hz, +6 dB / 40 Hz
Sensitivity switch 0 dB, -3 dB, -6 dB
Power supply:
1721: 220 V
1722/1725: 240 V
1723: 120 V
1724: 100 V
Power frequency 50 – 60 Hz
Dimensions WxHxD: 25 x 13 x 25cm
Weight 7kg
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Type | Language | Type | |
Service Manual | EN | BeoLab 150 Service Manual |
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