BeoCenter 9000 revolutionized Bang & Olufsen’s audio systems, combining sleek, minimalist design with advanced technology. Building upon the ideas introduced in the BeoMaster 1900, this model became an iconic product that masterfully balanced both form and function.
The design of the BeoCenter 9000 fully embraced modernist aesthetics. Not only did it feature a fully flat surface made of black glass and brushed aluminum, but it also allowed all components, including the CD player and tape recorder, to slide out effortlessly. Consequently, this design perfectly embodied Jacob Jensen’s vision of seamless user interaction.
In addition to its innovative design, the BeoCenter 9000’s touch-sensitive interface, also known as sensi-touch control, revolutionized how users interacted with audio systems. Two glass panels lit up when touched, offering a magical and intuitive experience. Thus, controlling audio settings felt effortless and futuristic.
Not only was the BeoCenter 9000 a design masterpiece, but it also delivered superior audio performance. With features like Auto Reverse, Dolby B & C noise reduction, and the HX-Pro recording system, it ensured consistently high-quality sound across all formats. As a result, listeners enjoyed their music with enhanced clarity, especially when using cassette tapes.
Moreover, the BeoCenter was a fully integrated music system. It combined a CD player, tape deck, radio, and amplifier, allowing users to preset up to 20 AM/FM stations. Furthermore, it provided convenient recording options, making it the centerpiece of any high-end home audio setup.
Award-Winning Audio Technology
Thanks to its innovative features and exceptional design, the BeoCenter 9000 earned international recognition, including the Japanese Good Design Award and the German Design Auswahl. As a result, it solidified its place as one of Bang & Olufsen’s most celebrated modern classics. Its sleek appearance and intuitive operation made it a favorite among both design enthusiasts and audiophiles.
Influence on Future Audio Systems: Less Is More
In conclusion, Jacob Jensen’s minimalist approach to the BeoCenter 9000 highlighted the “less is more” philosophy. By eliminating unnecessary components, the design focused on a smooth user experience and pure technology. As such, this concept significantly influenced future audio system designs, proving that simplicity can drive innovation.
Type Numbers
2501 (UK): Manufactured from 1986 to January 1990
2505 (AUS): Available from 1986 until August 1989
2504 (J): Produced from 1986 to January 1990
2503 (US): Released in 1986 and continued until January 1990
Designer:
Jacob Jensen
Manufacturing Period:
1986 to 1990
Color Options:
Aluminium
Amplifier Specifications
Long-term Maximum Output Power (IEC): 2 x 80 watts at 8 ohms
Power Output (20 – 20,000 Hz, IHF): 2 x 30 watts at 8 ohms
Total Harmonic Distortion (IHF): < 0.1% at 30 watts (20 – 20,000 Hz)
Dynamic Headroom: 1 dB at 8 ohms
Intermodulation Distortion (IHF): < 0.1%
Tone Controls
Bass Control: ± 10 dB at 40 Hz
Treble Control: ± 8 dB at 12,500 Hz
Tuner Specifications
FM Range
Models 2501 / 2505: 87.5 – 108 MHz
Model 2504: 76 – 90 MHz
LW Range (2501 only): 150 – 350 kHz
MW Range (2501 only): 80 µV
Connections
Tape: 2 DIN
Phono: DIN
AUX: DIN
Extra Amplifier: Phonoplug
Link Compatibility: Datalink
Tape Recorder Specifications
Compact Cassette Compatibility: C46, C60, C90, C120
Recording System: HX PRO
Tape Head Material: Sendust
Wow and Flutter (DIN): < 0.15%
Frequency Range (Chrome): 30 – 18,000 Hz ± 3 dB
Signal-to-Noise Ratio (CCIR/ARM):
Metal: Dolby NR B: >64 dB, C: >73 dB
Chrome: Dolby NR B: >65 dB, C: >74 dB
Ferro: Dolby NR B: >63 dB, C: >72 dB
Compact Disc Player Specifications
Frequency Range: 3 – 20,000 Hz ± 0.3 dB
Signal-to-Noise Ratio: > 96 dB (100 dB A-weighted)
Dynamic Range: > 96 dB
Harmonic Distortion
0.003% at 0 dB
0.03% at -20 dB
Channel Separation: > 94 dB (20 – 20,000 Hz)
Converter System: 2 x 16 bit, 4 x oversampling at 176.4 kHz
Low Pass Filter: Digital + Analog
Power Supply Specifications
Voltage
Models 2501 / 2505: 110 – 130 – 220 – 240 V (switchable)
Model 2504: 100 V
Power Consumption: Maximum 200 W
Dimensions: Width x Height x Depth: 76 x 11 x 34 cm
Weight: 14 kg
Beocenter 9000 service manual can be downloaded here for free.
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