Bang & Olufsen Beocenter 9000

DetailsProduct specificationService manual

Details

Beocenter 9000

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.

BeoCenter 9000 Design: Elegant Simplicity in Glass and Aluminum

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.

BeoCenter 9000’s Sensi-Touch Control: A Futuristic Audio Experience

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.

BeoCenter 9000 Sound System: Auto Reverse, Dolby, and HX-Pro Features

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.

BeoCenter 9000 Integrated Music System: CD Player, Radio, and Amplifier in One

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.

Product specification

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

BeoCenter Product Specifications

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

Service manual

Beocenter 9000 service manual can be downloaded here for free.