Bang & Olufsen BeoGram 4004 Turntable (1980)

The Bang & Olufsen BeoGram 4004 was introduced in 1980 and produced until 1982. It belongs to B&O's line of tangential-tracking turntables from Denmark. The 4004 pairs a clever mechanical design with minimalist styling.

Key Specifications

Feature	Specification
Model	BeoGram 4004
Brand	Bang & Olufsen
Year of Release	1980
Production Period	1980–1982
Turntable Type	Semi-automatic, belt-driven
Tonearm Design	Tangential linear-tracking
Cartridge	B&O MMC (Moving Magnet Ceramic) low-mass design
Output Level	~5 mV (MM)
Recommended Load Impedance	47 kΩ
Speeds	33⅓, 45 RPM
Speed Control	Electronic, quartz-locked
Drive System	Belt drive with precision motor
Platter	Aluminum, suspended sub-chassis
Dimensions	450 × 155 × 370 mm (W×H×D)
Weight	12.5 kg
Power Requirements	220–240V AC (external power supply)
Dust Cover	Hinged acrylic, included
Finish Options	Black anodized aluminum, stainless steel accents

Historical Context

The BeoGram 4004 continued the earlier BeoGram 3000 and 4000 series in B&O's high-fidelity lineup. It has a tangential tonearm, which moves the cartridge in a straight line across the record groove and so eliminates lateral tracking error. Compared to a traditional pivoted arm, this significantly reduces distortion and wear.

David Lewis designed the 4004 in the Scandinavian minimalist style: clean lines, functional layout, and a look that fits modern living spaces. A suspended sub-chassis isolates it from external vibrations, and electronic speed control keeps the pitch stable.

The 4004 was marketed as a premium component within B&O’s BeoSystem ecosystem, often paired with BeoLab speakers and BeoCombi units. It represented not just high performance, but a lifestyle statement—where audio equipment was as much about art as it was about sound.

Sound Signature

The BeoGram 4004 has a clean, detailed, and neutral sound profile. The tangential tracking arm and precision engineering give it:

Exceptionally low tracking error
High channel separation
Minimal distortion
Accurate stereo imaging

The proprietary B&O MMC cartridge contributes to a balanced presentation with extended highs and tight bass, though some users note a slightly reserved midrange compared to contemporary high-end cartridges. Overall, the 4004 excels in transparency and musical accuracy, making it a favorite among purists.

Maintenance and Common Issues

The BeoGram 4004 is solidly built, but its age and specialized components mean it needs careful maintenance:

Common Issues:

Belt degradation: The internal rubber belt may harden or snap after decades; replacement is essential for proper operation.
Aging capacitors: The external power supply and internal control board may suffer from dried-out capacitors, leading to speed instability or failure.
Cartridge wear and availability: The B&O MMC cartridge is proprietary and no longer in production. Used units are expensive and may require recertification.
Suspension sagging: The sub-chassis suspension can degrade over time, affecting isolation and level stability. Rebuilding the suspension is possible but requires expertise.
Tonearm rail lubrication: The linear tracking mechanism relies on a precision rail that may need cleaning and re-lubrication.

Maintenance Tips:

Regular cleaning of the platter, tonearm, and record surface is essential.
Check belt tension annually; replace every 10–15 years or as needed.
Use a multimeter to test power supply output before connecting.
Store vertically to preserve suspension integrity.
Seek specialized technicians for cartridge alignment or internal repairs—generic turntable tools may not suffice.

Collectibility and Market Value

The BeoGram 4004 appeals strongly to vintage audio collectors and design fans. Its collectibility rating is 7/10, driven by:

Iconic design and engineering
Limited production run
Association with B&O’s golden era

Market Value (2024):

$300–$400: Units with functional issues, worn belts, or missing cartridges
$450–$600: Fully serviced, with working power supply and intact original cartridge

Units in original packaging with documentation command premium prices at auction or on design-focused resale markets.

Conclusion

The Bang & Olufsen BeoGram 4004 remains a testament to the fusion of form and function. More than just a turntable, it is a piece of audio history—engineered for precision, designed for eternity, and cherished by those who value both sound and sculpture. With proper care, it continues to deliver a listening experience that rivals modern high-end turntables, all within a timeless Scandinavian silhouette.