Bang and Olufsen Beogram 4004 5527

The Beogram 4004 Type 5527 is a tangential (linear tracking) turntable produced by Bang & Olufsen from 1978 to July 1980, primarily for the UK market. It shares its core design and technical features with other Beogram 4004 variants (Types 5525 and 5526), offering advanced automation and precise vinyl playback.

• Speeds: 33 and 45 rpm, electronically switched

• Speed Deviation: Less than 0.02%

• Speed Control Range: Greater than ±3%

• Tonearm: Tangential linear tracking with tracking error less than 0.04°

• Lift System: Electronic

• Antiskating: Parallel tracking, error angle compensated

• Motor: Servo-controlled DC motor

• Drive System: Belt drive

• Turntable Platter: 30 cm diameter, approximately 1.3 kg

• Pickup Cartridge: MMC 20 EN (Moving Micro Cross technology)

• Stylus: Elliptical naked diamond

• Recommended Stylus Pressure: 12 mN (1.2 g), range 0–1.5 g

• Wow and Flutter: Less than ±0.05%, WRMS less than ±0.025%

• Rumble: Weighted > 65 dB, unweighted > 45 dB

• Power Supply: Multi-voltage compatible (110–130 V and 220–240 V)

• Power Consumption: Approximately 20 W

• Dimensions (W x H x D): 49 x 10 x 38 cm

• Weight: Approximately 11 kg

Notable Features

• Fully automatic operation with record size detection, automatic speed selection, and pickup movement.

• Remote control capability when connected to compatible Bang & Olufsen receivers such as the Beomaster 2400, enabling start/stop via remote.

• The tangential tonearm moves the stylus in a straight line across the record, minimizing tracking error and record wear.

• The system detects the presence of a record before lowering the stylus, ensuring safe operation.

• The MMC 20 EN cartridge with its elliptical naked diamond stylus provides detailed and gentle playback.

• Hinged dust cover can be opened up to about 60 degrees or fully removed for easy access.