B&O BEOGRAM 1800

BeoGram 1800 (type 5811) 
Manufactured: 1984 - 1986
Designer: Jacob Jensen
Colours: Aluminium

Exceptional performance: a new type of arm with the splendid MMC5 elliptical diamond cell, the tray with large metal surfaces placed between thin strips of Nextell, guaranteed a high electrical capacity between the disc and the metal, effectively grounding the charges static without real contact.

Types: 5811, 5813, 5814, 5815
Bearing: Knife vertical, ball horizontal
Tracking force range: 0-20 mN/2g
Tracking error: 0.11 degrees/cm
Antiskating: Integrated in tone arm system
Arm friction vertical: 0.019 mN
Arm friction horizontal: 0.19mN
Arm length: 229mm
Wow & flutter DIN: <+/- 0.09%
Wow & flutter WRMS: <+/- 0.045%
Speeds: 33 - 45 rpm Rumble weighted: >62 dB
Rumble unweighted: >42 dB
Speed deviation: <+/- 0.1%
Drive system: electronic servo drive & belt
Motor: DC Tacho
Power supply: 180 - 265 (110) V
Pickup: MMC5
Power frequency: 60-60Hz
Power consumption: 8 watts
Dimensions WxHxD: 44 x 8,5 (37cm with lid raised) x 33cm
Weight: 6kg p