Multicare, Author at Beoworld

Posted on April 27, 2024September 17, 2024 by Multicare

BeoGram 1902

Beogram 1902 was a newly developed (1979/80) fully automatic, hi-fi stereo record player with Electronic Servo Drive (ESD) which meant that you never had to adjust speed. The Beogram 1902 did that automatically. It was resistant to variations in the mains current.

Details

Specification

Documents

FAQs

All functions were chosen via the single rectangular operating panel; Beogram 1902 did the rest. It was resistant to vibrations and shock because it rotatory mechanism and pickup arm had an efficient spring suspension. The pickup was so light that even warped records could be tracked. In fact, the arm was so light and the pickup’s diamond stylus so highly polished that it would not audibly damage your record even if the arm was thrown against the grooves.

The cartridge was the MMC 4000 which had a naked elliptical stylus. Recommended stylus pressure was 1,0g and frequency range was 20 – 25000 Hz.

Mounting Options

Bang & Olufsen’s preferred supplier for brackets and stands, STBbrackets, have made a wall mount solution as a general option for Bang & Olufsen Turntables. Distributed throughout the World by the Bang & Olufsen store network, the STB option adds to the diversity of mounting options and positions available.

»Wall Mounting Bracket

Wall Bracket / Shelf for BeoGram

A universal shelf that will support all Bang & Olufsen turntables from the past 30 years. Including three cable entry points to allow you to bring cables from below the shelf or through the wall.

BeoGram 1902 Product Details

Type Numbers

5711 (1977 – Dec 1978)
5718 (F) (1977 – Sept 1978)

Designer

Jacob Jensen

Manufactured

1977 – 1978

Colour Options

Rosewood, Teak, White, Oak

BeoGram 1902 Product Specification

Sound system Stereo, matrix
Output DIN 8.5 mV /47 kohms
Speeds 33 – 45

Tonearm: radial
Stylus pressure range 0 – 2 g

Automatic record-size: Yes, 17 and 30 cm
Automatic pickup movement Yes
Automatic speed selection Yes

Pickup: MMC 4000
Recommended stylus pressure: 1 g
Stylus: elliptical naked diamond
Radius of curvature: 5 x 17 µm

Wow and flutter, DIN: < +/- 0.06 %
Rumble DIN unweighted: > 43 dB
Rumble DIN weighted: > 63 dB
Speed deviation: < 0.05 %
Speed control range: > +/- 3 %

Tracking error: 0.126°
Lift system: mechanical
Antiskating: Yes, automatic

Motor: Servo controlled DC
Drive system Flat belt

Turntable: 30 cm / 0.8 kg

Power supply: 220 (110 – 130 – 240) V
Power consumption 8 W

Dimensions: 44 x 8.5 x 33cm
Weight 6 kg

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Available documents are listed, if none are listed then please reach out to see if we have them.

Type	Language	Type
User Guide	EN	BeoGram 1902 User Guide	View label
Service Manual	EN	BeoGram 1902 Service Manual	View label

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Posted on April 27, 2024September 17, 2024 by Multicare

BeoGram 1800 (1984)

This radial-tracking deck combined ease of operation with superb performance specifications. It featured a new, advanced type of tone arm carrying the remarkable MMC5 pick-up with its unframed, elliptical diamond stylus. The platter was of a lightweight design (400 grams) to reduce torque at starting.

Details

Specification

Documents

FAQs

Its carefully milled profile, with large metal surfaces set between slim bands of Nextell, ensured high electrical capacitance between the record and the metal, effectively earthing static charges without actual contact. It was driven by a flat rubber belt from a tacho-controlled DC motor. The belt’s compliance acted as a mechanical filter, preventing motor vibrations from reaching the record and stylus.

To complement this improved arm/cartridge combination Beogram 1800 had a new faster-acting movement control system with separate cam wheels for vertical and horizontal arm movement, so that automatic operation gave you music within a very few seconds. So cueing was really fast, but still careful of your records.

For improved record safety, you could operate normal PLAY and STOP functions while the lid was closed. Just one touch – the rest was automatic. Record size and speed was identified by the Beogram’s logic circuits. Beogram 1800’s slim plinth had a brushed aluminium finish.

Opening the lid gave access to three further function controls: CUE, 33 and 45 speed overrides (for non-standard discs).

Beogram 1800 was designed by Jacob Jensen and at the 1969 Hanover Fair Bang & Olufsen and Jacob Jensen were presented with the iF award for no less than 4 products for ‘outstanding industrial design’ including Beogram 1800.

Types: 5811 (1984 – Aug 1984); USA 5813 (1984 – Feb 1986)

These are probably the slimmest looking record player available. Quite a bit of this is down to clever visual tricks and surprisingly, the decks related to this model all looked thicker. It sold well and may were bought to work with non B&O systems. It shared the excellent suspension of its predecessors and had the new cartridge mounting. Now available for little money, this is a superb sounding deck. Highly recommended.

Mounting Options

»Wall Mounting Bracket

Wall Bracket / Shelf for BeoGram

A universal shelf that will support all Bang & Olufsen turntables from the past 30 years. Including three cable entry points to allow you to bring cables from below the shelf or through the wall.