BeoGram Record Decks
Bang & Olufsen BeoGram 5005
This good-looking tangential record player had a unique tone arm suspension system among its many outstanding features. Optimum Pivot Point (OPP) was designed by Bang & Olufsen to give you the most faithful possible sound reproduction. The pendulum suspension isolated all vibration at the back of the tone arm so that the sensitive stylus tip was completely unaffected. It also had electronic Servo-drive and was fitted with the MMC 4 cartridge. The stylus pressure was 1,2g.
Facilities: search function - backwards and forwards; repeat playing of records; Datalink for connection to Beosystems.
This was the first of the lightweight tangential decks which were to become the mainstay of the Beogram range. The expensive tangential drive system of the 8000 was dropped and even the tangential arm mechanism was considerably simplified. They did however look the part and allowed far more control using a remote than the earlier radial 5000. Many owners of Beomaster 5000s 'upgraded' their systems with this deck but would miss the overhead light built into the lid of the 5000 and, dare one say it, possibly lose some sound quality.
Bang & Olufsen BeoGram 5500
If you wanted to treasure your record collection, you couldn't do it better than with Beogram 5500.
The electronically-controlled tangential arm played the record at the exact angle that the original master was cut. This allowed the ultra-sensitive MMC 4 pick-up to give the most precise possible reading of the signals in the groove. And with a stylus pressure of only 1,2g, this extraordinarily gentle touch added years to the life of your precious records.
Beogram 5500 was a tough customer though; dancing feet wouldn't shake it up, courtesy of the special chassis suspension and short, rigid tone arm. You also could enjoy features such as the automatic registration of record size and speed; plus full track search and record repeat facilities, via the Master Control Panel.
Beogram 5500 was aesthetically balanced to match the rest of the components within Beosystem 5500 and could be controlled with the rest of the system through Master Control Panel 5500.
The 5500 was essentially exactly the same as the 5005 but re-badged to match the Beosystem 5500. As befitted what was regarded at this time as the midrange system, it sported an MMC4 cartridge.
Bang & Olufsen BeoGram 6500
If you built up an LP Collection of good music to conjure up wonderful memories, you obviously would have wanted to enjoy it for many years to come. Which is why Bang & Olufsen put so much effort into Beogram 6500.
It was a superb, precision instrument that ensured perfect sound reproduction of your records. The electronically-controlled tangential arm played the record exactly as it was recorded.
The tone arm was suspended in a special Optimum Pivot Point system that prevented vibrations from reaching the MMC2 cartridge which has a stylus pressure of only 1g for minimal friction. And Bang & Olufsen's special chassis suspension prevented external vibrations from reaching the platter. And Beogram 6500 automatically registered the size of the record you were playing and adjusted the speed accordingly.
The BeoGram 6500 also contained an inbuilt RIAA pre-amplifier, which essentially means you can just "plug in and play" with any modern B&O system through an AUX or similar socket - making this a very desirable deck! Of course as part of the Beosystem 6500, it was part of the top of the line system comprising in addition, the BeoMaster 6500, BeoCord 6500, BeoGram CD6500 and MCP-6500.
Bang & Olufsen BeoGram 7000
Like many Bang & Olufsen turntables, Beogram 7000 was designed with a tangential arm, which ensured optimal playing of the record. It also came equipped with the patented OPP system (Optimal Pivot Point), so that the pick-up - MMC2 - was not disturbed by vibrations.
Fully automatic and remote controlled via Beolink 7000
Integrated MMC 2 pickup cartridge (when supplied new)
Tangential tonearm with OPP (Optimum Pivot Point)
Pendulum suspended sub-chassis
Built-in RIAA amplifier
By the mid-1990s the CD had rapidly become a replacement for the black vinyl record with many new albums released only in the CD format. This is why Bang & Olufsen ceased production of its record decks, with Beogram 7000 being the last in a very long line of high quality turntables. However, even today the vinyl format is alive, as so many treasured record collections were originally based on the vinyl format in its heyday, with many more of the more esoteric albums still awaiting CD reissue. The requirements that have to be met by a record player have become threefold:
"The preservation of precious vinyl records in as perfect a condition as possible
The ability to pick up information from the grooves and reproduce them faithfully
The operation must be made as similar to the other sources in a system as possible."
Beogram 7000 met and exceeded all these requirements. The MMC2 pick-up cartridge weighed only 1,6g - the lowest own weight of any pick-up cartridge - and had a very high compliance and low effective tip mass. The result was a very good tracking ability with little record wear and in combination with the contact line nude diamond the optimal contact with the groove walls was ensured - to pick up the full music information. The MMC principle - Moving Micro Cross - gave a high channel separation, especially in the bass range, a low distortion and very little channel difference, which are all elements that significantly contribute to the achieved sound quality.
The MMC cartridge was mounted in a tangential tonearm, which eliminated tracking errors. The unique Optimum Pivot Point and the pendulum suspended sub-chassis made the reproduction virtually immune to vibrations from the outside.
The tonearm's axis for horizontal movement was positioned behind the vertical axis and thus behind the tonearm's centre of gravity. If the pivot point for horizontal movements vibrated, the rear part of the arm with the counterweight also vibrated, whereas the stylus remained still, because it was in the centre of the vibrations. The MMC was completely integrated with the tonearm and the low weight of the cartridge meant that the tonearm resonance could be optimised to the ideal value of 10 - 15Hz.
The pendulum suspension efficiently insulated the inner chassis with tonearm and platter from the outer cabinet to prevent vibrations to affect playback. The suspension consisted of three pendulums and leafsprings and gave the inner chassis an inherent resonance of 5 - 6 Hz.
Operation of Beogram 7000 was via Beolink 7000. The turntable automatically determined record size and selected playback speed accordingly (33 or 45 rpm.). If no record was registered, playback did not begin. It was only possible to lower the pick-up cartridge if there was a record on the platter. When you operated Beogram 7000 from Beolink 7000 you could not by accident lower the stylus outside of the record surface. By preventing unauthorised operation of Beogram 7000, Bang & Olufsen gave priority to both the preservation of the pick-up cartridge and the vinyl records. Beogram 7000 could ideally, be used as part of Beosystem 7000.
Bang & Olufsen BeoGram 3500
Another incarnation of the lightweight B&O tangential turntable, this one was designed to match the Beomaster 3500 and was supplied with an MMC4 cartridge. A RIAA was built into this model.
Bang & Olufsen BeoGram 4500
In building the Beogram 4500 turntable, Bang & Olufsen applied all its classic principles to ensure reproduction as close to perfection as possible.
The electronically-controlled tangential arm played each record exactly as it was recorded. And there were built-in systems that helped prevent vibrations reaching the cartridge or turntable. Beogram 4500 employed a finer, ultra-light MMC2 cartridge that combined distinguished sound reproduction with maximum protection for your records.
Beogram 4500 could be used as part of the Beosystem 4500 hi-fi system, and - having an inbuilt RIAA pre-amplifier can be plugged straight into the AUX port of your modern B&O equipment and enjoyed with the minimum of fuss!