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Bang & Olufsen Beogram RX2 Type 5833 Record Player No Needle Working
End: 01.11. 2023 01:39:41 on Wednesday
- Condition: Used
- Price: 175.49 EUR
- Status: unsold
- Item number: 126074945475
- Seller: mr.pauls-sell*em_all (602|98.4%)
- Seller information: Commercial (with base shop)
- Item location: Westfield, New Jersey
- Ships to: US
- Shipping: 45,51 EUR
- on EBAY
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Description
Bang & Olufsen Beogram RX2 Type 5833 Turntable Record Player No Needle Working Condition: Pre-OwnedBrand: Bang & OlufsenModel: Beogram RX2 Type 5833 You are purchasing a pre-owned working Bang & Olufsen Beogram RX2 Type 5833 record player. Comes with the original direction booklet. Needs is a new needle - does not come with a cartridge/needle. See second image with video on the record player working. There is minor wear on the plastic case - see all photos. Two shipping options please select your preferred method. See all photos.
Bang & Olufsen Beogram RX2 Type 5833 Turntable record player
End: 22.10. 2023 15:42:21 on Sunday
- Condition: Used
- Price: 238.02 EUR
- Status: 5T 15:43:9
- Item number: 354932782707
- Seller: katcol-6669 (28|100.0%)
- Seller information: non commercial
- Item location: Ellicott City, Maryland
- Ships to: US
- Shipping: 154,81 EUR
- on EBAY
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Description
Great condition 1986 (approx) vintage turntable. Well cared for, barely used. Pet and smoke free home.
Bang & Olufsen Beogram RX2 Type 5831 Plattenspieler
End: 14.10. 2023 14:21:03 on Saturday
Bang&Olufsen: Beogram RX2 mit System B&O MMC 5 ,Vintage , sehr gut erhalten
End: 08.10. 2023 19:55:01 on Sunday
Bang & Olufsen Beogram RX2 Type 5831 Plattenspieler
End: 07.10. 2023 14:20:47 on Saturday
Bang & Olufsen Beogram Rx2 Type 5833 Turntable/Record Player Untested
End: 02.10. 2023 01:33:34 on Monday
- Condition: Used
- Price: 67.34 EUR
- Status: sold
- Item number: 404512359255
- Bids: 13
- Seller: seattlegoodwill (311466|98.9%)
- Seller information: Commercial (with base shop)
- Item location: Seattle, Washington
- Ships to: US
- Shipping: EUR
- on EBAY
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Description
DESCRIPTIONUseditem is untestedItem appears to be in a fine, used condition.for parts and repairBrand:Bang & OlufsenModel:beogram Rx2 type 5833Type:TurntableUPC:N/A ***Disclaimer*** All items were donated to Evergreen Goodwill of Northwest Washington with no history or provenance. The auction is for all items pictured. Items may need servicing and/or benefit from a cleaning upon arrival. Please see photos for additional details and feel free to ask questions. PAYMENTSPlease note that your entire order will be canceled by eBay if the oldest item exceeds 7 days without payment. Once an order is canceled, we are unable to re-invoice and the item will be relisted. For a combined shipping invoice, please send us one request within 5 days of winning the first item to avoid cancelation of your entire order. Once a combined invoice has been sent, we are unable to add additional items to the invoice. SHIPPING Local pickup is not available at this time. We offer combined shipping as long as items will ship safely together. Auctions must end within 5 days of each other to be eligible for combined shipping. Please hold off on payment until all auctions have ended then proceed to checkout. Please do not pay for any items individually if you wish to have them combined - they must be paid at the same time. Items listed for flat-rate shipping are not eligible for combined shipping. PO Box addresses will require USPS shipments as FedEx Ground will not deliver. If FedEx is selected we may need to invoice for additional shipping costs. INTERNATIONAL BIDDERS We ship to Canada, Europe, United Kingdom, Japan, and New Zealand.As of 9/3/2021 Australia has suspended international mail services using Priority Mail International, Express and First-Class USPS shipping. Until these restrictions are lifted, we are unable to ship to Australia.We do not ship to the following locations: Africa, South America, Central America, Mexico and Asia (except Japan). Please see the comprehensive list of countries we do not ship to under the Shipping and payments tab. Please note that we cannot accept payment from Singapore due to current PayPal regulations regarding foreign charity donations. APO addresses will require USPS shipments as FedEx ground will not deliver. If FedEx is selected we may need to invoice for additional shipping costs. Import duties, taxes and charges are not included in the item price or shipping charge. Those additional fees are the buyers responsibility. We do not mark merchandise values below the sale price or mark items as gifts as US and International government regulations prohibit such behavior.
Bang and Olufsen Beogram RX2 Turntable Record Player - No stylus/cartridge~Parts
End: 26.09. 2023 00:16:28 on Tuesday
- Condition: For parts or not working
- Price: 118.19 EUR
- Status: unsold
- Item number: 314734210722
- Seller: proart (4742|100.0%)
- Seller information: Commercial (with base shop)
- Item location: Marysville, Washington
- Ships to: US
- Shipping: 146,13 EUR
- on EBAY
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Description
Bang and Olufsen Beogram RX2 Turntable Record Player - No stylus/cartridge for Parts Non operational. No refunds or returns.
Bang & Olufsen Beogram RX2 Type 5833 Turntable Record Player
End: 11.09. 2023 01:59:04 on Monday
- Condition: Used
- Price: 238.16 EUR
- Status: unsold
- Item number: 134682433374
- Seller: bieu_do (966|98.7%)
- Seller information: non commercial
- Item location: San Jose, California
- Ships to: US
- Shipping: 174,2 EUR
- on EBAY
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Description
Bang & Olufsen Beogram RX2 Type 5833 Turntable Record Player Please see all the photos and video before you purchase Bellow is the YouTube link testing this player https://youtu.be/VlpqCSROf1U https://youtu.be/VlpqCSROf1U
Vintage Bang Olufsen Turntable Beogram RX2 w MMC 3 Pre Owned
End: 07.09. 2023 02:04:17 on Thursday
- Condition: Used
- Price: 236.13 EUR
- Status: sold
- Item number: 204445880243
- Bids: 2
- Seller: sarajays (2330|98.2%)
- Seller information: Commercial (with base shop)
- Item location: Las Vegas, Nevada
- Ships to: US
- Shipping: 50,32 EUR
- on EBAY
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Description
Up for sale is this Vintage Bang Olufsen Turntable Beogram RX 2 with MMC 3. It is in mint condition. Please email me with any questions. I will respond quickly.Thank you for looking.
Replacement Aluminum Platter Bang & Olufsen Beogram RX2 Type 5833 Record Player
End: 05.09. 2023 06:14:07 on Tuesday
Bang & Olufsen Beogram RX2 Type 5833 Turntable Working w/MMC5 Cartridge
End: 26.08. 2023 23:17:39 on Saturday
- Condition: Used
- Price: 304.94 EUR
- Status: sold
- Item number: 385845518913
- Seller: tishsara (1435|100.0%)
- Seller information: Commercial (with base shop)
- Item location: Rowley, Massachusetts
- Ships to: US
- Shipping: 125,81 EUR
- on EBAY
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Description
Hi, Up for sale a BANG &OLUFSEN record player as you can see it is in real nice shape, there are some scuff marks on the cover very hard to see, I tried to show them in the pictures but very hard to see, it comes with a MMC5 cartridge that is worth the price of this item, please look at all pictures and ask all questions before buying. Thanks
Bang&Olufsen: Beogram RX2 mit System B&O MMC 5 ,Vintage , sehr gut erhalten
End: 20.08. 2023 19:50:01 on Sunday
Vintage Bang Olufsen Turntable Beogram RX2 w MMC 3 Pre Owned
End: 13.08. 2023 21:35:49 on Sunday
Bang & Olufsen Beogram RX2 Type 5833 Record Player for parts
End: 08.08. 2023 17:48:32 on Tuesday
- Condition: Used
- Price: 23.33 EUR
- Status: sold
- Item number: 385788531650
- Seller: ricferr8488 (246|99.4%)
- Seller information: non commercial
- Item location: Nashville, Tennessee
- Ships to: US
- Shipping: 108,31 EUR
- on EBAY
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Description
Bang & Olufsen Beogram RX2 Type 5833 Record Player for partscosmetically rough,, top is badly cracked , it plays for a second in cue mode then shuts off, no cartridge included sold as is for parts
Bang & Olufsen Beogram RX2 Type 5833 Turntable Working w/Bent MMC3 Cartridge
End: 02.08. 2023 01:44:10 on Wednesday
- Condition: Used
- Price: 228.55 EUR
- Status: unsold
- Item number: 166246653133
- Seller: lray4053 (432|98.4%)
- Seller information: non commercial
- Item location: New York, New York
- Ships to: US
- Shipping: 74,47 EUR
- on EBAY
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Description
There are some scuff marks on the dust cover. The turntable is otherwise in great condition. Bang & Olufsen cartridge MMC3 has a bent needle but is still usable.
Bang & Olufsen Beogram RX2 Type 5833 Turntable w/MMC4 Cartridge Tested Working
End: 31.07. 2023 16:50:29 on Monday
- Condition: Used
- Price: 326.5 EUR
- Status: sold
- Item number: 166246317279
- Seller: meve_39 (288|100.0%)
- Seller information: Commercial (with base shop)
- Item location: Pikesville, Maryland
- Ships to: US
- Shipping: 77,52 EUR
- on EBAY
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Description
Bang & Olufsen Beogram RX2 Type 5833 Turntable w/MMC4 Cartridge Tested Working. Tested and working, please note the last 2 pictures which shows cracks. Does not affect use.
Bang and olufsen beogram rx2 type 5831 , in good working condition
End: 23.07. 2023 15:06:16 on Sunday
- Condition: Used
- Price: 176.02 EUR
- Status: unsold
- Item number: 195895567542
- Bids: 0
- Seller: mymagicgarden (960|99.0%)
- Seller information: non commercial
- Item location: Exeter
- Ships to: GB
- Shipping: 44,6 EUR
- on EBAY
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Description
Bang and olufsen beogram rx2 type 5831 , in good working condition. Comes with a good replacement stylus
Vintage Bang & Olufsen RX2 Turntable w/MCC4 Cartridge
End: 19.07. 2023 23:41:52 on Wednesday
- Condition: Used
- Price: 229.21 EUR
- Status: sold
- Item number: 195875755565
- Bids: 2
- Seller: retrodiggs (586|100.0%)
- Seller information: non commercial
- Item location: Levittown, New York
- Ships to: US
- Shipping: 127,15 EUR
- on EBAY
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Description
Sleek B&O turntable in excellent condition. Includes MCC4 cartridge that's sounds great. All functions work as they should. Speed is ???? accurate. Watch it performing on our YouTube channel called retrodiggs. Will be dismantled and packed in a brand-new box using multiple layers of large bubble wrap, styrofoam sheeting and/or styrofoam filler to ensure safe delivery. Album in photo not included. Consistently selling audio gear. Check out our other listings.
Bang and olufsen beogram rx2 type 5831 , in good working condition
End: 14.07. 2023 15:43:37 on Friday
- Condition: Used
- Price: 262.55 EUR
- Status: unsold
- Item number: 195851380432
- Seller: mymagicgarden (960|99.0%)
- Seller information: non commercial
- Item location: Exeter
- Ships to: GB
- Shipping: 49,84 EUR
- on EBAY
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Description
Bang and olufsen beogram rx2 type 5831 , in good working condition. Comes with a good replacement stylus
BANG OLUFSEN MMC2 Stylus Cartridge B&O Beogram 8002 7000, 6500, 5500 2000 RX2 RX
End: 14.07. 2023 11:13:24 on Friday
- Condition: Vom Verkäufer generell überholt
- Price: 546.55 EUR
- Status: unsold
- Item number: 266321185403
- Seller: musicuk (379|100.0%)
- Seller information: non commercial
- Item location: Herefordshire , United Kingdom
- Ships to: GB
- Shipping: 50,56 EUR
- on EBAY
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Description
Original Bang & Olufsen MMC2 Cartridge/StylusNewly refurbished Bang & Olufsen MMC2.Refurbished suspension with an original Bang & Olufsen nude multi-radial contact line diamond mounted on a sapphire tube cantilever.Tracking perfectly with 1gram vertical tracking forceMMC2 Specifications :Nude multi-radial Contact Line diamond mounted on a sapphire cantileverTracking force 1 gramNude Contact Line diamond stylusCantilever tube - sapphire Effective tip mass 0.3 mgCompliance mg/mN 30Frequency 20-20000 Hz=/-dB 1.5Channel separation 1000>dB 25Output mV/cm/s RMS 0.6Cartridge weight 1.6 grams Courtesy of Beoworld.orgMMC stands for Moving Micro-Cross; the patented moving-iron principle upon which all B&O cartridges were based. This unique system employed a cross-shaped armature which, among other advantages, guaranteed exceptional stereo separation since each channel moves on a separate axis.The job of any pickup cartridge is to transform the records physical profile (groove modulation) into corresponding electrical signals (which are then amplified or enlarged by the amplifier and turned into audible sound waves by the loudspeaker.A cartridge must perform three separate and exacting tasks if it is to do this job successfully. It must function mechanically (the movements of the stylus in the groove); it must function magnetically (using the physical movements to create changes in a magnetic field); and it must function electrically (using the changes in magnetic flux to generate an electrical current). At each stage, one type of energy is transferred into another, quite different, type. And the transfer must be perfect, with no energy lost and none added from extraneous sources.No cartridge will ever reach this ideal unless the Laws of Physics can be repealed. However, by understanding the relationships between the three transfer stages and continually applying refined engineering techniques, B&Os belief was that each stage of cartridge improvement would bring each successive cartridge closer to the ideal. Record wear and the cartridgeIf you take music seriously the value of your record collection is likely to be high. Many of your records are likely to be irreplaceable. You will also know that the signals pressed into your vinyl discs are very fragile indeed. The pickup cartridge can be the discs worse enemy since an ill-suited cartridge can mark a record for life in a single play.While B&O is aware that cartridge specifications are inter-related, their research shows consistently that Effective Tip Mass (ETM) is one of the major factors affecting record wear. ETM is the equivalent of the amount of inertia the groove sees in moving or accelerating the stylus tip. Consequently, the higher the ETM value, the higher the force required for a given constant acceleration. Obviously, more force results in more wear.Three elements contribute to ETM. The stylus tip (diamond) contributes with its entire weight and mass. The armature contributes between 5 - 20% of its weight and mass; the cantilever around 30%. B&O has been able to reduce ETM substantially by refining these elements and building them into an integrated unit. The result is a system which not only reduces damage to the groove walls dramatically, but also provides exceptional performance at all frequencies. Any questions just get in touch, Id be glad to help.
BANG OLUFSEN MMC4 Stylus Cartridge B&O Beogram 5500, TX2 RX2 1800 BeoCenter 2200
End: 14.07. 2023 11:13:24 on Friday
- Condition: Used
- Price: 325.14 EUR
- Status: unsold
- Item number: 266321185424
- Seller: musicuk (379|100.0%)
- Seller information: non commercial
- Item location: Herefordshire
- Ships to: GB
- Shipping: 43,82 EUR
- on EBAY
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Description
Original Bang & Olufsen MMC4 Cartridge/StylusUk stock ready for dispatch NOW Sounds greatChecked on a spectrum analyser, delicate, accurate and precise matching perfectly to its published specificationTracking perfectly with 1.2gram vertical tracking force MMC4 Specifications Description Titanium-bonded elliptical diamond, mounted on a tapered aluminium cantilever Tracking force - grams 1.2 Diamond Stylus Elliptical Cantilever tube. Tap. alum. . Effective tip mass mg 0,4 Compliance mg/mN 25 Frequency 20-20000 Hz=/-dB 2,5 Channel separation 1000>dB 22 Output mV/cm/s RMS 0,6 Cartridge weight gram 1,6 Courtesy of Beoworld.org MMC stands for Moving Micro-Cross; the patented moving-iron principle upon which all B&O cartridges were based. This unique system employed a cross-shaped armature which, among other advantages, guaranteed exceptional stereo separation since each channel moves on a separate axis. The job of any pickup cartridge is to transform the records physical profile (groove modulation) into corresponding electrical signals (which are then amplified or enlarged by the amplifier and turned into audible sound waves by the loudspeaker. A cartridge must perform three separate and exacting tasks if it is to do this job successfully. It must function mechanically (the movements of the stylus in the groove); it must function magnetically (using the physical movements to create changes in a magnetic field); and it must function electrically (using the changes in magnetic flux to generate an electrical current). At each stage, one type of energy is transferred into another, quite different, type. And the transfer must be perfect, with no energy lost and none added from extraneous sources.No cartridge will ever reach this ideal unless the Laws of Physics can be repealed. However, by understanding the relationships between the three transfer stages and continually applying refined engineering techniques, B&Os belief was that each stage of cartridge improvement would bring each successive cartridge closer to the ideal. Record wear and the cartridge If you take music seriously the value of your record collection is likely to be high. Many of your records are likely to be irreplaceable. You will also know that the signals pressed into your vinyl discs are very fragile indeed. The pickup cartridge can be the discs worse enemy since an ill-suited cartridge can mark a record for life in a single play. While B&O is aware that cartridge specifications are inter-related, their research shows consistently that Effective Tip Mass (ETM) is one of the major factors affecting record wear. ETM is the equivalent of the amount of inertia the groove sees in moving or accelerating the stylus tip. Consequently, the higher the ETM value, the higher the force required for a given constant acceleration. Obviously, more force results in more wear. Three elements contribute to ETM. The stylus tip (diamond) contributes with its entire weight and mass. The armature contributes between 5 - 20% of its weight and mass; the cantilever around 30%. B&O has been able to reduce ETM substantially by refining these elements and building them into an integrated unit. The result is a system which not only reduces damage to the groove walls dramatically, but also provides exceptional performance at all frequencies.
BANG OLUFSEN MMC4 Stylus Cartridge B&O Beogram 5005, 6002, 1800, RX, RX2, 7000,
End: 14.07. 2023 11:13:23 on Friday
- Condition: Used
- Price: 325.14 EUR
- Status: unsold
- Item number: 266321185431
- Seller: musicuk (379|100.0%)
- Seller information: non commercial
- Item location: Herefordshire
- Ships to: GB
- Shipping: 43,82 EUR
- on EBAY
-
Description
Original Bang & Olufsen MMC4 Cartridge/StylusUk StockSounds greatChecked on a spectrum analyser, delicate, accurate and precise matching perfectly to its published specificationTracking perfectly with 1.2gram vertical tracking force MMC4 Specifications Description Titanium-bonded elliptical diamond, mounted on a tapered aluminium cantilever Tracking force - grams 1.2 Diamond Stylus Elliptical Cantilever tube. Tap. alum. . Effective tip mass mg 0,4 Compliance mg/mN 25 Frequency 20-20000 Hz=/-dB 2,5 Channel separation 1000>dB 22 Output mV/cm/s RMS 0,6 Cartridge weight gram 1,6 Courtesy of Beoworld.org MMC stands for Moving Micro-Cross; the patented moving-iron principle upon which all B&O cartridges were based. This unique system employed a cross-shaped armature which, among other advantages, guaranteed exceptional stereo separation since each channel moves on a separate axis. The job of any pickup cartridge is to transform the records physical profile (groove modulation) into corresponding electrical signals (which are then amplified or enlarged by the amplifier and turned into audible sound waves by the loudspeaker. A cartridge must perform three separate and exacting tasks if it is to do this job successfully. It must function mechanically (the movements of the stylus in the groove); it must function magnetically (using the physical movements to create changes in a magnetic field); and it must function electrically (using the changes in magnetic flux to generate an electrical current). At each stage, one type of energy is transferred into another, quite different, type. And the transfer must be perfect, with no energy lost and none added from extraneous sources.No cartridge will ever reach this ideal unless the Laws of Physics can be repealed. However, by understanding the relationships between the three transfer stages and continually applying refined engineering techniques, B&Os belief was that each stage of cartridge improvement would bring each successive cartridge closer to the ideal. Record wear and the cartridge If you take music seriously the value of your record collection is likely to be high. Many of your records are likely to be irreplaceable. You will also know that the signals pressed into your vinyl discs are very fragile indeed. The pickup cartridge can be the discs worse enemy since an ill-suited cartridge can mark a record for life in a single play. While B&O is aware that cartridge specifications are inter-related, their research shows consistently that Effective Tip Mass (ETM) is one of the major factors affecting record wear. ETM is the equivalent of the amount of inertia the groove sees in moving or accelerating the stylus tip. Consequently, the higher the ETM value, the higher the force required for a given constant acceleration. Obviously, more force results in more wear. Three elements contribute to ETM. The stylus tip (diamond) contributes with its entire weight and mass. The armature contributes between 5 - 20% of its weight and mass; the cantilever around 30%. B&O has been able to reduce ETM substantially by refining these elements and building them into an integrated unit. The result is a system which not only reduces damage to the groove walls dramatically, but also provides exceptional performance at all frequencies.
BANG OLUFSEN MMC4 Stylus Cartridge B&O Beogram 5500, TX2 RX2 1800 Beocenter 7007
End: 14.07. 2023 11:13:23 on Friday
- Condition: Used
- Price: 325.14 EUR
- Status: unsold
- Item number: 266321185438
- Seller: musicuk (379|100.0%)
- Seller information: non commercial
- Item location: Herefordshire
- Ships to: GB
- Shipping: 43,82 EUR
- on EBAY
-
Description
Original Bang & Olufsen MMC4 Cartridge/StylusUk stock ready for dispatch NOW Sounds greatChecked on a spectrum analyser, delicate, accurate and precise matching perfectly to its published specificationTracking perfectly with 1.2gram vertical tracking force MMC4 Specifications Description Titanium-bonded elliptical diamond, mounted on a tapered aluminium cantilever Tracking force - grams 1.2 Diamond Stylus Elliptical Cantilever tube. Tap. alum. . Effective tip mass mg 0,4 Compliance mg/mN 25 Frequency 20-20000 Hz=/-dB 2,5 Channel separation 1000>dB 22 Output mV/cm/s RMS 0,6 Cartridge weight gram 1,6 Courtesy of Beoworld.org MMC stands for Moving Micro-Cross; the patented moving-iron principle upon which all B&O cartridges were based. This unique system employed a cross-shaped armature which, among other advantages, guaranteed exceptional stereo separation since each channel moves on a separate axis. The job of any pickup cartridge is to transform the records physical profile (groove modulation) into corresponding electrical signals (which are then amplified or enlarged by the amplifier and turned into audible sound waves by the loudspeaker. A cartridge must perform three separate and exacting tasks if it is to do this job successfully. It must function mechanically (the movements of the stylus in the groove); it must function magnetically (using the physical movements to create changes in a magnetic field); and it must function electrically (using the changes in magnetic flux to generate an electrical current). At each stage, one type of energy is transferred into another, quite different, type. And the transfer must be perfect, with no energy lost and none added from extraneous sources.No cartridge will ever reach this ideal unless the Laws of Physics can be repealed. However, by understanding the relationships between the three transfer stages and continually applying refined engineering techniques, B&Os belief was that each stage of cartridge improvement would bring each successive cartridge closer to the ideal. Record wear and the cartridge If you take music seriously the value of your record collection is likely to be high. Many of your records are likely to be irreplaceable. You will also know that the signals pressed into your vinyl discs are very fragile indeed. The pickup cartridge can be the discs worse enemy since an ill-suited cartridge can mark a record for life in a single play. While B&O is aware that cartridge specifications are inter-related, their research shows consistently that Effective Tip Mass (ETM) is one of the major factors affecting record wear. ETM is the equivalent of the amount of inertia the groove sees in moving or accelerating the stylus tip. Consequently, the higher the ETM value, the higher the force required for a given constant acceleration. Obviously, more force results in more wear. Three elements contribute to ETM. The stylus tip (diamond) contributes with its entire weight and mass. The armature contributes between 5 - 20% of its weight and mass; the cantilever around 30%. B&O has been able to reduce ETM substantially by refining these elements and building them into an integrated unit. The result is a system which not only reduces damage to the groove walls dramatically, but also provides exceptional performance at all frequencies.
BANG OLUFSEN MMC5 Stylus Cartridge B&O Beogram 5500, 1800, RX2, RX, 2000, 6500,
End: 14.07. 2023 11:13:22 on Friday
- Condition: Used
- Price: 301.83 EUR
- Status: unsold
- Item number: 266321185406
- Seller: musicuk (379|100.0%)
- Seller information: non commercial
- Item location: Herefordshire
- Ships to: GB
- Shipping: 43,1 EUR
- on EBAY
-
Description
Original Bang & Olufsen MMC5 Cartridge/StylusUk stock ready for dispatch NOW Sounds greatChecked on a spectrum analyser, delicate, accurate and precise matching perfectly to its published specificationTracking perfectly with 1.5gram vertical tracking force Courtesy of Beoworld.org MMC stands for Moving Micro-Cross; the patented moving-iron principle upon which all B&O cartridges were based. This unique system employed a cross-shaped armature which, among other advantages, guaranteed exceptional stereo separation since each channel moves on a separate axis. The job of any pickup cartridge is to transform the records physical profile (groove modulation) into corresponding electrical signals (which are then amplified or enlarged by the amplifier and turned into audible sound waves by the loudspeaker. A cartridge must perform three separate and exacting tasks if it is to do this job successfully. It must function mechanically (the movements of the stylus in the groove); it must function magnetically (using the physical movements to create changes in a magnetic field); and it must function electrically (using the changes in magnetic flux to generate an electrical current). At each stage, one type of energy is transferred into another, quite different, type. And the transfer must be perfect, with no energy lost and none added from extraneous sources.No cartridge will ever reach this ideal unless the Laws of Physics can be repealed. However, by understanding the relationships between the three transfer stages and continually applying refined engineering techniques, B&Os belief was that each stage of cartridge improvement would bring each successive cartridge closer to the ideal. Record wear and the cartridge If you take music seriously the value of your record collection is likely to be high. Many of your records are likely to be irreplaceable. You will also know that the signals pressed into your vinyl discs are very fragile indeed. The pickup cartridge can be the discs worse enemy since an ill-suited cartridge can mark a record for life in a single play. While B&O is aware that cartridge specifications are inter-related, their research shows consistently that Effective Tip Mass (ETM) is one of the major factors affecting record wear. ETM is the equivalent of the amount of inertia the groove sees in moving or accelerating the stylus tip. Consequently, the higher the ETM value, the higher the force required for a given constant acceleration. Obviously, more force results in more wear. Three elements contribute to ETM. The stylus tip (diamond) contributes with its entire weight and mass. The armature contributes between 5 - 20% of its weight and mass; the cantilever around 30%. B&O has been able to reduce ETM substantially by refining these elements and building them into an integrated unit. The result is a system which not only reduces damage to the groove walls dramatically, but also provides exceptional performance at all frequencies.
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