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Location: Glen Rock, New Jersey
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Item: 296698203304
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Bang & Olufsen:Bang & Olufsen
MPN:Beogram 6500
Beogram 6500:Beogram 6500
Bang & Olufsen Beogram 6500 Complete System Bang & Olufsen Beogram 6500 Complete System General: This is a rare and complete Bang & Olufsen HiFi setup straight from late 1980’s and early 1990’s. It includes a CD Player, Receiver, Cassette Deck, Turntable, Remote and connecting cables. It has an amazing design, especially when the components are separated horizontally. Plus it features a super cool power loading drawer cassette deck. This set is working well and is a perfect addition for any B&O collector. All components were lightly serviced, received new belts (where applicable), and underwent a thorough cleaning and lubrication. The turntable looks like it was never uséd and actually still has the protective plastic on the cover. The cartridge is a superb MMC4 showing no signs of use after careful inspection under our shop microscope. The Master Control Remote is super interesting with 2-way feedback for volume and time, along with a large well-lit display. There are buttons for just about everything! This listing includes: • Beomaster 6500 (Receiver) • Beogram CD 6500 (CD Player) • Beocord 6500 (Cassette Deck) • Beogram RX-2 (Turntable) • Master Control Panel 6500 (Remote) SkyFi Cosmetic Notes: The components have some marks on the front panels and some surface scratches. Presentable condition overall. Brand Background: Bang & Olufsen (B&O) is a Danish high-end consumer electronics company that designs and manufactures audio products, television sets, and telephones. It was founded in 1925 by Peter Bang and Svend Olufsen, who designed a radio to work with alternating current, a product of significance at a time when most radios were still running on batteries. Ownership: Single Owner Connections: B&O style DIN connectors General Sound: Smooth, uncolored, undistorted natural and clean Cosmetic Condition: 6/10 = Fair. Three to four minor scratches, or one major scratch. See our detailed rating description here. Working Condition: Working perfectly and tested on our bench with both CD and DVD. XLR and RCA working as they should. Included: Exactly as pictured and described above. Packing: Will be packed using our highly developed in-house process and custom packing materials.Weight: 60 lbs. Approximate Age: 1989Testing Process – Stereo Receivers:We start with a visual inspection of all internal components to make sure that there are no signs of heat stress or damage. Capacitors are checked for telltale signs of predictive failure including bulging, shrunken wrappers, or physical leakage. We also inspect the PCBs for discoloration from resistors or transistors that may have been running hot. On vintage units we often spot check select capacitors for value and ESR. If the device has the ability to decouple the preamplifier from the power amplifier, we remove the jumpers and independently test each section. If the device cannot be decoupled, we assess the electronic condition of the piece by analyzing the speaker level output only. We start by connecting the “preout” jacks of the receiver to a Sencore PA81 Power Analyzer which simulates real world loading conditions and gives us an oscilloscope interface. The first order of business is checking that the volume control works smoothly throughout its entire range with acceptable channel balance. This is accomplished by feeding a 1KHz sine wave into one of the preamp’s line level inputs while monitoring the preamp’s output on an oscilloscope. We then switch to a 1KHz square wave to test the tone controls, loudness function, and filters where applicable. During this step we are watching for equal alteration of the test signal by both channels. This also helps us identify dirty controls that will need treatment. Once the basic line stage functions are verified, we test each input individually. This is especially important for devices that use relays to select their sources. If the preamp section is equipped with a phono stage we test that as well. We use an inverse RIAA filter which allows us to feed a reference test signal into the phono input with the proper RIAA equalization and level. A square wave or sine sweep is uséd to verify that the device’s phono stage is faithfully reproducing the RIAA curve. To test the tuner, we connect one of the tape outputs to the Sencore PA81 and the antenna terminals to a Sencore SG80 which allows us to “simulate” an ideal radio station using precision test signals instead of music. This device, in conjunction with an oscilloscope allows us to properly evaluate the following parameters: 7. AM Reception (Where Applicable)8. FM Mono Reception & Tuning Meter Function9. FM MPX Reception (Stereo)10. Dial Tracking – How accurately the tuner dial or display indicates the actual frequency of the broadcast being received.11. Stereo Separation – A properly working stereo tuner will have minimal crosstalk between the left and right channel.12. Sensitivity & Signal Strength Meter Function – By lowering the output of the SG80 we can simulate weak stations and determine how well the tuner will be able to pull in weak distant stations. This adjustment also helps us verify signal strength meter function. If the tuner has acceptable performance related to the parameters above, we connect the unit for listening tests with a simple dipole antenna. We listen for audio reproduction quality of local stations and evaluate how many stations the tuner can receive while we sweep through the dial. We are looking to verify that the tuner can decode stereo on strong local broadcasts and pick up a wide variety of local stations at the bottom, middle, and top of the frequency band. At this point we also test convenience features such as muting, filters, built in oscilloscope function, etc. Next, we test the power amplifier section by connecting the receiver’s speaker outputs to a Sencore PA81 Power Analyzer which acts as a dummy load, DC offset monitor, and oscilloscope interface. We start with a low level 1KHz test signal at the “main in” jacks and slowly increase its amplitude while monitoring the output on an oscilloscope for signs of noise, clipping, distortion, or improper channel balance. We continue increasing the signal level until the amplifier reaches clipping. At this point we take an output power measurement and compare it to the spec sheet of the amplifier to verify proper performance.We finish off the bench evaluation with a 1KHz square wave check and a 20Hz to 20KHz sine sweep to assess the amplifier’s frequency response characteristics. This battery of tests will usually reveal if the amplifier has any issues that need further attention. If the preamp and power amp both pass these tests, we reconnect the sections and verify that the preamp section can drive the power amp to rated power with a 1KHz tone on one of the line level inputs. Before the device leaves the bench, we perform a listening test with actual music using a variety of preferred test tracks. Our benches are outfitted with familiar monitor speakers which help us identify inconsistencies that will not always show up on our test gear. The main things that we are listening for are hum or noise with no signal present, proper center image, clicks, pops, or any other obvious undesirable audio characteristics. If the unit passes all of these tests it is moved to our long term testing rig where we simulate real word operating conditions for 6-8 hours. This allows us to monitor the unit for signs of thermal runaway or intermittent issues that only crop up when the unit has fully come up to temperature. Testing Process – Tape Decks: First steps are performed to determine if the unit is a candidate for our full restoration process, or if it’s just in need of a light service. We perform a basic functionality test to ensure proper playback, fast forward, and rewind. We look for smooth operation of the motors, transport engagement, and associated rolling parts. We then do an internal physical inspection to ensure the belts and rubber consumable parts are up to spec. Internal components are checked to make sure there are no signs of heat stress or damage, particularly in the power supply section. Capacitors are checked for telltale signs of predictive failure including bulging, shrunken wrappers, or physical leakage. We also inspect the PCBs for discoloration from resistors or transistors that may have been running hot. On vintage units we often spot check select capacitors for value and ESR. A light service will involve replacement of belts and rollers, external cleaning of heads, mechanism and boards, and basic record and playback tests. A full restoration will often include disassembly of the drive system and replacement of all consumable and wearable parts including pinch rollers, belts, brakes, and bearings. We then clean, lubricate, and re-assemble the drive and perform basic mechanical alignment to ensure proper tape path and head alignment. Final calibration will involve adjustment of the playback, erase, and record heads, along with optimization of the bias for a specific tape type. We do this with the aid of a Sound Technology 1510A tape deck analyzer plus a Nakamichi T-100 Audio Analyzer with reference calibration tapes. Final listening tests are performed while monitoring with our reference Grado HP-1 headphones and a variety of factory and custom reference recordings We find that there is no better system for critical listening on tapes than with headphones, especially when comparing a live feed to a recorded feed. Testing Process – CD Players: We start with a visual inspection of all internal components to make sure that there are no signs of heat stress or damage. Capacitors are checked for telltale signs of predictive failure including bulging, shrunken wrappers, or physical leakage. We also inspect resistors and other passive components for signs of overheating. When the unit is first powered on we check the drawer mechanism function. After the visual inspection we connect the CD Player RCA outputs to our Sencore PA81 Power Analyzer which simulates a real world input impedance and allows us to monitor the output on an oscilloscope. We start with a test CD with precision test signals to verify proper output on both channels. If the CD player has balanced outputs these are also tested at this time. If this check passes, we move onto evaluation with actual music CDs. We listen for clicks, skips, and drops during playback. At this time we also check the transport functions including Play, Pause, Stop, Repeat Track, Next Track, Previous Track, Fast Forward, Rewind, and programming if applicable. If the unit has a remote control, all remote control functions are verified. If the CD player is capable of SACD playback we test its ability to read SACD layers on multiple discs including standard and hybrid SACD’s. At this time we also check the unit’s digital outputs where applicable. If SACD layers are being properly read we should see the digital outputs mute during playback. On redbook CD playback we verify that each digital output maintains proper lock on our bench DAC. After bench testing is completed, CD players are set up for testing on our long term test rig. During extended testing we make sure that unit can play through several different discs from beginning to end with no skips or lockups. Testing Process – Turntables: First we try to identify any mechanical issues, particularly in the tonearm bearings. We check for freedom of movement or any resistance on both the horizontal and vertical range. There is a quick test for this which involves placing the table on its front edge and allowing the arm to swing freely like a pendulum. We then make any adjustments necessary to achieve minimal resistance and sometimes adjust the bearing pressure. On gimbal tonearms we inspect the cone tip with a magnifier. We then assess the platter speed using one of several methods, the most accurate being playing a test tone on a test record and measuring the frequency output with a frequency counter or oscilloscope. We also utilize test equipment to measure the wow and flutter to ensure it is within spec. We do this for all speeds available for that particular model (33 RPM, 45 RPM, 78 RPM). Adjustments are then made to achieve proper speed which will vary depending on the turntable’s drive design. Some require an adjustment of an internal or external potentiometer, some will require a pulley or motor adjustment. We also inspect the platter bearing to ensure it is properly lubricated, keeping in mind that some bearings don’t require lubrication at all We then inspect the power supply and address any issues with overworked capacitors, particularly on Linn and later Thorens machines which tend to need attention. On fully mechanical vintage tables like the Thorens TD-124 and Garrard 301/401 we will go thought the entire mechanism. Then replace any worn parts and lubricate all components necessary to ensure smooth operation, speed change, and low mechanical noise. When fitting a new phono cartridge we will go through our detailed calibration process which can involve as many as 12 steps depending on the tonearm design. We perform this work on our custom turntable calibration rig which was developed in-house. Some of these steps include: • Pivot to Spindle Adjustment • Tracing Force • Anti-Skate • Tonearm Height • Lifter Height • VTA (Vertical Tracking Angle) • Azimuth • Stylus Distance and Overhang We then do a critical listening test using our test records and our test system to ensure proper sonics. The SkyFi Testing Process for Cables: Cables are generally pretty simple and do not require a great deal of testing. We do, however, perform a visual inspection of all of the connectors for damage or significant wear. Most power and interconnect cables can be verified with a simple continuity test with a digital multimeter. Some cables feature dielectric bias systems which are powered by external power supplies or batteries. These devices are checked for proper function where applicable. We do not perform A/B comparisons of cables in real world conditions and cannot offer objective observations in this regard. ———- SkyFi Audio – Curators of Vintage Audio Gear SkyFi Audio is a small startup business specializing in the purchase, reconditioning, and reselling of high end audio equipment. We only buy equipment that we admire and are passionate about. No mid-fi, no gimmicks, no junk. Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. If it does not meet or exceed the original manufactures specifications, it will not be sold. We are very selective about the equipment we purchase, focusing on mostly analog, high-build quality, American, and European built units. Please note we are not a repair shop and only restore what we own. ———- PURCHASING GUIDELINES: 1) This item will be professionally packaged and insured for safe transit to your home unless you opt for local pickup from our shop. All local pickup items are only wrapped in industrial strength clear stretch wrap if the original manufacturer packaging is unavailable. Local pickup is available in Glen Rock, NJ, 07452, just a half hour drive from Midtown Manhattan, with convenient parking near our building. If we don’t have the original packaging, we use heavy-duty double-ply corrugated boxes with custom made to your item SealedAir Instapak expanding foam custom inserts. In many cases this has proven to be better than the original packaging! We also use high quality fiber reinforced tape to seal our packages. Lightweight items will be bubble wrapped and shipped in a high-quality box. 2) We will not review or accept any offers that do not go through the official eBay system. We have too many items for sale and it’s nearly impossible to keep track of offers outside of the official system. Please do not message, email, or text any offers. 3) All listings are eligible for the eBay Global Shipping Program unless the item exceeds the maximum weight/price requirements to your country. If this is the case simply message us via eBay. We only accept bank wire transfers for international payments and frequently ship worldwide via UPS. 4) Please ensure your shipping address is correct within eBay as we will ONLY ship to the eBay/PayPal Confirmed Shipping Address. No exceptions. 5) eBay may charge and collect sales tax to your state/jurisdiction which we have no control over. eBay v1.8 × × × × × × × × × × × × × × × × × × × × × × × × × × × × × Buy now and save! Tell a friend Visit store Watch now Postage info UPS Ground – $0.00 Local Pickup – $0.00 Click the Postage tab above the listing description for more info Additional delivery notes PICK UP OPTION Our items are available for pick-up. Pick up procedure is as follows: Purchase the item through eBay Email us to coordinate pickup PAYING VIA PAYPAL We accept PayPal on our all our items so you can shop with confidence. Simple choose the PayPal option when proceeding through the checkout. Additional Information No additional information at this time Ask seller a question You might also like Dynavector 10×3 High-Output MC Phono Cartridge Music Reference RM-5 MK II Tube Preamplifier with Phono WyWires Silver Series Phono Interconnects – 5 Pin DIN w/ XLR Connectors – 4ft Music Reference RM-9 Tube Amplifier With EL34’s Contact To contact our Customer Service Team, simply click the button here and our Customer Service team will be happy to assist. Ask seller a question © SkyFi Audio Postage Click the Postage tab above the listing description for more info Payment Accepted Payment Methods PayPal Returns Returns are not accepted Seller will pay for return shipping. eBay integration by
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