Bang & Olufsen MMC-5000 (1974–1980)
At just 4 grams, this featherweight cartridge was engineered to track quadraphonic vinyl with a Shibata tip and an ambitious frequency reach.
Overview
The Bang & Olufsen MMC-5000 isn't a cartridge for the casually curious—it's a precision instrument built during the high-water mark of analog experimentation. Released between 1974 and 1980, it arrived when quadraphonic sound was still a tantalizing promise, and high-end manufacturers were pushing the limits of vinyl playback. This is a true MMC (Moving Micro Cross) design,
Weighing only 4 grams, the MMC-5000 demands careful tonearm pairing—its low mass suits lightweight, high-compliance arms, but the 25 x 10⁻⁶ cm/dyne compliance suggests it’s not overly fussy within that range. It runs at a modest 1.5g tracking force, a value owners must respect to preserve both record and stylus. The aluminum alloy cantilever supports a Shibata-tipped stylus, known for its ability to trace high-frequency modulations deep in the groove, especially on CD-4 quadraphonic discs, which this cartridge is explicitly designed to handle.
Its frequency characteristic is rated at 20 Hz to 15 kHz ± 2 dB under standard conditions, though some documentation suggests a broader theoretical range of 15 Hz to 45 kHz—likely under ideal laboratory playback. Whether that upper extension translates to audible benefit on consumer gear remains undocumented, but the specification alone signals ambition. With 25dB channel separation at 1kHz and channel balance held within 1.5 dB, it meets the tight tolerances required for discrete four-channel playback, where imaging stability and crosstalk control are critical. The 3mV output at 5cm/sec is standard for a high-output MMC, making it compatible with most MM phono stages when loaded to the specified 47k Ω impedance.
Specifications
| Manufacturer | Bang & Olufsen |
| Type | MMC Cartridge |
| Frequency characteristic | 20 Hz to 15 kHz ± 2 dB |
| Needle tip | Shibata |
| Stylus Diameter | CD-4 |
| Proper needle pressure | 1.5g |
| Channel separation | 25dB (1kHz) |
| Channel balance | Within 1.5 dB |
| Compliance | 25 x 10^-6 cm/dyne |
| Vertical tracking angle | 20° |
| Output voltage | 3mV (5cm/sec) |
| Load impedance | 47k Ω |
| Dead weight | 4g |
| Cantilever | Aluminum alloy |
| Exchange needle | Replace with new (price unknown) |
Collectibility & Value
The MMC-5000 occupies a niche within a niche: quadraphonic vinyl playback. Its original price was reportedly around 249 DM, a premium figure for the mid-1970s, reflecting its advanced engineering. Today, market value is wildly inconsistent. One dealer lists a unit at €750.00, presumably for a tested, complete example. Yet at the same time, an auction shows a current bid of just €2—suggesting condition, provenance, and buyer awareness drastically influence price. The stylus is replaceable, though the cost of a new one is unknown, and sourcing original parts may prove difficult. With no documented common failures or maintenance quirks, long-term reliability remains an open question. Collectors seeking functional quad playback systems may find it essential; others may view it as a curiosity with limited utility.
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