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6 stk KEF Lautsprecher Chassis mit je 2 Wege Weiche.
Versand in ausgebauten Zustand möglich.
Keine defekte. Guter Zustand.
Nur wenig Gebrauch Spuren.
B 139 in passiv Membran !
8 Zoll Bass. Original KEF Weiche.
Selbst abholen der kompletten Boxen auch möglich
Privat Verkauf
Bezahlung über KA bezahl System, oder Barzahlung bei Abholung. PayPal NUR und ausschließlich für Freunde/Familie und ohne Gebühren.
Should you grab this KEF B139 at €75, or is it a trap? At €75, this asking price sits firmly in the bargain zone for used KEF B139 drivers, well below the typical €90–€130 range and certainly under the 25th percentile of recent listings where many hit €100+. You’re getting a genuine piece of hi-fi history for less than most pay for generic replacements.
The B139 is a legendary 13cm mid-bass driver from KEF’s golden era, prized for its tight punch, low distortion, and ability to pair beautifully with KEF’s iconic Uni-Q tweeters in classic designs like the R100 or C100. It’s a high-upside buy for restorers or DIY builders seeking authentic KEF tone without the modern markup. Unless the listing hides a cracked frame or torn surround, this is a clear buying opportunity at a price that rewards caution only if the condition is truly unknown—not if it’s just untested.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
KEF traces its roots to 1961, when British engineer Raymond Cooke founded the company in a modest Nissen hut on the grounds of the Kent Engineering and Foundry in Maidstone, England. A former BBC engineer and Wharfedale veteran, Cooke was driven by a passion for music and a commitment to technological innovation, aiming to reproduce sound as faithfully as the original performance. From its inception, KEF pioneered materials like foil-stiffened polystyrene diaphragms and Melinex tweeters in its debut K1 loudspeaker, setting a benchmark for engineering precision that propelled the brand to early acclaim.
KEF has long specialized in loudspeakers, establishing itself as a leader with iconic innovations such as the Uni-Q coaxial driver and computer-aided design techniques that revolutionized driver and enclosure development. While drive units supplied to other manufacturers fueled its growth, the brand's core output remains high-fidelity speakers across categories like floorstanders, bookshelves, and home theater systems, including early THX-approved setups. Active wireless models and reference-grade series extend its portfolio, though it eschews amplifiers, turntables, DACs, headphones, or cables.
Renowned for its science-driven heritage, KEF occupies a premium position in the hi-fi market, blending accessible high-end performance with cutting-edge technology. Collectors prize vintage BBC monitors and Bextrene-driver classics, while modern buyers seek its precise, natural soundstaging. Decades of awards affirm KEF's status as a respected innovator, appealing to discerning audiophiles who value engineering over hype.
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