KEF Kube 8b - Black
- Condition
- Excellent
- Location
- US
- Source
- Reverb
- Posted
- 7 Apr 2026
- Last seen
- 2d ago
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
ENGLISHKEF Kube 8b Active Subwoofer – Black – Excellent ConditionDescription:Selling a KEF Kube 8b active subwoofer in black finish.This is a compact yet powerful subwoofer featuring a built-in 300W amplifier and an 8” driver, designed to deliver deep, tight, and controlled bass. Ideal for hi-fi systems, home studios, or home cinema setups.Condition:Excellent conditionLight signs of useFully functional, no technical issuesIncluded:Original boxUser manualPower cableRCA cable (as shown in photos)Specifications (highlights):Driver: 8”Amplifier power: 300WFrequency response: approx. 34Hz – 140HzAdjustable crossover, phase and EQLine input (RCA) + speaker level inputDesigned and engineered in the UKSound performance:Delivers deep and punchy bass with excellent control. Perfect for enhancing low-end response in music production, hi-fi listening, or home cinema systems.ITALIANOSubwoofer attivo KEF Kube 8b – Nero – Condizioni eccellentiDescrizione:Vendo subwoofer attivo KEF Kube 8b colore nero.Sub compatto ma molto potente, dotato di amplificatore integrato da 300W e woofer da 8”, progettato per offrire bassi profondi, precisi e controllati. Ideale per impianti hi-fi, studio di registrazione o home cinema.Condizioni:Condizioni eccellentiLievissimi segni d’usoPerfettamente funzionanteIncluso nella vendita:Scatola originaleManuale utenteCavo di alimentazioneCavo RCA (come da foto)Specifiche principali:Woofer: 8”Potenza amplificatore: 300WRisposta in frequenza: circa 34Hz – 140HzControlli regolabili: crossover, fase, EQIngresso linea (RCA) + ingressi speaker levelProgettato e ingegnerizzato nel Regno UnitoPrestazioni sonore:Bassi profondi, definiti e ben controllati. Perfetto per migliorare la risposta sulle basse frequenze in ambito musicale, hi-fi o home cinema.
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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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