Blade Two vs R11
The R11's impedance is 8Ω against the Blade Two's 4Ω. Both share sensitivity (90 dB), woofer (6.5"), and ways (3).
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The KEF Blade Two is a flagship floorstanding loudspeaker designed for audiophiles seeking exceptional sound quality and innovative engineering. It features a three-way bass reflex design with a single apparent source driver configuration, incorporating a 12th generation Uni-Q driver array. The midrange driver is a 5-inch Li-Mg-Al/LCP hybrid cone, paired with a 1-inch vented aluminium dome tweeter. Bass is delivered by four 6.5-inch force-cancelling woofers. The speaker offers a frequency range of 34Hz to 45kHz (-6dB free field) and a typical in-room bass response down to 25Hz. Sensitivity is rated at 90dB (2.83V/1m), with an impedance of 4 ohms (minimum 3.2 ohms). Harmonic distortion is kept very low, under 0.5% from 40Hz to 100kHz and under 0.2% from 200Hz to 10kHz. The Blade Two can handle amplifier power from 50 to 400 watts and can reach a maximum output of 116dB SPL at 1 meter with pink noise. It weighs approximately 77.8 lbs (35.3 kg) and measures 57.5 x 13.3 x 18.7 inches (HxWxD) including the plinth. Available finishes include White, Black, Red, Silver, Gray, Frosted Black, and Frosted Blue. The Blade Two is engineered and handcrafted in the UK, utilizing a self-forming composite cabinet that is both lightweight and rigid. It is praised for its coherent soundstage, transparency, and taut bass response, making it a highly regarded choice in the high-end audio market.
Driver and acoustic performance characteristics
Driver configuration and enclosure design
Size, weight, and appearance
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The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The R11's impedance is 8Ω against the Blade Two's 4Ω. Both share sensitivity (90 dB), woofer (6.5"), and ways (3).
The Sonetto VIII's low-frequency extension is 33 Hz against the Blade Two's 34 Hz. Both share sensitivity (90 dB), impedance (4Ω), and ways (3).
The Persona 3F's sensitivity is 92 dB against the Blade Two's 90 dB and its impedance 8Ω against 4Ω. Both share high-frequency extension (45 kHz) and ways (3).
The Persona 5F's sensitivity is 93 dB against the Blade Two's 90 dB and its impedance 8Ω against 4Ω. Both share high-frequency extension (45 kHz) and ways (3).
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