Reference 203 vs Bowers & Wilkins DM 604
The DM 604's sensitivity is 90 dB against the Reference 203's 89 dB, its woofer 7.09" against 6.5", and its low-frequency extension 44 Hz against 55 Hz. Both share impedance (8Ω).
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The KEF Reference 203 is a prestigious floorstanding loudspeaker from KEF's Reference series, manufactured around 2005 in England. It features a 4-way bass reflex design with two 165 mm woofers, one 165 mm midrange driver, one 25 mm tweeter, and one 19 mm super tweeter, delivering a wide frequency response from 55 Hz to 55,000 Hz ±3 dB. The speaker has a recommended amplifier power range of 50 to 200 watts and an efficiency of 89 dB (2.83V/1m). It has an impedance of 8 ohms nominal (minimum 3.2 ohms) and includes magnetic shielding. The cabinet is available in maple, black ash, or cherry real wood veneer, with dimensions of 1068 x 248 x 405 mm (HxWxD) and a weight of 26.5 kg. The Reference 203 is known for its impeccable build quality, including beech-ply construction with heavy internal bracing and carefully engineered damping for optimal sound performance. It supports tri-wire/tri-amp configurations and includes features such as boundary compensation and brightness controls for room acoustic adjustments. Originally priced around 2499 euros per speaker, it is highly regarded in audiophile circles for its detailed and natural sound reproduction.
Driver and acoustic performance characteristics
Driver configuration and enclosure design
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The DM 604's sensitivity is 90 dB against the Reference 203's 89 dB, its woofer 7.09" against 6.5", and its low-frequency extension 44 Hz against 55 Hz. Both share impedance (8Ω).
The Monitor 11's sensitivity is 93 dB against the Reference 203's 89 dB and its low-frequency extension 30 Hz against 55 Hz. Both share impedance (8Ω) and woofer (6.5").
The Opus 1's impedance is 6Ω against the Reference 203's 8Ω, its woofer 8" against 6.5", and its high-frequency extension 44 kHz against 55 kHz. Both share sensitivity (89 dB).
The CM9's high-frequency extension is 50 kHz against the Reference 203's 55 kHz. Both share sensitivity (89 dB), impedance (8Ω), and woofer (6.5").
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