Reference quality speakers with Sony's unique APM flat driver technology for sonic performance that fully meets the demands of digital audio.
Extremely uniform, extended frequency response for superb tonal accuracy and smooth, untiring sound.
Low distortion and coloration not possible with conventional cone drivers.
Near-perfect linearity over a wide dynamic range
Advanced crossover design for smooth response and stable stereo imaging over entire frequency range
Heavy-duty cabinet construction with rounded edges for reduced diffraction effects.
Features
The APM-66ES's flat diaphragm is a very lightweight but very rigid honeycomb sandwich structure whose pistonic motion moves air very efficiently.
The 424 cm² woofer reproduces a powerful bass
The acoustically rounded enclosure improves directivity characteristics by minimizing the diffraction effect.
Specifications
Speaker System: 3-way speaker system
Nominal Impedance: 6 Ω
Power Handling Capacity (DIN 45500): 100 W (Nominal); 200 W (Maximum)
Sensitivity: 89 dB (1 W, 1 m) [DIN 45500 5 W (96 dB, 1 m)]
Frequency Range: 30 Hz - 30,000 Hz
Crossover Frequency: 600 Hz and 4,500 Hz
Speaker Units;
Woofer : 424 cm² (66 in²), APM type
Midrange : 48 cm² (7,4 in²), APM type
Tweeter : 9 cm² (1,4 in²), APM type
Enclosure Type: Bass reflex type, Removable front grille
Finish: Grained vinyl of Walnut
Volume: 56 litres
Dimensions (W x H x D): 380 x 660 x 365 mm (14" x 26" x 14-3/8") including front grille
Weight: 26 kg (57 lb 6 oz) including front grille, ( net per speaker)
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