KEF Reference Reference 107

Black ash, includes cube equalizer, some blems
Description: Three-way, floor-standing loudspeaker with Conjugate Load Matching, Coupled-Cavity bass loading, and line-level equalizer. Drive-units: 1" (25mm) metal-dome tweeter, 5" polypropylene-cone midrange unit, two 10" (250mm) pulp-cone woofers. Crossover frequencies: 160Hz, 2.5kHz. Frequency response: 20Hz-20kHz ±2.5dB (-6dB at 18Hz, Q=0.5). Directional axis characteristics: within 2dB of reference up to 10kHz for ±10 degrees vertically, ±30 degrees horizontally. Position of reference axis: 40" above cabinet base, not including feet. Nominal impedance: 4 ohms resistive. Sensitivity: 90dB/W/m (2.83V band-limited pink noise, 50Hz-20kHz, anechoic). Amplifier requirements: 50-300W. Maximum output: 112dB spl on program peaks under typical listening conditions. KUBE 107/2 equalizer: LF contour: continuously variable shelf control allowing +4/-6dB adjustment centered on 160Hz. HF contour: continuously variable control allowing +2.5/-3.5dB adjustment centered on 4.5kHz. Input impedance: 51k ohms. Maximum input level: >1.9V RMS 20-50Hz, >8V RMS above 50Hz. Output impedance: 100 ohms. Maximum output level: >5V RMS. Output noise: <6µV A-weighted. S/N Ratio: >104dBA ref. 1V RMS. THD: <0.005% (1V RMS input at 1kHz).
Dimensions: 45.9" (1165mm) H by 13" (330mm) W by 17.6" (448mm) D (speaker); 2.6" (65mm) H by 6.5" (152mm) W by 9.2" (234mm) D (equalizer). Enclosure volume: 72 liters (LF), 8.5 liters (midrange/HF). Weight: 99 lbs (45kg) each (speaker); 2.87 lbs (1.3kg) (equalizer).
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