The Philips F 9247 is a 3-way loudspeaker produced by Philips between 1983 and 1985. It features a closed design and is equipped with three speakers: a 200 mm cone woofer, a 75 mm cone midrange driver, and a horn tweeter. The speaker delivers a nominal power handling of 45 W and a music power handling of 80 W. It boasts an efficiency rating of 88 dB per watt per meter and achieves a frequency response range from 45 Hz to 20 kHz. The transitional ranges are set at 2,800 Hz and 5,200 Hz, and it has an impedance of 8 ohms. The dimensions of the speaker are 280 mm in width, 430 mm in height, and 200 mm in depth, weighing approximately 5.2 kg. The original price when released was around 320 DM.