The Onkyo M-240 is a 3-way loudspeaker produced by Onkyo from 1978 to 1980, crafted in Japan. It features a closed cabinet design and consists of three speakers including a 380 mm cone woofer, a 100 mm cone midrange driver, and a 25 mm titanium dome tweeter. The speaker is finished in a rosewood vinyl color, which adds an aesthetic appeal. With dimensions of 420 x 686 x 330 mm and a weight of 20.2 kg, the M-240 was priced approximately at $250 USD or 800 DM at the time of its release. Its power handling capabilities are rated at 60 W nominal and 100 W music, while boasting an efficiency of 93 dB per watt per meter. The frequency response ranges from 45 Hz to 20,000 Hz, with transitional ranges set at 700 Hz for the midrange and 4,500 Hz for the tweeter. The speaker's impedance is 8 Ohm, and it includes special features such as removable front grilles and separate controls to adjust the treble and midrange levels.
