Vintage Acoustic Research AR18S HiFi Speakers – 60 W. Some wall brackets fitted on them – see pictures. In full working order and professionally re-foamed. The mid range, high range and the bass are wonderful, bass is deep, tight and controlled, nice natural sound. One of the best little speaker ever. It is thought the NS10 won out in the popularity stakes because of their highly identifiable white cone woofers. Back in 1982 Edgar Villchur, the founder of the original Acoustic Research Company already knew stuff about acoustic loudspeakers many modern day engineers have only come to know in recent years. One such aspect is the minimalist cross over network, that when implemented in conjunction with custom designed drive units, cause for unparalleled transparency from the transducer system. Back in the 1982 AR’s already featured modern day buzz like in house custom designed and manufactured drive units, minimalist cross-overs and ferro-fluid cooling. Bookshelf acoustic suspension 2 way system with drive units in a vertical array. 200 mm/ 8” acoustic suspension woofer 32 mm liquid cooled cone highrange driver. 2.83 volts produce 88 dB at 1 metre on axis. 1 watt produces 88 dB SPL at 1 metre on axis. May be used with amplifiers capable of delivering up to 100 watts continuous power per channel, being driven into clipping no more than 10% of the time on normal speech and music source material in non-commercial applications. 3 dB half power points at 62 Hz and at 20000 Hz. System Low Frequency Responce. 3 dB at 62 Hz with an effective Q at resonance of 1.0. 8 Ohms nominal /5.5 ohms minimum/. Woofer has a 12 dB/octave mechanical crossover. Tweeter has first order order electrical network plus mechanical slope to give a total of 18 dB/octave. 419 x 244 x 167 mm deep. 5.9 Kg per speaker. 48 Hz – 23 kHz. The item “Vintage Acoustic Research AR18S HiFi Speakers 60 W” is in sale since Thursday, April 18, 2019. This item is in the category “Sound & Vision\Home Audio & HiFi Separates\Speakers & Subwoofers”. The seller is “mastore_mastore” and is located in Dundee. This item can be shipped to all countries in Europe, Antigua and barbuda, Australia, United States, Canada, Japan, New Zealand, China, Israel, Hong Kong, Indonesia, Malaysia, Mexico, Singapore, South Korea, Taiwan, Thailand, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Dominica, Egypt, Guadeloupe, Grenada, French guiana, Jordan, Cambodia, Saint kitts and nevis, Saint lucia, Sri lanka, Macao, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Turks and caicos islands, Aruba, Saudi arabia, South africa, United arab emirates, Chile.