Vintage Acoustic Research AR7 HiFi Bookshelf Stand/Mount Speakers – 60 W. In full working order and professionally re-foamed. The mid range, high range and the bass are wonderful, bass is deep, tight and controlled. One of the best little speaker ever. Edgar Villchur, the founder of the original Acoustic Research Company invented the acoustic suspension (infinite baffle) principle in 1953, just as they invented the dome speaker. What AR had always been famous for was the neutrality of sound. A good speaker was good with everything and anything, either you play rock or classical music they deliver amazing sound. There is some grain of truth in AR’s motto” High Fidelity’. 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. 245 x 400 x 600 mm deep. 5 Kg per speaker. 48 Hz – 23 kHz. The item “Vintage Acoustic Research AR7 HiFi Bookshelf Stand/Mount Speakers 60 W” is in sale since Saturday, July 25, 2020. 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 worldwide.
- RMS Power: 60 W
- Brand: Acoustic Research