From its humble drawing-board beginnings to the present day it has become an audio legend, winning awards on all continents from the leading audiophile critics. The FB1 has even received critical acclaim from respected professional magazines for its ability as a true reference-recording monitor. Specifications: Crossover Frequency: 3 kHz Drive Units: LF Doped, 170 mm with cast magnesium alloy chassis; HF 27 mm Silk soft dome, Ferrofluid cooled Effective ATLT Length: 3m Impedance: 8 Ohms nominal Input Connectors: 2 pairs 4 mm Binding Posts (suitable for bi-amp or bi-wire) Sensitivity: 90 dB 1 w 1 m Recommended Amp Power: 0 - 150W Dimensions: 1000 (H) x 200 (W) x 300 (D) mm Weight: 18 kg. Established in 2003, 2ndhandhifi is the UKs largest stockist of used quality audio equipment. This means that all items described as.Will be in good working order but may show minimal cosmetic marks resulting from everyday use. Any more significant cosmetic issues will be highlighted in the listing if present. We are a business so (although most times we do) we cannot always answer emails over the weekend so please try to ask Monday to Friday. If you don't ask, it means you will accept our quote. Requests to cancel will be rejected. This item is in the category "Sound & Vision\Home Audio & HiFi Separates\Speakers & Subwoofers". The seller is "2ndhandhifi-uk" and is located in this country: GB. This item can be shipped worldwide.