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KEF Professional Series KM1 Monitor Speakers3000 Watts of PowerComplete with manuals, Blue Prints, Short & Tall Stands, Extra Feet, Extra Covers (New), and CablesEach Speakers Has It\'s Own Amplifier Built Into The System. There are 8 100W Amps Powering The 8 B300 Woofers, 4 350W Amps Powering The 4 B110 Midrange Units, And 2 400W Amps To Power the 2 T52 Tweeters.
Buyer will need toarrangeall shipping, handling, boxing, and cratingfrom zip code 98122 (Seattle, Washington). The system can be taken apart to reduce the size for shipping. This systemweighs over 600 without crates. I will assist in any way I can but I will not beresponsible for shipping damages or charges. I don\'t know how shipping out of the US will be butInternational buyers welcome.
If you google KEF KM1 you can get more information and download thebrochure.
Downloaded From KEF WebsiteProffesional Series Model KM1 (1984-1988)The KM1 loudspeaker system was developed for the BBC in response to a need for a high level monitoring loudspeaker to be used in pop studios. Prototypes were installed at the BBC’s Maida Vale studios in the spring of 1982 and proved highly satisfactory for all types of music.
Many high output loudspeakers in use at the time suffered from frequency response distortion, deliberately introduced to make them sound more efficient than they actually were. Such tricks sound unnatural on classical music and speech and give a false impression of sound balance. The KEF KM1 had no such drawback and could therefore be used to balance a symphony orchestra just as well as a pop group.
Considerable resource was devoted to reducing the effects of thermal compression in the drive units with extensive heat sinking and the use of an oversized magnet to maximise the sensitivity of the T52 tweeter. The system was fully active and included adjustment for bass cut-off and damping and well as bass/midrange balance.
Specification: Model KM1System Type: Three-way, stand-mountSize: 763 x 1315 x 665mm (30 x 51.75 x 26.25 inches)Weight: 140kg (308 lb)Internal Amplifers: 4 x 100W (bass), 2 x 350W (midrange), 1 x 400W (treble)Frequency response : 38-23,000Hz +/-2dB at 2m on design axis (-6dB at 34 and 25kHz)Maximum output: 120dB at 1m (anechoic conditions)System: SP3010Drive units: 4 x B300 bass unit (SP1196), 2 x B110 midrange unit (SP1186), T52 tweeter (SP1187)Active crossover boards: SP2036, 2037, 2038.System: SP3081 KM1P (1987-88)Drive units: 4 x B300 bass unit (SP1196), 2 x B110 midrange unit (SP1186), T52 tweeter (SP1187)Active crossover boards: SP2036, 2037, 2111
