MGO Posted June 5, 2020 Posted June 5, 2020 A pair of 1970's JBL Musical Instrument Speakers with original cones. Work perfectly and are very rare in this condition. As used by Fender and many famous guitarists https://pro.harman.com/insights/harman-pro/loud-and-clear-the-story-of-jbl-fender/ JBL K130 15" -> For Lead or Rhythm Guitar, Electric Piano, Organ, Vocals. SPL - 103dB/W Power - 125W Continuous Frequency - 50Hz - 6000Hz Fs: 40Hz, Qts: 0,25, Qms: 4, Qes: 0,27, Sensitivity: 103dB, Vas: 297.3L, Eff: 6.7, Pe: 125W, Xmax 0.76, Re: 6.3, Le 0.6, Sd: 0.09, Bl: 18, Mms: 60, Flux: 1.2 "The K130 is JBL's most rugged and efficient extended range musical instrument loudspeaker. Its 125.watt continuous sine wave power handling capability qualifies it as the ideal reproducer for lead and rhythm instruments. The 15 inch cone area provides considerably more output than smaller cones without the slightest sacrifice in midrange and high frequency reproduction. K130 - the only choice when loudspeaker size is not restricted and tremendous musical sound levels are required." "In the early sixties, performers using amplified musical instruments had very special ideas about the kind of sound they wanted - sound they couldn’t get from standard loudspeakers. To satisfy their unique requirements, major guitar manfacturers and musicians - from professional to beginner - turned to JBL. The F Series provided the answer -with sound quality, efficiency and reliability only JBL could offer. That was the sixties. Today, amplifier power is much greater, listening castes have grown increasingly sophisticated and the demands placed on musical instrument loudspeakers are more critical than ever before - precisely the reasons why JBL developed the K Series. New materials have been formulated for high stress areas of the cone and voice coil which give K Series loudspeakers double the power handling capability of the previous F Series. For example, a K140 will cake the full output of a 150.wacr continuous sine wave amp and still sound clean ac any volume level-from a whisper fo an explosion. The K Series delivers more sound per waft than other musical instrument loudspeakers. The punch in bass notes is deep and solid; midrange bite is crisp and clear; with brilliance in the highs for distinctive cone character. JBI. sound at its best, with efficiency co match. The K Series technology Each loudspeaker in the K Series is designed co traditional JBL quality standards. High strength Alnico V magnets in massive cast iron magnetic structures conduct energy directly to large, handwound voice coils made of ribbon wire. These precisely machined components yield maximum loudspeaker efficiency and power handling capacity. Cone surround fatigue has been virtually eliminated by the use of new compounds and materials developed by JBL. Such improvements meet the stringent demands of amplified musical instruments and provide unsurpassed durability." 3
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