-40%

JBL Professional LC-1 Speaker Crossover Network and Panel

$ 31.65

Availability: 74 in stock
  • Condition: New
  • Brand: JBL Professional
  • Type: Crossover
  • MPN: LC-1
  • Country/Region of Manufacture: United States

    Description

    JBL Professional LC-1 Speaker Crossover Network and Panel
    This is a Brand new JBL Professional LC-1 Speaker Crossover Network. Is this for the center channel LC1? We are not sure if this crossover network is for the center channel, or if it's for an LC-1 professional 3-way arena-type loudspeaker. We're hoping the JBL specialist reading this can make that determination. The question arises because the JBL center channel has four receptacles on its rear panel, whereas this has two phillips screwdriver-type receptacles.
    As you can see from the pictures, the manufacturer spares no large expense to use the finest grade capacitors (metallized PETE polymer film at 5% tolerance and a dissipation factor no greater than 1/100 of one
    percent; i.e., DF<0.001 ppm, typical) and laminated, high-permeability sheet steel to the inductor cores.
    We acquired our crossover networks from a local acoustic R&D company engaged in testing home and pro-audio that recently liquidated some assets. We were fortunate enough to purchase their more discriminating, esoteric audio components--including this crossover network.
    Crossover is a Linkwitz–Riley with a rolloff to the fourth harmonic. The Linkwitz–Riley filter uses more components than the traditional Butterworth, but the results are outputs that are in-phase with each other between the high and the low frequency, meaning you will not need any time correction circuitry for precise time arrival of the wavefronts of both. And since time arrival is in phase between tweeter and woofer outputs, the resulting soundstage and stereo imaging provided by this crossover filter is presented as accurately to your ears as the theoretical limit will allow.
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