The 4345 Studio Monitor JBL Professional（4345工作室监视器JBL电子专业）.pdf

The 4345 Studio Monitor The 4345, an improved version of the popular 4343B studio Midrange Loudspeaker (Model 2122) monitor, has a larger 460 mm (18 in) low frequency loud- The predomrnant energy of mustcal fundamentals lres In the speaker, an improved 250 mm (10 in) midrange loud- region from 320 Hz to 1300 Hz, the operating range of speaker, and a more highly refined frequency dividing the midrange loudspeaker Its 250 mm (10 In) diameter network. The new monitor speaker features increased sen- cone IS large enough to move the volumes of air necessary sitivity, extended low frequency response, and better tran- to match the levels of the other components, while its size sient response.The 4345 can be driven by a full range and weight are optimized for tight transient response and input, or it may be biamplified, depending on the setting of uniform dispersion By virtue of Its rntentronally restncted a rear panel switch. In either mode, the monitor delivers the operating range, this loudspeaker yields exceptional vocal high volume levels, wide dynamic range and low distortion clarity and precise instrumental definition. An improved necessary for precise reproduction of live and recorded cone and center dome smooths response and lowers distor- sound.The 4345 is a fine monitor, ideally suited to critical tion over this loudspeaker’s predecessors, while an recording, mixdown, and disk mastering applications. improved voice coil and coil-former const