The LSR32 Linear Spatial Reference Studio Monitor combines JBL’s latest in transducer and system technology with recent breakthroughs in psychoacoustic research to provide a more accurate studio reference. The Linear Spatial Reference (LSR) philosophy is based on a set of design goals that carefully control the overall performance of the system in a variety of acoustic spaces.

Instead of focusing on a simple measure such as on-axis frequency response, LSR designs require much better control over dispersion via transducer selection and crossover frequency design.

LSR32 Key Features

• Linear Spatial Reference design based on spatial response measurements and psychoacoustic principles.
• Differential Drive^® Technology with dynamic braking for extended low frequency response and low power compression.
• Neodymium Midrange with 2" voice coil and Kevlar^TM cone material for extended frequency response and low distortion.
• Titanium Composite High Frequency Device with Elliptical Oblate Spheroidal Waveguide and Damped Pole Piece.
• Carbon Fiber Composite Baffle for low cabinet resonance and stable inertial ground.
• Linear Dynamics Aperture Port Design eliminates port noise and reduces port compression.

Transducers

252G Low Frequency Transducer
The neodymium 12" woofer is based on JBL’s patented Differential Drive® technology. With the Neodymium structure and dual drive coils, power compression is kept to a minimum to reduce the fatigue of spectral shift as power levels increase. An added third coil between the drive coils acts as a dynamic brake to limit excess excursion and reduce audible distortion at the highest levels. The cone is made of a graphite/polypropylene composite forming a rigid piston supported by a soft butyl rubber surround.

C500G Midrange Transducer
The midrange is a 2" neodymium magnet structure with a woven 2" Kevlar cone. The powerful motor structure was chosen to support the low crossover point to the woofer. In order to achieve the goal of accurate spatial response the crossover points are located at 250 Hz and 2.2 kHz. These transition points were chosen to match the directivity characteristics of the three transducers.

053ti High Frequency Transducer
The high frequency device is a 1" composite diaphragm integrated with an Elliptical Oblate Spheroidal (EOS) Waveguide with 60 x 100 degree dispersion which is critical to the smooth spatial response required in today’s working environments. The Mid and High devices are mounted within millimeters of each other on a cast aluminum sub-baffle that can be rotated for horizontal or vertical placement giving maximum flexibility in placement to reduce console and ceiling splash that destabilizes imaging and depth.

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