JBL Performance P81 Owner's Manual
Also see for Performance P81: Brochure
4Thank you for purchasing the JBLPerformance Series P81/P941 In-WallLoudspeakers. Designed for discerningaudiophiles, the P81 and P941 offer ver-satile, easily integrated in-wall loud-speakers that provide the superior,uncolored sound that is the hallmark ofJBL loudspeakers. The P81 and P941reproduce realistic, accurate signalswith minimal coloration and distortion,making them perfect complements toJBL Performance front speakers inmultichannel setups. Proprietary trans-ducers, sophisticated filter networks,and user-adjustable compensation con-trols allow the P81/P941 to achieveremarkable sound quality and perform-ance befitting the most demandinghome entertainment systems.The P81 and P941 are also perfectlysuited as front and surround speakersin complete in-wall setups, or as stereopairs in secondary listening spaces, orfor integration with flat-screen televi-sion home theater installations. Unlikefreestanding loudspeakers, the P81 andP941 speakers occupy no space in liv-ing areas and will not detract from thedécor of the listening room. They areeasily mounted in either pre-existing ornew construction projects.A critical aspect of loudspeaker design,transducers convert electrical signalsinto audible sounds, profoundly affectingspeaker performance. Combining supe-rior form and function, the P81 and P941transducers feature a distinctive designthat allows for smoother frequencyresponse. The cones are constructedwith Organic Ceramic Composite conematerial to reduce distortion, while thespiders are constructed of a high-strengthNomex® blend with optimized geometryfor increased linearity.A two-way design, the P81 transducerseffectively cover a broad range of fre-quencies. A 7-1/2-inch (191mm) wooferdelivers highly refined and dynamicallyauthoritative low frequencies down tothe very lowest octaves. Also, a 1-inch(25mm) titanium-dome tweeter repro-duces high frequencies well aboveaudible levels, with wide dispersion foropen, airy treble.A three-way design, the P941, in addi-tion to its 9-inch (229mm) woofer and1-inch (25mm) tweeter, also featuresa 3-1/2-inch (89mm) midrange, whichhandles critical mid-band frequencieswith natural tonal balance over a wideoperating range.An advanced midrange (P941 only)motor structure includes two high-grade neodymium magnets placedat the center of the motor structure,inside the voice coil, for improvedmagnetic shielding. Inside the motor, ablack-plated steel-shield cup facilitatesheat dissipation for higher power han-dling. An integrated aluminum flux-stabilization ring minimizes modulationinside the motor’s static gap flux field,greatly reducing distortion. A copper ringinside the motor’s gap reduces distortioneven further. Both rings are optimallysized and placed to maintain constantlinear voice coil inductance withforward and backward motions.The P81 has a high-order filter at2.8kHz. In the P941, high-order filters at300Hz and 2kHz optimize loudspeakeron- and off-axis response, helpingto ensure smooth octave-to-octavebalance and timbral accuracy. The P81and P941 feature gold-plated bindingposts that accommodate two connec-tion methods, while separate High-Frequency Tilt, Low-Frequency BoundaryCompensation, High-Frequency Leveland Listener Axis controls compensatefor less-than-ideal listening roomacoustics and loudspeaker placement.For more than 50 years, JBL has stoodat the forefront of loudspeaker design.With extensive research and designfacilities, the JBL Performance SeriesP81 and P941 loudspeakers benefitfrom cutting-edge tools such as a multi-channel listening lab for double-blindlistening tests; a laser interferometerfor detailed driver analysis; real ane-choic chambers for precise tests andmeasurements; finite element analysisfor advanced loudspeaker modeling;and a stereo lithography apparatus fordesign verification.Adding to the proud lineage of JBL’sPerformance Series loudspeakers, theP81 and P941 further advance JBL’sreputation as the leading designerand manufacturer of high-quality,high-performance loudspeakers.P81/P941 HIGHLIGHTSn Exceptional accuracyn Proprietary 7-1/2-inch (191mm)/9-inch(229mm) Organic Ceramic Compositewoofern Proprietary 3-1/2-inch (89mm)Organic Ceramic Compositemidrange (P941 only)n Proprietary 1-inch (25mm) titanium-dome tweetern High output with low distortionn Gold-plated binding postsn High-Frequency Level controln High-Frequency Tilt controln Low-Frequency BoundaryCompensation controln Listener Axis controln Advanced woofer and midrange(P941 only) motor structuren Large voice coils for wide dynamicrange without compressionn Wall-mounting frame which featuresspring-loaded clamps to securelyanchor loudspeaker into wall openingn Optional rough-in bracket for stud-mounting prior to drywall installation(not included)PRODUCT REGISTRATIONPlease register the P81/P941 as soonas possible after purchase. To do so,register online at www.jbl.com. Theproduct registration serves no warrantypurposes. Retain the original, datedsales receipt as proof of warrantycoverage.INTRODUCTION |
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