Audio Engine - HDP6, Walnut Finish The HDP6 passive speakers are perfect for stereo receivers, integrated amps, and tube amplifiers. GENERAL SPECIFICATIONS Type2-way passive speaker system, rear ported design, power amplifier or AV receiver required Drivers5.5″ aramid fiber woofers 1″ silk dome tweeters InputsGold-plated, 5-way binding posts Frequency Response50 Hz-22 kHz ±1.5 dB Nominal Impedence4 ohms Recommended Amplifier Power10-150 W per channel WEIGHTS AND MEASURES Dimensions (HWD)7.2″ (18.3 cm) x 11.75″ (29.8 cm) x 9.4″ (23.9 cm) Weight12.5 lb (5.7 kg) Total Shipping Weight32 lb (14.5 kg) Shipping Box Dimensions (LWH)20″ (51 cm) x 15″ (38 cm) x 17″ (43 cm) ENVIRONMENTAL REQUIREMENTS Operating temperature: 32 degrees F to 95 degrees FNon-operating temperature: -4 degrees F to 113 degrees FRelative humidity: 5% to 95% non-condensing MATERIALS AND CONSTRUCTION 0.7″ (18 mm) thick MDF cabinets with real wood veneer1″ (26 mm) silk dome tweeters with neodymium magnets5.5″ (140 mm) aramid fiber woofers with advanced voice coils CABINETS To minimize unwanted resonances and distortion, Audioengine cabinets have thick high-resin MDF walls with extensive internal bracing. Heavy internal sound-damping material is used to reduce unwanted sound reflections inside the cabinet. All cabinet edges are rounded which look great and reduce high-frequency diffraction effects on the front baffles. The HDP6 cabinet contains tuned, rear-port slots. FURNITURE GRADE FINISHES The HDP6 cabinets are available in several handsome finishes, including walnut and cherry veneers as well as satin black paint, offering a myriad options for complementing room furnishings. Also included are detachable grills that add further aesthetic advantages as they are firmly held in place with hidden neodymium magnets for a clean look. CUSTOM COMPONENTS Audioengine designs and manufactures our own speaker drivers and other critical components. In other words, the HDP6 is not a box-built system with off-the-shelf parts, but includes custom-designed components constructed to our specifications. What we do not fabricate directly inside our factories we have made to our specific designs and parts such as circuit boards, transformers, magnets, and wiring harnesses, for example. BASED ON STUDIO MONITOR DESIGNS Studio monitor speakers are used by producers and engineers in recording and production studios. They are designed with a theoretical flat frequency response which allows the engineer to create a final mix in such a way that the recorded music will sound good on most other speakers. Although Audioengine speakers are not designed to be up-close “nearfield” studio monitors, we do carry over much of the same higher-end technology, components, and design philosophy for all Audioengine speaker systems. DRIVER DESIGNS Audioengine uses audiophile-quality, ferrofluid-cooled silk dome tweeters with neodymium magnets. Silk tweeters hold up well under high power and the edge-driven design gives very smooth response. The woofers are aramid fiber woven glass composite with rubber surrounds. Aramid fiber is obviously very strong, which means the woofer retains its shape when being driven at high levels. The HDP6 woofers are housed in cast aluminum frames which provide high rigidity and increased heat dispersion.
