The ultimate ELAC classic.
No one could have predicted its subsequent success back in 1993, when a small loudspeaker called the ELAC Elegant 305 hinted at the promise of great things to come. Aesthetics and sound in perfect unity—the secret is aluminum. It guarantees high rigidity from low material thicknesses and makes a unique cabinet shape possible. The near-complete absence of a front baffle allows the sound to radiate with total freedom. The audible result is room-filling, unfettered and utterly captivating sound.
A compact 2-way, bass-reflex design, the BS 312 incorporates the multi-award-winning JET 5 tweeter and a new woofer specially developed to ensure that electric signals are flawlessly converted into a superlative audio experience. This perfect partnership endows the BS 312 with unprecedented precision and dynamics in any position.
SPECIFICATIONS
Speaker type: 2-way, bass reflex
Tweeter: 1 x JET 5
Woofer: 1 x 115 mm AS -XR cone
Crossover frequency: 3,200 Hz
Frequency response: 42 to 50,000 Hz
Sensitivity: 87 dB at 2.83 v/1m
Recommended amplifier power: 50 to 150 wpc
Nominal/peak power handling: 70 / 100 wpc
Nominal impedance: 4 Ω; minimum 3.4 Ω @ 280 Hz
Binding posts: 5-way metal
Magnetic shielding: No
Cabinet finish: High gloss black or white
Accessories included: Metal grille
Height: 8.2 in / 208 mm
Width: 4.8 in / 123 mm
Depth: 11.1in / 282 mm
Net weight (each): 15.9 lb / 7.2 kg
The sonic miracles.
Be amazed by the volume these compact loudspeakers can produce. Both models in the Line 300 deliver an extraordinary audio experience for their size, thanks in part to aluminum cabinets that are rigid, lightweight and allow for a narrow profile that minimizes the diffraction effects of larger cabinets.
Crystal membrane driver
The eye-catching surface of the crystal membrane is more than just an attractive design feature of the BS 312. The Crystal Membrane (patent pending) design is based on ELAC’s Aluminum-Sandwich AS Technology. The crystal-shaped inverse aluminum dome is joined to the paper cone in a special gluing process to result in the desired sandwich construction. Resembling the surface of a large crystal, the aluminum-foil stamping stiffens the aluminum dome, diminishing resonances and minimizing coloration, while improving power handling and dynamics. The voice coil design of the driver results in an expanded frequency range, and driver surround allows for longer cone excursions for truly prodigious volume and lowest distortion, a unique engineering achievement for a driver of its size.
JET 5 tweeter
Delivering true high-definition sound, ELAC’s JET 5 tweeter used in the BS 312 enthralls with its lightning-fast response and wide dynamic range, offering minimal distortion, lots of headroom and a distinctly wider frequency range than conventional dome tweeters. The ELAC JET tweeter is one of the most legendary tweeters in the industry and has won international praise with its transparent and effortless sound image.
The JET tweeter was developed to perfection on the basis of the famous Air Motion Transformer by loudspeaker pioneer Dr. Oskar Heil. Its operating principle is based on a concertinaed-foil membrane, driven by a strong magnet system of neodymium rods. This motor drives the air considerably faster than the pistonic motion of a conventional driver, with gains in higher sensitivity and extraordinary dynamics. Due to many additional design changes, like an improved new neodymium magnet system, even higher efficiency, higher sound pressure levels and frequency response up to 50 kHz was achieved.
The core of the JET tweeter is the folded foil membrane. With a fold width of only 0.84 mm, a major requirement in the JET production is precision. To guarantee repeated accuracy and unchanging quality even with high production capacity, gluing and handling are now executed by two SCARA robots. The folding and fixing of the membrane, however, are executed by hand, since for production steps requiring extreme precision, the manual dexterity of skilled technicians is irreplaceable. Due to continuous improvement, the JET 5 tweeter creates an effortless, airy and resonance-free image up to 50,000 Hz, and with its linear frequency response is ideally suited for the reproduction of DVD-A and SACD.
Bass reflex port
The bass port of the BS 312 is a proprietary design feature. Flared on both sides, the double-flare port has been designed to minimize ventilation noises and to reduce friction losses of traditional ported cabinets.
Bass control
The sound of loudspeakers is heavily influenced by room-acoustics. In some cases the room shape and especially the furnishings offer less than ideal conditions for the optimum set-up of the loudspeakers, sometimes resulting in bass reproduction that is too strong. Closing the bass reflex port of the BS 312 compensates for unfavorable acoustic conditions when speakers are installed, for example, close to a wall. When loudspeakers are used close to walls or in small rooms and the bass is too prominent, the ELAC Bass Control plug can be used to improve the bass reproduction by reducing the low frequency output. Just insert one or both of the supplied ELAC Bass Control plugs into the bass port until the bass is at the correct level relative to the midrange and treble.
Magnetic shielding
With the cinema-friendly BS 302, you can watch television without having distorted color. Thanks to magnetic shielding, this loudspeaker can be installed right next to CRT screens or devices with hard drives sensitive to magnets without creating interference.
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