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ELAC Concentro S 509 Floorstanding Speaker – CFS509

by Elac
Original price Rs. 2,599,900.00 - Original price Rs. 2,599,900.00
Original price
Rs. 2,599,900.00
Rs. 2,599,900.00 - Rs. 2,599,900.00
Current price Rs. 2,599,900.00
  • Get in touch for a Discounted Price
  • Authorised Elac Partner in India
  • Brand New in a Box Unit(s)
  • Price is inclusive of all taxes
  • Official Elac India Warranty
Color: Gloss Black

Country of Origin: Germany

The dream that inspires. The idea that turns it into reality. The passion for detail that creates something truly special: the ELAC Concentro S 509 is a piece of master craftsmanship, conceived to celebrate music with all senses.


3-years manufacturer's warranty


  • 4x Side-Firing 7.1" Woofers
  • 7.1" Low-Midrange Driver
  • 5.1" Aluminum High-Midrange Driver
  • Folded Foil Tweeter
  • 60 to 600W Recommended Amplifier Power
  • Bass-Reflex Design
  • Bi-Wiring Hardware Included

Video Review:

Sophisticated aluminum woofers

Through the use of aluminum, resonances that affect the linearity of common paper cones can be placed beyond the driver’s operating frequency range. The motor structure features a large 3-inch diameter voice coil with oversized magnet and a vented pole piece to increase power handling, for accurate reproduction of bass frequencies that are clean, clear and powerful.

Crystal membrane midrange and mid-bass drivers
The eye-catching surface of the crystal membrane is more than just an attractive design feature. The midrange/woofers of the Concentro employs the Crystal Membrane (patent pending) and the 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.

JET 5 tweeter

Delivering true high-definition sound, ELAC’s JET 5 tweeter 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 neodymium magnet. This motor drives the air considerably faster than that 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 hi-res formats.

Custom base

The base of the Concentro is a complex design machined from a single piece of aluminum that has a matt, clear-anodized -finish. Weighing more than 55 lbs, the base employs four adjustable, high-definition spikes for maximum stability and ideal coupling to hard or soft floor surfaces.

Technical Specifications:

Speaker System
Speaker Configuration 4-Way
Power Handling 280 W RMS
340 W Peak
Recommended Amplifier Power 60 to 600 W
Drivers 4 x 7.1" / 180 mm Cone Woofer (Side-Firing)
1 x 7.1" / 180 mm Cone Mid-Woofer
1 x 5.1" / 130 mm Aluminum Cone Midrange
1 x Folded Ribbon Tweeter
Enclosure Type Bass-Reflex
Frequency Range 22 Hz to 50 kHz
Crossover 120 Hz
400 Hz
2600 Hz
Sensitivity 88 dB
Placement & Mounting Options Floorstanding
Floor Contacts Carpet Spikes (Adjustable)
Dimensions 12.8 x 52 x 18.1" / 325 x 1320 x 460 mm (with Spikes)
Weight 94.4 lb / 42.8 kg