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Copyright © 2017 ESS Laboratories LLC. All Rights Reserved. Printed in the U.S.A. Products Subject to Change Without Notice
ALL LOGOS and PRODUCTS used in this brochure are the REGISTERED TRADEMARKS of ESS Laboratories LLC.
• The Art of Sound • AMT Air-Motion Transformer • Heil AMT Air-Motion Transformer • ESS-Heil AMT • ESS-AMT • Air-Motion Tweeter • AMT Tweeter • AMT/Air-Motion Transformer • Multi Fold Air-Motion Transformer
HEADQUARTERS ESS Laboratories LLC 9855 Joe Vargas Way South El Monte, CA 91733
Tel: 626.443.8324 Fax: 626.443.8454 esslabsusa.com
S E R I E S
2017 Brochure
Featuring the Original Heil Air-Motion Transformer
AMT™ 8”, 10”, 12”
ML-8
For 40 years ESS® Laboratories has been an industry leader since the mid-1970s and is proud to announce the introduction of its enhanced ESS-Heil™ Air-Motion Transformer™. The original air-motion transformer was created by the noted German physicist, Oskar Heil, and his patent was licensed exclusively to ESS® Laboratories for production in the United States. The Heil Air-Motion Transformer™ uses revolutionary, and unique, technology that remains unsurpassed and is stateof-the art. The key to the system is the design of its patented, double-sided diaphragm and its magnetic components that concentrate the sound unknown in conventional transducers. The sound signal moves five times faster than the air-motion of a conventional cone driver.
Power Capacity: 160 Watts RMS (clean music power) Frequency Response: 40-23k ± 3db Crossover Frequency: 2000 Hz Dispersion: 120° Horizontal 45° Vertical Efficiency: SPL@1m/1w: 95dB Low Frequency Driver: 8” Poly Driver 8” Bass Radiator: Med - Air Motion Tweeter™
AMT™ Limited Edition
LD-8
Power Capacity: 375 Watts RMS (clean music power) Frequency Response: 30-23k ± 3db Crossover Frequency: 800 Hz Dispersion: 120° Horizontal 45° Vertical Efficiency: SPL@1m/1w: 98dB Low Frequency Driver: 12” Cast Frame Treated Paper Cone, Magnet Assembly, Weight 7lbs 5 oz Bass Radiator: 12” Cast Frame Treated Paper Cone
Power Capacity: 160 Watts RMS (clean music power) Frequency Response: 40-23k ± 3db Crossover Frequency: 2000 Hz Dispersion: 120° Horizontal 45° Vertical Efficiency: SPL@1m/1w: 95dB Low Frequency Driver: 8” Poly Driver 8” Bass Radiator: Med - Air Motion Tweeter™
*Also applies to AMT™ 8”
*Also applies to AMT™ 12”
LD-10 Power Capacity: 200 Watts RMS (clean music power) Frequency Response: 35-24k ± 3db Crossover Frequency: 1000 Hz Dispersion: 120° Horizontal 45° Vertical Efficiency: SPL@1m/1w: 96dB Low Frequency Driver: 10” Cast Frame Treated Paper Cone, Magnet Assembly, Weight 7lbs 5 oz Bass Radiator: 10” Cast Frame Treated Paper Cone, Med - AMT Tweeter™ *Also applies to AMT™ 10”
ESS AMT 422 - Headphones are unique that are Heil AIR-Motion Transformers. ESS has used with great success as tweeters in its loud speaker systems. The improved Multi Fold Air-Motion Transformer produces a full range of natural sound that ESS is known for. SPECIFICATIONS: Driver: Multi Fold Air-Motion Transformer Frequency Response: 15-4500 Hz Impedance: 32 Ohm Sensitivity: 100db 1 mv
ESS 252 / 252bt - Bigger ebony wood casing for superior acoustic reproduction. Outstanding bass response, wider sound domain with fresh music details. SPECIFICATIONS: Speaker Size: 50mm Dynamic Orientation Frequency Response: 20Hz - 20KHz Sensitivity: 113+/- 3db at 1KHz 1mW Impedance: 40 Ohm R & L Balance: <3db (20Hz - 10KHz 1mW) Rated Input Power: 30mW Maximum Input Power: 50mW
ESS RLM 713 - Big ebony wood casing for superior acoustic reproduction. Flexible 180 degree rotatable ear cups. Detachable cable, allowing for convenient storage and portability
LD-6C Power Capacity: 125 Watts RMS (clean music power) Frequency Response: 30-23k ± 3db Crossover Frequency: 800 Hz
Dispersion: 120° Horizontal 45° Vertical Efficiency: SPL@1m/1w: 96dB Low Frequency Driver: 2”- 6” Drivers, Large - AMT Air Motion Transformer™
SPECIFICATIONS: Speaker Size: 50mm Frequency Response: 20Hz-20KHz Impedance 40 Ω /Sensitivity 113 +/- 3dB at 1KHz1mW / Cable Length 1.2 & 2m Rated Input Power: 30mW Maximum Input Power: 50mW
