Price unknown (1 unit, around 1970 s?) A bookshelf speaker system from the Tempest series. The unit and network are the same type as the LS4, with a small Hail driver for the high band, a 25 cm cone woofer and a 25 cm passive radiator for the low band.

ESS Laboratories has been a leader in the audio industry since the mid-1970s providing home speakers and headphones with sound as clear as light™.

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Dec 25, 2008 · In my opinion, the Heil should be used solely as a high tweeter in a multiple driver system. As previously mentioned, the ragged response below 2000 hz and the uneven response in the 2k to 4k range, necessitate serious equalization to achieve a flat output.

This unique midrange-and-up driver that literally squeezes the air from its pleated diaphragm has been widely acclaimed for its transient response and power-handling capability. A new Heil AMT-dubbed the Power Ring-makes its appearance in the ESS Tempest LS speakers.

May 9, 2019 · Manufacturer: ESS; Model: Tempest LS-5; Years of manufacture: 1978 - 1986; Made in: USA; Original price approx.: 999 DM per piece; Technical data. Special Features ' ESS Air Motion Transformer => sensational transparency in the high frequency range; Tweeter adjustable to room acoustics via potentiometer in the crossover circuit; Remarks

Sep 2, 2024 · A pair of ESS, LS5 Tempest speakers with the famous Heil AMT (Air Motion Transformer ) tweeter. All original drivers - AMT tweeters and Alnico woofers. Woofers and passives are both 10 inches.

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