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Summer NAMM 2000



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ST & LT Series Amplifiers



The new ST and LT Series amplifiers are very versatile, they have been designed from the ground up for use in fixed installations, night clubs, mobile DJ's, A/V rentals, MI/Pro Audio, and regional sound companies.

What makes ST series amplifiers different is the switch mode power supply that was two years in the making. ST Series amplifiers are full class D amplifiers with switching power supplies, that employ a resonant, zero-power switching technology. This switching technology results in an amplifier that sounds like a classic linear supply without the size, weight, and thermal waste. Long term reliability and efficiency is significantly improved, plus a 20dB lower noise floor is achieved. Best of all, ST amplifiers are built with large storage capacitors in the power supply, which contribute to solid low frequency performance. This is why common switch mode amplifiers fail to deliver real dynamic low frequency performance. Topping off at 1000 WPC @ 4 ohms, the largest model, ST2000, weighs in at just 24 pounds in 2 rack spaces.

All ST Series amplifiers have a frequency response of 10 Hz-20 kHz with THD less than 0.05% at rated power.

The ST Series line up:

  • ST500 (250 w/ch @ 4 ohms)

  • ST1000 (500 w/ch @ 4 ohms)
  • ST1500 (750 w/ch @ 4 ohms)
  • ST2000 (1000 w/ch @ 4 ohms)

The LT Series features Crest's next generation Linear Power Supply combined with a Class D amplifier to deliver high output in an extremely compact package. The LT Series linear-toroid transformers are not as large or as heavy as traditional linear supplies because they are coupled with our new Class D output stage that's 93% efficient. The LT Series performs consistently during the most demanding situations, delivering all the power you'd expect, without sonic compromise.

All LT Series amplifiers have a frequency response of 10 Hz-20 kHz with THD less than 0.05% at rated power.

The LT Series line up:

  • LT500 (250 w/ch @ 4 ohms)

  • LT1000 (500 w/ch @ 4 ohms)
  • LT1500 (750 w/ch @ 4 ohms)
  • LT2000 (1000 w/ch @ 4 ohms)

LT and ST features include:

  • Switching power supply - ST, Linear-toroid power supply - LT

  • Class D switching output stage
  • Proprietary Crest Tour-Class protection circuits
  • Reduced weight
  • Single-tunnel fan cooling with back-to-front air flow
  • Balanced female XLR 1/4" TRS and phoenix style input connectors
  • Speakon & binding posts output connectors
  • Input signal ground-lift switch
  • Rear panel circuit-breaker
  • Recessed & stepped attenuators
  • Heavy duty 16-gauge steel chassis
  • Die-cast aluminum front panel (ST)

For more information on the full range of Crest products, contact:
Crest Audio,
100 Eisenhower Drive
Paramus, NJ 07652
Tel: 201/909 8700
Fax: 201/909 8744
Web: http://www.crestaudio.com/

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