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NuPrime STA-9 User Manual

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NuPrime
STA-9
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Summary of Contents for NuPrime STA-9

  • Page 1 NuPrime STA-9...
  • Page 2 Hereby, NuPrime Audio, Inc. declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2004/108/EC. The manufacturer of this product is NuPrime Audio, Inc., 1712 Pioneer Ave. Ste 1817, Cheyenne, Wyoming 82001, USA The Authorized Representative for EMC and product safety is NuPrime Audio, Inc., 1712 Pioneer Ave.

  • Page 3: Safety Instructions

    NuPrime Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems) This symbol on the product or on its packaging indicates that this product shall not be treated as household waste. Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment.
  • Page 4 NuPrime CAUTION: Never raise the sound volume level too high when using your device with earphones. An excessive sound volume level could cause damage to your hearing. WARNING: To reduce the risk of fire or electric shock, do not expose the unit to moisture or water.
  • Page 5 A comparison with traditional designs is mind-boggling. A NuPrime amp, small enough to sit on the palm of one’s hand, is, typically, 85% efficient – in practical terms, cool-running and easy on the utility bill.
  • Page 6 Manufacturers invariably choose to quote the most flattering numbers, typically measured at 1 watt. In reality, when power demands increase, so does distortion and noise. NuPrime employs patent-pending technologies that cancel distortion at every cycle of operation. NuPrime amps maintain the same low distortion characteristics at every output level and audio frequency.
  • Page 7 NuPrime Introduction The NuPrime STA-9, a 2 X 120W Class A+D stereo amp, bridgeable into a 290W mono amp, is designed with enhanced even-order harmonic circuitry that mimics the most attractive features of tubed-amp sound without incurring tubes’ drawbacks and limitations. The STA-9's spacious, transparent, dynamic and luxuriously textured soundstage has to be heard to believe.
  • Page 8 NuPrime The NuPrime amp circuit improves on traditional Class-D design by using a self-oscillating circuit to generate pulse-width modulation. The amplifier switches at a frequency of 550kHz, well beyond the compact disc’s 44.1kHz sampling rate. Most class-D amps switch at 300kHz or lower. Completing the ensemble is NuPrime's new linear power supply with its high-efficiency toroidal transformer for reduced high-frequency noise and strengthened low-frequency performance.

  • Page 9: Specifications

    Music emerges from a pristine background, with delicate details and nuances intact • In summary, NuPrime’s sonic character stands well apart from – and indeed above – the soft, cushy sound we often associate with most tubed amplification or the dry, clinically edgy sound we often associate with solid-state and switching technology.

  • Page 10: Stereo Connection

    All STA-9s are shipped with the switch set to 230V AC in order to prevent accidental damage. Turn ON the AC power switch at the rear of the unit. The STA-9 will now be in standby mode. Blue LED indicator lights up on the front panel.

  • Page 11: Mono Connection

    NuPrime Make sure the Stereo/Mono switch is switched properly to STEREO. Choose either XLR balance or RCA Unbalance connection from the source. Connect stereo speakers to the output terminals. Mono Connection: Make sure the Stereo/Mono switch is switched properly to MONO.
  • Page 12 OBTAINING WARRANTY SERVICE If you purchased the product in the U.S., deliver the product, at your expense, to any NuPrime Service Center located in the U.S. If you purchased the product outside of the U.S., deliver the product to any NuPrime Authorized Importer in the country where you purchased the product.
  • Page 13 NuPrime been modified without the written permission of NuPrime; (d) to consumable parts, such as batteries, or protective coatings designed to diminish over time unless failure has occurred due to a defect in materials or workmanship; (e) to cosmetic damage, including but not limited to scratches, dents, and broken plastic on ports;...

This manual is also suitable for:

Hpa-9