NuPrime STA-9 power amplifier120Wx2 (8 ohms) &290W Mono

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NuPrime STA-9 power amplifier120Wx2 (8 ohms) &290W Mono

Manitoba, Winnipeg

900.00 $

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Description : 09 Apr, 2023

STORE LOCATION: 545 TELFER St S, Winnipeg, MB R3G 2Y4

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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 believed.

The STA-9 amplifier is derived from the ULCAM (Ultra Linear Class A Module)+Class D design first introduced in the IDA-8. By joining a powerful high impedance singled ended amplifier circuit in the preamp stage with a well integrated Class-D power stage, the STA-9 delivers a rich tube-like sound with the remarkable speed and clarity of NuPrime Class-D design. Audio enthusiasts are bound to be impressed.

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 pact 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. The damping effect of the NuPrime isolation feet (patent pending) absorbs and cancels vibrations that degrade audio performance. The overall result is unprecedented transient speed and an almost shocking level of dynamic impact.

The STA-9's frequency response to 50 kHz elevates vocals into emotional experiences; similarly, instrumental upper registers mimic a live performance’s shimmering heights.

FEATURES Single End Class A + D amplifier design Bridgeable allowing switch between stereo or mono mode. Enhanced even-order harmonic (H2) circuitry resembling the most attractive features of tubed-amp sound without its drawbacks and limitations. Highly reliable under no-load condition and enhanced short circuit protection. High output current drive capability for low impedance speakers. 550 KHz switching frequency for accurate reproduction of musical signal. New linear power supply with a high-efficiency toroidal transformer. Reduced high-frequency noise and strengthened low-frequency performance. Signal path avoids cross-linking capacitors, thus achieving a frequency response at DC level for pure musical enjoyment. THE NUPRIME SOUND Vast soundstage Wide, lightning-fast dynamics Ultra-low distortion and noise 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. Rarely does an amp achieve an ideal balance of richly textured timbres and harmonics, bottom-end authority, startling dynamics, exquisite low-level detail, and a fully revealed, fully dimensional soundstage against a backdrop of mile-deep silence.

SPECIFICATIONS: Power: 2 X 120W / 1 X 290W @ 8 & 4 Ohms Peak Output Power: 2 X 280W / 1 X 320W @ 8 & 4 Ohms Input Impedance: 47k Ohms Inputs: 1 x Unbalanced RCA & 1 x Balanced XLR Outputs: Stereo Speaker Out x 1 or Mono Speaker Out x 1 Gain: x 22 Signal to Noise Ratio: < -80dB at 1W, 10W, 100W THD+N: 0.02% (Stereo) / 0.01% (Mono) Frequency Response: 10Hz to 50kHz Worldwide AC voltage: (115 VAC / 230 VAC) with Voltage Select Switch AC Fuse: Slow-blow, 3A, 250VAC Dimensions: 235 mm W x 281 mm D x 55 mm H (including feet) Weight: 4.75 kg Color: Black or Silver In a 110V outlet, the idle-power consumption is below 14W. In a 230V outlet, the idle-power consumption is below 16W

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Keywords : Buy & Sell | Audio | Stereo Systems & Home Theatre | Manitoba | Winnipeg

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