NuPrime STA-9 Effektförstärkare Slutsteg Svart
DEMO - NuPrime Omnia S1 Nätverksspelare
NuPrime STA-9 Effektförstärkare Slutsteg
NuPrime STA-9 Effektförstärkare Slutsteg Svart
DEMO - NuPrime Omnia S1 Nätverksspelare
NuPrime STA-9 Effektförstärkare Slutsteg
NuPrime STA-9 Effektförstärkare Slutsteg Svart
DEMO - NuPrime Omnia S1 Nätverksspelare
NuPrime STA-9 Effektförstärkare Slutsteg
NuPrime STA-9 Effektförstärkare Slutsteg Svart
DEMO - NuPrime Omnia S1 Nätverksspelare
NuPrime STA-9 Effektförstärkare Slutsteg

NuPrime STA-9

Regular price 9 990 kr
Sale price 9 990 kr Regular price 9 990 kr
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Tillverkare: NuPrime
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  • Shipping Information

    Orders placed before 3 PM on weekdays are shipped the same day - Free shipping on orders over 1000:- (within Sweden)
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NuPrime STA-9 Effektförstärkare Slutsteg Svart

NuPrime STA-9
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Product description
NuPrime STA-9 is a 2 X 120 W class A+D stereo power amplifier, bridgeable to a 290 W mono amplifier. Designed with an improved harmonic circuit that mimics the most attractive characteristics of tube amplifier sound without suffering from the tubes' disadvantages and limitations. The STA-9's large, transparent, dynamic, and luxuriously textured soundstage is an experience.

  • Single End class A + D amplifier
  • Bridgeable, allowing switching between stereo or mono mode.
  • Improved H2 circuit (Even Order Harmonic) resembling the most attractive characteristics of tube amplifiers without their disadvantages and limitations.
  • Highly reliable in no-load condition and improved short-circuit protection.
  • High output current for speakers with low impedance.
  • Linear power supply with a high-efficiency toroidal transformer. Reduced high-frequency noise and improved low-frequency performance.
  • The signal path avoids coupling capacitors, providing a DC-level frequency response for a pure music experience.

The STA-9 amplifier is based on ULCAM (Ultra Linear Class A Module)+Class D design first introduced in the IDA-8. By combining a powerful, high-impedance amplifier circuit in the preamplifier stage with a well-integrated class D power stage, the STA-9 delivers a full, tube-like sound with the remarkable speed and clarity of NuPrime class D design. Audio enthusiasts are guaranteed to be impressed.

The NuPrime amplifier circuit improves the traditional class D design by using a self-oscillating circuit to generate pulse-width modulation. The amplifier switches at a frequency of 550 kHz, which is far above the compact disc sampling frequency of 44.1 kHz. Most class D amplifiers switch at 300 kHz or lower. The ensemble is complemented by NuPrime's linear power supply with a high-efficiency toroidal transformer for reduced high-frequency noise and better low-frequency performance. The damping effect of NuPrime isolation feet absorbs and interrupts vibrations that degrade sound performance. The overall result is an impressive transient speed and an almost shocking level of dynamics.

How did STA-9 mono achieve better sound characteristics, besides more power than STA-9 stereo?
The standard method to bridge a stereo amplifier to mono uses a series of op-amps (OPA) to invert the input signals to one of the stereo amplifiers, thereby creating an opposite phase, which can then be combined to increase power. Conversely, STA-9's innovative bridge circuit uses a design called Single-Ended Direct-Inject Bridge Technology, where the mono mode, besides delivering more than double the power, sounds livelier and more dynamic.

The NuPrime sound:
  • Expansive soundstage
  • Wide, lightning-fast dynamics
  • Ultra-low distortion and noise
  • The music emerges from a pure and unaltered background, with clear details and intact nuances

In summary, NuPrime's sound character clearly differs from — and even surpasses — the soft, pleasant sound we often associate with most tube amplifiers or the dry, clinically edgy sound we often associate with solid state and switching technology. It is rare for an amplifier to achieve an ideal balance between richly textured timbres and overtones, authority in the bass register, high dynamics, exquisite low-level detail, and a completely open, full-dimensional soundstage against a backdrop of vast silence.


Specifications:

  • Inputs:
  • RCA: Unbalanced input x 1
  • XLR: Balanced input x 1
  • Outputs:
  • Stereo speaker output x 1 or
  • Mono speaker output x 1
  • Other:
  • Power: 2 X 120W / 1 X 290W @ 8 & 4 ohm
  • Output power: 2 X 280 W / 1 X 320 W @ 8 & 4 ohm
  • Input impedance: 47k ohms
  • Input sensitivity: 232.8mV, 1W @ 8 ohm; 1.4V to nominal power
  • Gain: x 22 (x 42 for mono)
  • Signal-to-noise ratio: < -95dB at 1W, 10W, 100W
  • Dynamic range: -115dB to 0dB at 1kHz
  • THD+N: 0.02% (Stereo) / 0.01% (Mono)
  • Frequency response: 10Hz to 50kHz
  • AC voltage worldwide: (115 VAC / 230 VAC) with voltage selector switch
  • AC fuse: Slow, 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 230V outlet, the power consumption at idle is under 16W.
Shipping & Returns

If you shop for more than €150, we will ship free of charge!

If ordered before 3pm on weekdays, we will ship the same day, provided the item is in stock. Normal delivery time is 1-5 working days, but in case of high order intake or ordering of certain products, delivery may take longer. Should any of the goods you ordered be out of stock, we will notify you as soon as possible.

We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 14 days of delivery. When exchanging or purchasing a new item in connection with a return, we offer the return shipping.

What does our stock status mean?

- In stock - Shipped immediately the same day if order is received before 3pm (weekdays)

- 3-8 days - Available in stock at supplier and ordered home immediately

- 4-12 days - Available in stock at supplier and ordered home immediately

Safe Shopping

We offer a guarantee of at least 2 years for all products, and some goods are covered by an extended guarantee of up to 5 years. This way you avoid costly insurances and can be safe as a customer. If there is a problem during the warranty period, please contact us, and we will solve it quickly and smoothly.

- Versatile payment options and secure transactions. Invoice or partial payment with Klarna, card payment, etc.
- Fast deliveries: Orders received before 3pm are shipped the same day
- Safe delivery of products with reliable logistics partners (DHL & UPS)
- Price Guarantee to ensure our customers get the best possible deal
- Fast & professional customer service via e-mail and phone. (answer to e-mail within 24h)

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