---
product_id: 55153104
title: "The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design)"
brand: "nuprime"
price: "€ 13.52"
currency: EUR
in_stock: false
reviews_count: 2
url: https://www.desertcart.ie/products/55153104-the-sta-6-stereo-amplifier-high-end-class-a-d
store_origin: IE
region: Ireland
---

# 47k Ohm Impedance > -90dB SNR 2 x 90W Power The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design)

**Brand:** nuprime
**Price:** € 13.52
**Availability:** ❌ Out of Stock

## Summary

> 🎉 Elevate Your Sound Experience!

## Quick Answers

- **What is this?** The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design) by nuprime
- **How much does it cost?** € 13.52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/55153104-the-sta-6-stereo-amplifier-high-end-class-a-d)

## Best For

- nuprime enthusiasts

## Why This Product

- Trusted nuprime brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Power:** Experience 2 x 90W of pure audio bliss, bridgeable to 160W!
- • **Harmonic Perfection:** Enjoy enhanced even-order harmonic circuitry for a sound that's both neutral and warm.
- • **Award-Winning Design:** Join the elite with a product that has won 5 Product Of The Year Awards!
- • **Versatile Connectivity:** Connect effortlessly with dual RCA inputs and flexible speaker outputs.
- • **Whisper-Quiet Performance:** With a signal-to-noise ratio of > -90dB, your music will shine without distractions.

## Overview

The STA-6 Stereo Amplifier by NuPrime is a high-end Class A+D hybrid amplifier that delivers exceptional audio quality with 2 x 90W power, award-winning design, and advanced circuitry for a rich, warm sound. It features versatile connectivity options and a remarkably low noise ratio, making it a top choice for audiophiles.

## Description

NuPrime audiophile quality commercial products are typically not sold in retail stores.  Class A+D Stereo Amplifier (2 X 90W) bridgeable into a 160 watt Mono Amplifier. STA-6 is designed with enhanced even-order harmonic circuitry that produces sonic characteristic similar to NuPrime STA-9, but leaning toward neutral with a slight hint of warmth. The STA-6's spacious, transparent, dynamic and luxuriously textured soundstage has to be heard to believed. The STA-6 amplifier is derived from the Single End Class A Module + Class D design first introduced in the STA-9. By joining a powerful high impedance singled ended amplifier circuit in the preamp stage with a well integrated Class-D power stage, the STA-6 offers the richness of Class A 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 500kHz, well beyond the compact disc’s 44.1kHz sampling rate. Most class-D amps switch at 300kHz or lower. A new low noise switching power supply is designed specifically to complement the STA-6 amplifier. The overall result is unprecedented transient speed, smooth with lots of details and an almost shocking level of dynamic impact. The STA-6's frequency response to 50 kHz elevates vocals into emotional experiences; similarly, instrumental upper registers mimic a live performance’s shimmering heights. The STA-6 is designated for NuPrime Commercial product line and it is designed to be highly reliable under no-load condition and enhanced short circuit protection.

## Features

- A true high end amplifier from NuPrime (won 5 Product Of The Year Awards). STA-6 is designed with enhanced even-order harmonic circuitry that produces sonic characteristic similar to NuPrime STA-9, but leaning toward neutral with a slight hint of warmth.
- Inputs: RCA x 2; Outputs: Stereo Speaker Out x 1 or Mono Speaker Out x 1
- Power: 2 x 90W bridgeable into 1 x 160W @ 8 & 4 Ohms. Same power at 8 & 4 Ohms as the output power is limited by the power supply.
- Input Impedance: 47k Ohms, Gain: x 28
- Signal to Noise Ratio: > -90dB at 1W, 10W, 100W; THD+N 0.01%

## Images

![The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design) - Image 1](https://m.media-amazon.com/images/I/51+urqvwDyL.jpg)
![The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design) - Image 2](https://m.media-amazon.com/images/I/511Imn5xZEL.jpg)
![The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design) - Image 3](https://m.media-amazon.com/images/I/51YoF8dtj8L.jpg)
![The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design) - Image 4](https://m.media-amazon.com/images/I/512otWkyj+L.jpg)
![The STA-6 Stereo Amplifier (High End Class A+D Hybrid Design) - Image 5](https://m.media-amazon.com/images/I/51T2rOSKQrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    The Little Amp That Could...
  

*by P***Z on Reviewed in the United States on February 5, 2019*

I really wasn't wanting to spend $450 on an amplifier that I have never listened to before. Money's a little tight and I was having a hard time figuring out how I was going to find a decent audiophile stereo amp without buying one older than 25 years of age and needing restoration. My brother owns a pair of STA-9's used as mono blocks and are rather impressive. So, I decided with my measly tax return, to purchase an STA-6 and use in stereo mode to power my, dare I say Sony SSCS5 bookshelf speakers. Needless to say, this amp is a keeper. It literally sounds like a big, beefy power amp. Lots of grunt and oomph when needed. It's neither bright nor dull.. It just sounds fantastic! Vocals, both male and female are perfect. Midrange that's as smooth as butter. Soundstage thats huge and deep. Dead silent background. My vinyl has never sounded better. This was one purchase that was worth every penny.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Don't let "Class D" scare you away--this is an exceptional amplifier, and another NuPrime victory.
  

*by H***Y on Reviewed in the United States on April 2, 2019*

Jason Lim and his NuPrime brand have a history of providing superb customer service and truly excellent gear at remarkably affordable prices. Happily, the STA-6 upholds that tradition in splendid style. Anyone who categorically dismisses Class D amplification owes it to him or herself to audition the STA-6, which seamlessly unites the body, depth and overall 'dimension' of Class A with the articulation, detail and speed of Class D. I'm currently using a single STA-6 in stereo mode to drive a pair of JBL Studio 590's (world-class loudspeakers, by the way) and the resultant experience is one of pure emotional engagement with the music. Bravo, Mr. Lim and NuPrime!

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-25*