Rega Aethos Stereo amplifier

Name: Rega Aethos Stereo amplifier
Brand: Rega
Price: 8500.00 NZD
Availability: InStock

$8,500.00

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The Rega Aethos is the pinnacle of Rega's amplifier engineering — a pure, uncompromising integrated amplifier built for those who believe music deserves nothing less than the truth.

Whether paired with Rega's own turntables and speakers or as the heart of a carefully curated system, the Aethos is an amplifier that rewards you every time you sit down to listen.

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Specifications

Power Outputs: 125 W RMS both channels driven into the rated load of 8 Ω
156 W RMS both channels driven into 6 Ω

Record output level (with rated input levels): 219 mV
Record output impedance: 560 Ω
Pre-amp output level (with rated input levels): 840 mV
Pre-amp output impedance: 100 Ω
Dimensions (W x H x D): 433 x 95 x 360 mm (including speaker terminals)
Weight: 17.5 kg

The Rega Aethos delivers an exceptional combination of insight, dynamics and rhythmic precision to produce class-leading sound

What HiFi

Design Innovation

As part of the Aethos design, Rega have included useful features such as the switchable direct input and preamplifier output, to enable the new Aethos amplifier to be used in a wide combination of systems. The headphone socket has been integrated such that the speaker switching is performed by the output mute relay as so not to obstruct the signal path and degrade the sound quality.

Rega have taken the design concepts underpinning the multi award winning and hugely successful Elex-R and Elicit-R and propelled the performance to the next level and beyond with a 125watt dual mono design with features such as fully discrete FET based line amplifier, polypropylene capacitors throughout the signal path, K-Power reservoir capacitors, power amplifier regulated supply and a high current output stage comprising of four 160w Sanken output transistors per channel.

Power packed

Inside, you'll find a custom-designed toroidal transformer, a fully discrete signal path, and Rega's signature commitment to simplicity — no unnecessary circuitry, no digital processing, nothing standing between you and your source. The result is an amplifier that is strikingly transparent, with a soundstage that breathes, detail that reveals itself naturally, and a rhythm and timing that makes it genuinely hard to stop listening.

The Aethos features five line-level inputs, a high-quality headphone output, and a preamplifier output for added system flexibility. Its understated, precision-machined casework reflects the same philosophy as the electronics within — elegant, purposeful, and built to last.

Who is this for?

The Rega Aethos is designed for dedicated audiophiles who prioritise pure analogue performance above features or connectivity. Delivering 125 watts per channel into 8 ohms through a fully discrete dual-mono inspired design, the Aethos focuses entirely on signal purity and musical realism.

Unlike many modern integrated amplifiers, the Aethos omits built-in digital sections entirely. Everything about it is engineered around amplification quality, from its oversized toroidal transformer to its carefully optimised analogue signal path.

It’s best suited to revealing high-end systems with quality external DACs, turntables, or streamers already in place. In those systems, the Aethos delivers exceptional openness, texture, and dynamic freedom while maintaining the natural, rhythmically coherent presentation that long-term music lovers value.

At Soundline, the Aethos is often demonstrated for customers wanting the emotional engagement of high-end separates in a simpler single-box amplifier.

What is the Rega Aethos Stereo Amplifier designed to do?

The Rega Aethos is a high-performance stereo integrated amplifier designed to deliver powerful, transparent, and musically engaging amplification. It sits near the top of Rega’s integrated amplifier range and is intended for serious hi-fi systems that demand both control and refinement.

What makes the Rega Aethos different from other integrated amplifiers?

The Aethos uses a dual-mono power amplifier design with a high-current output stage, giving it excellent speaker control and dynamic capability. Its circuit is deliberately minimal in the signal path to preserve detail, timing, and musical flow.

How powerful is the Rega Aethos?

It delivers around 156W per channel into 8Ω and up to 250W into 4Ω, giving it enough power and current to drive a wide range of demanding loudspeakers with authority.

What type of sound does the Rega Aethos produce?

The Aethos is known for a fast, open, and highly dynamic sound, with strong bass grip, excellent midrange clarity, and a natural, unforced presentation that prioritises musical engagement over artificial warmth.

Does the Rega Aethos include a DAC or phono stage?

No. The Aethos is a purely analogue integrated amplifier with no built-in DAC or phono stage, allowing users to choose dedicated external components for those functions.

What inputs does the Rega Aethos include?

It offers multiple line-level inputs, including balanced XLR inputs and single-ended RCA inputs, making it suitable for both traditional and high-end balanced systems.

Can the Rega Aethos drive difficult speakers?

Yes. Its high-current output stage and robust power supply allow it to maintain control over difficult loads, making it suitable for a wide range of floorstanding and high-end bookshelf speakers.

What makes the Aethos power supply important?

It uses a large toroidal transformer with substantial power reserves, helping maintain stability, control, and dynamic headroom during demanding musical passages.

How does the Aethos compare to Rega’s Brio or Elex models?

The Aethos is significantly more powerful, more refined, and more controlled, with a far more sophisticated circuit design and greater ability to drive high-end loudspeakers.

What type of speakers pair well with the Aethos?

It works best with high-quality, revealing speakers, including larger standmounts and floorstanders that benefit from strong control and dynamic authority.

Is the Rega Aethos suitable for vinyl and digital systems?

Yes. Since it is a pure analogue integrated amplifier, it works equally well with high-quality turntables, DACs, and streamers via external source components.

What type of music does the Aethos excel with?

It performs exceptionally well across all genres, including rock, jazz, classical, and electronic music, where dynamics, timing, and clarity are important.

What makes the Aethos design philosophy important?

Rega prioritises signal path simplicity and low component count, reducing distortion and phase shift to preserve the natural timing and flow of music.

Is the Rega Aethos suitable for high-end systems?

Yes. It is designed for high-end two-channel systems where users want reference-level performance from an integrated amplifier without moving to separates.