Rega

Aethos

Introduced 2019$5,395 MSRP

The Rega Aethos is a dual-mono, high-power Class A/B integrated amplifier that sits at the top of Rega's amplification range, built around discrete Class A polarized FET preamp stages and a substantial toroidal power supply. First shown as a prototype at the Bristol Hi-Fi Show in February 2019, it was designed as a "no-compromise" reference integrated with minimal feature clutter, favoring pure amplification over digital extras.

MSRP

$5,395

Used market · Good

$3,229

-40% vs MSRP

as of Sep 1, 2026

Sell or trade this Add to my system

MSRP to used market

From $5,395 at launch to $3,229 today.

Specifications

Inputs: 5 stereo RCA line-level inputs; 1 tape loop; power amp input; preamp output
Weight: 17.5kg (38.6 lbs)
Dimensions: 433mm W × 95mm H × 360mm D
Phono stage: None built-in
Power output: 125W RMS per channel into 8Ω; 156W RMS per channel into 6Ω
Record output: Record output level (with rated input levels) 219 mV Record output impedance 560 Ω
Pre amp output: Pre-amp output level (with rated input levels) 840 mV Pre-amp output impedance 100 Ω
Preamp topology: Discrete Class A polarized (FET) circuits
Headphone output: 6.35mm front-panel jack; 32Ω at 2.7V, 54Ω at 4V, 300Ω at 9V
Power management: For best audio performance this product needs to reach an optimum temperature for the bias current to stabilise. Therefore, this product does not include a power management function Please note : leaving this product on for long periods will result in increased energy consumption.
Power consumption: 415 W
Power consumption in off mode: 0.0 W
Power outputs at rated 230 115 v supply voltage: 125 W RMS both channels driven into the rated load of 8 Ω 156 W RMS both channels driven into 6 Ω