REGA

The Aethos stereo amplifier is housed in a brand new custom designed case.
Employing four 160 W 16 Amp output transistors per channel, this delivers
156 W per channel into 6 Ω.
The Aethos is a dual mono design using a custom wound toroidal transformer
and regulated supplies for the sensitive amplification and driver stages.
The pre-amplifier stage uses class-A discrete circuitry throughout.
The Aethos is a no compromise product with one goal, to deliver your music
as faithfully as possible.
The Aethos has been built to Rega’s high standards of reliability and quality to
ensure many years of musical enjoyment.

DESIGN INNOVATION

Our time, effort & money have been spent on developing the circuit and construction,
utilizing the highest specification of components throughout.
As part of the design we 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 has 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.

REVIEWS

"This is an amplifier that possesses huge reserves of depth, detail and definition."
HIFI CHOICE December 2019

"It doesn’t matter what kind of speaker you are using, Rega's Aethos gives you a unique combination
of engagement, enthusiasm and joy.
Fantastic sound quality, highly musical, and excellent balance."
Stereo + December 2019

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

Note: Continued high level use into 6 Ω may cause the case to exceed 40 °C
above the ambient temperature and activate the thermal shutdown.

Headphone output:

No load 12.5 V

32 Ω 2.7 V

54 Ω 4 V

300 Ω 9 V

Source impedance 109 Ω

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

Input sensitivities for rated output level:

Input 1-5 and record input sensitivity 224 mV @ 17 kΩ

Maximum input level 11.5 V (record output amplifier overload point)

Direct input sensitivity 840 mV @ 50 kΩ

Power amplifier gain 31.6 dB

Frequency response @ 100 W into 8 Ω:

Line input 1-5 and record 10 Hz (-0.8 dB point) to 30 kHz (-0.5 dB point)

Direct input 10 Hz (-0.8 dB point) to 50 kHz (-0.5 dB point)

THD+Noise @ 100 W into 8 Ω:

Direct input (Power amplifier only) Typically 0.007% @ 1kHz (measurement bandwidth 22 Hz to 30 kHz)

Line input :
Typically 0.007% @ 1kHz (measurement bandwidth 22Hz to 30KHz)

Power consumption:
Maximum output: 415 W @ 230 V / 220 V / 115 V / 100 V into the rated load of 124 W RMS into 8 Ω

Fuse ratings:
T3.15 AL 250 V - 230 V/ 50 Hz and 220 V / 60 Hz

T6.3 AL 250 V - 115 V / 60 Hz and 100 V 50/60 Hz

REVIEWS

"This is an amplifier that possesses huge reserves of depth, detail and definition."
HIFI CHOICE December 2019

"It doesn’t matter what kind of speaker you are using, Rega's Aethos gives you a unique combination
of engagement, enthusiasm and joy.
Fantastic sound quality, highly musical, and excellent balance."
Stereo + December 2019

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