Rega Osiris-R Integrated Amplifier

Integrated amplifier

Remote control

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Manufacturer : REGA

8 889,00 €

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Description

REGA, alongside ARCAM, has been a specialist in affordable integrated Hi-Fi amps for over 25 years now. And unlike the majority of its rivals, the brains behind the operation, Roy Gandy, has never given in to the temptation to outsource production to China. Everything is meticluously crafted and assembled by hand in Rega’s homegrown UK factory. 

But Rega decide to venture into what has traditionally been American and Japanese territory when it released the no-holds-barred Rega Osiris R integrated amplifier.

This amp has a large housing made from a single piece of solid aluminium, which explains its impressive 25kg weight! This may sound very large, but these dimensions are actually very reasonable for a good quality integrated amp. The front panel has a certain understated, regal charm, with just a large volume potentiometer, a display screen, and two grey aluminium buttons for selecting one of the device's 5 inputs. The first is a symmetrical XLR input. The other four (asymmetrical) are traditional RCA plugs. And on top of that, it has an input/output for monitoring or a headphone amp like the REGA EAR.  The REGA Osiris R has a preamp output to connect it to a power amplifier or active subwoofer. It also has a direct input for connecting the Osiris R to a multi-channel system, which is fairly uncommon in an amp. Of course the REGA Osiris R amplifier is only designed for use with one pair of speakers. It comes as standard with the aluminium Rega Solaris remote control which has been specifically designed for this device. The quality of the connectors easily lives up to the high ambitions of the product.

When you take a look inside the housing, this amplifier is full to the rafters! The power stage is made up of 4 powerful Sanken transistors per channel, arranged symmetrically. Two imposing 400VA toroidal transformers each power the left and right channels separately. They work together with a filtering system made up of 4 high capacitance Nichicon capacitors (over 40,000 microfarads!). All of this allows the REGA Osiris R to deliver over 160W per channel with 8-ohm speakers, and over 250W with a pair of 4-ohm speakers! This preamplifier is completely passive, so as to preserve the maximum amount of definition and neutrality. All of the other components are flawless and easily live up to the high ambitions of the Osiris.

Naturally, we tested the Osiris with the source it was designed for, the REGA ISIS CD player. In many ways, this amplifier is the ultimate integrated amplifier. It clearly prizes the music and musicians above all else. The sound quality is nuanced and particularly articulate when it needs to be. But it can also be incredibly dynamic and physical when the music demands it. You could easily listen to the Osiris R for hours without any sign of listener fatigue, even at high volumes. It knows how to handle all kinds of speakers, and especially subwoofers. The midrange is very informative. It boasts superb timbre and remarkable presence. The treble blends in perfectly with the other registers and stays true to the brand’s philosophy. It is precise and flies high, without a hint of harshness. Together, the Isis and Osiris are a force to be reckoned with! We tested this combo out on a number of different high-end speakers (B&W, Wilson Audio, Sonus Faber, etc.), and each setup produced results that were quite simply remarkable!

 

The Osiris R integrated amplifier is the fruit of over 30 years of dedicated experience in the audio reproduction world. And it shows! This product is an absolute industry benchmark

Franck

Power under 8 ohms: 162 W

Frequency response: 10 Hz – 75 KHz

Line inputs: 4 x RCA and 1 x XLR

Record input/output

Gain direct input: 44 dB

Distortion: <0.05%

Line input sensitivity: 220 mV

Weight: 25.6 kg

Dimensions: 12.2 x 43.4 x 35 cm

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