Rega Osiris Reference Level Integrated Amplifier
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- Official Hi-Fi Retailer since 1973
- Usually in stock and dispatched in 1-5 working days
We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
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You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
The Rega Osiris is Rega’s flagship integrated amplifier, created for customers who want true reference-level performance without moving to separate pre and power amplifiers. It is a no-compromise design built for serious two-channel systems, combining huge power with the kind of control, refinement and musical authority expected from a statement amplifier.
A big part of the Osiris appeal is the way it keeps the signal path deliberately simple while still delivering enormous drive capability. Rega uses a dual mono layout, passive preamplifier topology and a single stage of power amplification between the input and the speakers, helping the Osiris sound exceptionally direct, controlled and expressive. That makes it especially attractive for customers partnering ambitious loudspeakers and high-end sources.
The Osiris is also designed to feel every bit like the flagship it is. Its custom CNC-machined aluminium casework, reference remote handset and massive power supply all reinforce the sense that this is a genuinely serious long-term amplifier. For customers wanting a true end-point integrated amplifier with huge power and exceptional build quality, the Rega Osiris is a very compelling choice.
Key Benefits
- Flagship integrated design delivers true reference-level amplification in a single chassis
- 162 watts per channel into 8 ohms gives it the authority to drive demanding loudspeakers with ease
- Dual mono layout is designed to improve channel separation, stability and control
- Passive preamplifier topology helps keep the signal path simple and highly transparent
- Single stage of power amplification between input and speakers is intended to preserve clarity and musical directness
- Balanced XLR input adds useful flexibility for high-end source components
- Direct input makes it easier to integrate into more advanced systems
- Reference CNC-machined remote handset matches the premium feel of the amplifier itself
- Custom aluminium casework gives it strong long-term ownership appeal in a serious hi-fi system
- Lifetime manufacturers' warranty against manufacture defects
Technical Specifications
Amplifier Details
- Product Type: Stereo integrated amplifier
- Design: Dual mono integrated amplifier
- Amplifier Topology: Passive preamplifier circuit with single stage power amplification
- Power Output: 162 W per channel into 8 ohms
- Power Output: 250 W per channel into 4 ohms
- Inputs: 4 line inputs
- Balanced Input: 1 x XLR
- Additional Connections: Direct input, record out
- Gain: 44 dB
- Record Output: 215 mV into 100 k
- Frequency Response: 10 Hz (-1.7 dB point)
- THD & Noise: Less than 0.05%
- Power Consumption: 560 W
- Off Mode Power Consumption: 0.0 W
Construction & Power Supply
- Casework: Custom Rega CNC-machined aluminium case
- Output Stage: Eight Sanken 200 W output transistors in a triple high-current output stage
- Transformers: 2 x low-noise custom 400 VA toroidal transformers
- Smoothing Capacitors: 40,000 microfarads of Rega K-Power smoothing capacitors per channel
- Remote Control: Reference CNC remote handset
Weight & Dimensions
- Dimensions: 43.4 x 12.2 x 35.0 cm (W x H x D)
- Weight: 25.6 kg
What’s in the Box
- Rega Osiris integrated amplifier
- Reference CNC remote handset
- Reference mains power lead
- Product documentation
