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*across a select range of products for a limited time
Introducing Rega’s flagship integrated amplifier, the Osiris.
The Osiris is the culmination of 32 years’ experience in solid-state amplifier development. A no compromise, super high performance, 162 Watts into 8 Ohms (250 Watt 4 Ohms), dual mono amplifier housed in a custom Rega CNC machined aluminium case. Designed around "minimalist" high gain power amplifier and "passive pre-amplifier" circuit topology, a passive volume control and a single stage of power amplification between the input and the speakers, the Osiris offers unrivalled performance and build quality.
All these features combine to create the supreme level of performance found in the Osiris and provide a perfect partner for our Isis CD player. We hope that you enjoy this product as much as we have enjoyed creating it.
Technology
The Osiris uses a low distortion high linearity and a bandwidth common base voltage amplifier driver stage. This type of symmetrical circuit topology will provide the necessary voltage swings to enable the Osiris to drive any speaker system with the minimum of distortion. Eight Sanken 200 Watt output transistors are used in a "triple" high current output stage enabling the Osiris to drive even the most awkward of speaker systems with ease. The cascoded differential input amplifier uses two low noise LED referenced current generators. The open & closed loop feedback levels and gain bandwidth product components are optimised to give a tight and controlled sound stage, especially at the low frequency end of the audio range. Nichicon audio grade capacitors are used in bypass and de-coupling positions. Electrolytic capacitors have been bypassed with polyester capacitors where necessary, improving on the HF performance. Low inductance film SM power resistors are used in the output stage.
Power Supply
The Osiris uses two low noise, purpose designed 400VA toroidal transformers using high-grade, fully bonded core material. The transformers are mounted to the chassis using Rega's innovative mounting technique which eliminates noise being transferred from the transformer to the case when the transformers are operating under arduous mains (line) conditions with high levels of asymmetric mains (line) distortion.
These transformers combined with 40,000 Micro Farads of Rega K-Power smoothing capacitors per channel, provide more than enough current to drive the hardest of loads. All the power supplies utilise fast recovery rectifier diodes throughout. (Fast diodes generate less high frequency switching noise therefore giving rise to a cleaner DC).
The input and low-level driver stages are fed from a regulated symmetrical tracking power supply with a low noise voltage reference, which provides a fully stabilised low noise voltage, ensuring the highest level of sonic purity. All the dedicated audio power supplies feed only the audio circuits. The input switching, display & micro controller and protection circuits have their own dedicated supplies, keeping the audio signal path as pure as possible.
Specifications at 160w into 8Ω
Shipping and Delivery Policy
Delivery is within New Zealand only, using Toll New Zealand unless otherwise specified. We do not ship outside New Zealand.
Our shipping rates are:
We are as transparent as possible about our shipping prices and delivery times, however, there are many variables that will affect the shipping rate, especially when shipping large items or shipping to rural locations. Please feel free to call us about your particular needs on 04 385 8353.
Estimated Delivery Time:
Orders are generally dispatched within 1-2 business days after your order and payment have been received. Please feel free to contact us for more information.
Orders are dispatched from our warehouses in either Wellington or Auckland. Delivery times may vary to each location. As a general guide, please see below.
Please note that the above times are for general (non-Christmas) periods - contact us for Christmas period delivery estimates.
Other Information:
All our products are supplied by New Zealand based Distribution companies, so all warranties are supported within New Zealand. On rare occasions the distributor may be out of stock or a product has become obsolete and there are no more available in New Zealand to replace your unit, so there may be a shipping wait for a replacement to arrive from overseas. If no replacement can be sourced then either an alternative product or credit will be offered.