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Description
Rega Osiris Integrated AmplifierRega Osiris Integrated Amplifier The Osiris is the culmination of 32 years experience in solid state amplifier development. A no compromise, super high performance, 162 W into 8 (250 W, 4 ), dual mono amplifier housed in a custom Rega CNC machined aluminium case. Regas flagship integrated amplifier Designed around minimalist high gain power amplifier and passive pre amplifier circuit topology, a passive volume control and a single stage of power
Rega Osiris Integrated Amplifier
The Osiris is the culmination of 32 years experience in solid-state amplifier development. A no compromise, super high performance, 162 W into 8 Ω (250 W, 4 Ω), dual mono amplifier housed in a custom Rega CNC machined aluminium case.
Rega’s flagship integrated amplifier
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. The Osiris is designed as the perfect partner for the rest of the reference range, such as the Isis CDP, Valve Isis CDP and Aura MC phono stage.
KEY FEATURES
- 162 W per channel into 8 Ω
- 4 line inputs
- 1 balanced input via XLR
- Reference CNC remote handset
- Direct input
- Record out
- Reference mains power lead
- Lifetime warranty against manufacture defects
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 W 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 400 VA 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.
TECHNICAL SPECIFICATIONS:
- Power Output
-
162 W per channel in to 8 Ω
- Input Sensitivity
-
160 W into 8 Ω, 250 W into 4 Ω
- Gain
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44 dB
- Record Output
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215 mV into 100 k
- Frequency Response
-
10 Hz (-1.7 dB point)
- THD & Noise
-
Less than 0.05%
- Power Consumption
-
560 W at 1125/230 V
- Dimensions (W x H x D)
-
434 x 122 x 350 mm
- Weight
-
25.6 kg
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy