Audio Research I/50
The I/50 Integrated Amplifier is the first product in an all-new series from Audio Research.
Functionally simple, visually engaging, and musically sublime – the I/50 takes music listening to a whole new experience.
Hand-crafted in Minnesota, the Audio Research I/50 is built with the same attention to detail as all other Audio Research products – each one even gets its own listening test with sonic designer, Warren Gehl.
Available in six colours, the I/50 features Cerakote finishes for a beautiful and long-lasting look.
The modular design allows for the installation of two audio modules – a Phono Stage, and a D/A Converter (to follow in 2022).
The high current, 50 watt per channel amplifier is capable of driving a wide variety of speakers.
A headphone jack allows for personal listening time.
The I/50 is designed to be easy to use, and has three controls on its top panel – Power, Input, and Volume. Two LexieTubes® provide display information for input selection and volume.
A full-function metal remote control provides further functionality and operation.
The performance of the I/50 belies its compact design.
50 watts of all-vacuum tube power energise your speakers with beautiful and lifelike music.
Designed by the Audio Research engineering team and fine-tuned by their sonic designer, the I/50 has been given the same level of care and attention as their Reference Series products. .
The ability of the Audio Reesearch I/50 to reconstruct a musical experience will thrill and excite all who hear it.
The I/50 is a truly integrated product while providing renowned Audio Research performance and sound quality.
Specifications Audio Research I/50
Power Output: 50 watts continuous from 20Hz to 20kHz.
1kHz total harmonic distortion
typically 1% per channel, below 0.1% at 1 watt
Power Bandwidth: (-3dB points) 10Hz to 22kHz
Frequency Response: (-3dB points at 1 watt) 7Hz to 30kHz
Input Sensitivity: 1.25V RMS for rated output.
Input Impedance: 100K ohms Balanced, 48K ohms Single Ended
Output Polarity: Non-inverting. Balanced input pin 2+ (IEC-268)
Output Taps: 8 ohms, 4 ohms
Power Requirements: 105-130VAC 60Hz (210-250VAC 50Hz) 252 watts at rated output.
Tubes Required: 2 matched pair 6550WE; 3-6922 (1 input, 2 driver).
Dimensions:
Width 16.5” (42 cm)
Height 7.25” (18 cm)
Depth 13.5” (34 cm)
Weight: 40 lbs (18.1 kg); 51 lbs (23.1kg) shipping weight.
The company occupies a 48,000 square-foot, technically-advanced production plant and administrative headquarters in Maple Grove, Minnesota, where approximately 50 technical, assembly and support staff guide the product line from concept to finished goods. 
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