Rega io
Image source — © Rega
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Model name
io
Type
Integrated Amplifier with Phono
Analog inputs (balanced)
N/A
Analog inputs (single-ended)
2 + 1 (Phono)
Input sensitivity (mV)
210 + 2.1 (Phono)
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
47 000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
D/A conversion
N/A
Phono MM/MC current-sensing input impedance (Ω)
47 000
Output power (8Ω) (W)
30
Output power (4Ω) (W)
N/A
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
12
Frequency response high +/- 3dB (Hz)
43 000
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (%)
N/A
Damping factor
N/A
Dimensions (mm)
180 x 68 x 290
Weight (kg)
2.9
Official link
The body of this 25-kilogram amplifier is made of anodized aluminum and machined on CNC machines. Two cooling radiators are hidden behind its side walls. The facade design is composite, i.e. it is formed by the ends of the top cover and the base, as well as the inserts, between which there is a polished panel with a two-line display, two triangular input selector buttons and a stylish volume knob. A power switch made in the form of an oblong key is installed at the junction on the left side. When pressed, the LED with the company's logo located at the bottom of the front panel lights up. The kit includes a universal aluminum remote control.
The output power of the new product will be 125 watts per channel when operating at a load of 8 ohms. Four Sanken transistors in the Darlington configuration are installed in each channel, and the pre-amplifier is made on JFet transistors.
Made in a classic design, the amplifier develops a power of 105 watts at a resistance load of 8 ohms. The functional equipment includes a built-in phono corrector for heads with a movable magnet, a digital-to-analog converter on a Wolfson chip and an output to headphones. The preamp section uses a circuit based on FET transistors from the top-end Rega Aethos amplifier, and Sanken transistors are installed in the output stage.
The Rega Elex Mk4 output stages operate in Class AB and provide 72 watts for each channel when operating on a load with a nominal resistance of 8 ohms and 90 Watts for 6 ohms.
The Brio Mk7 integrated amplifier offers 50 watts per channel and is equipped with a phono preamplifier for working with both moving magnet (MM) and moving coil (MC) cartridges. But now the new product is equipped with a built-in DAC unit.