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CATALOG
Rega I
Rega I
Rega I
Rega I

Description

The Rega IO is a compact 30W per channel into 8Ω stereo integrated amplifier , designed for those who want the Rega sound in a small space. It uses the same power stage and moving magnet phono stage as the Brio, with a class A/B circuit , Sanken power transistors, Alps volume pot and linear power supply.

Do you need an external phono preamp to connect a turntable to the Rega IO? No: Input 1 is a phono input for moving magnet cartridges , with a ground terminal for tonearms that have a separate ground wire. The other two RCA line inputs accommodate a CD player, streamer, or any source with an analog output.

On the front is a 3,5mm headphone output , relay-driven by the power amplifier: the signal doesn't degrade when headphones are plugged in or the power is muted, and the speakers automatically mute. A Rega mini system remote control is included. Rega recommends 6-8Ω speakers; it will also work with 4Ω loads, but the chassis will run hotter.

It's a hi-fi turntable amplifier suitable for a first system or a second room, together with a turntable with an MM cartridge and a pair of bookshelf speakers. To stabilize the bias current, it must remain at room temperature, which is why it doesn't have an automatic switch-off. Rega offers a lifetime warranty on manufacturing defects.

Specifications

RMS power per channel 30 W
Amplification type class AB
Reference load 8 ohm
Stadio phono MM
Analog inputs 1 MM phono, 2 RCA line
Line input sensitivity 210 mV into 47 kΩ
Input impedance 47 kOhm
Phono load impedance 47000 Ω
Frequency response 12 Hz (-1 dB) – 43 kHz (-3 dB) line; 15 Hz – 40 kHz (-3 dB) phono
Electricity consumption 135 W
Dimensioni W 18 × H 6,8 × D 29 cm
Weight 2,9 kg
Warranty lifetime warranty on manufacturing defects
country of origin UK
Headphone output jack 3,5 mm
Tone controls no

About the brand

Rega was founded in 1973 in Essex, UK, by Roy Gandy and Tony Relph: the name combines the first syllables of their surnames, RElph and GAndy. The first turntable was the Planet; the Planar 2, in 1975, put the brand on the map, and the Planar 3 introduced the glass platter, a design Rega still uses today. Gandy later bought out his partner. The company is privately held, has its factory in Southend-on-Sea, and builds all its models in the UK.
The core of the catalog is RB's in-house built turntables and tonearms: the RB300, from 1983, has long been one of the most widely used tonearms, even by other manufacturers. Moving up the range, the main changes are the plinths: the Planar 3 RS Edition uses an HPL laminate with an aluminum skin, the Planar 8 and 10 a Tancast 8 foam core, while the Naia adds carbon fiber heads with graphene, ceramic reinforcements, a three-belt drive, and the RB Titanium tonearm. The Neo PSU MK2 power supply regulates the speed and allows for electronic switching between 33 and 45 rpm.
Rega also produces cartridges: the moving magnet Nd series, introduced in 2024, uses neodymium magnets (Nd3, Nd5, Nd7, and Nd9), while the Ania, Ania Pro, Apheta 3, and Aphelion 2 are moving coil. The amplifiers are based on a circuit developed by Terry Bateman during the Brio-R era and refined in subsequent generations, up to the Aethos; the Brio MK7, designed with Ashton Wagner, adds a DAC section, as does the Elex MK4.
For sale you will find the Planar 1, Planar 1 Plus, Planar 2, Planar 3, Planar 3 RS Edition, Planar 6, Planar 6 RS Edition, Planar 8, Planar 10 and Naia turntables; the RB220, RB330, RB880, RB3000 and RB Titanium arms; the io, Brio MK7, Elex MK4, Elicit MK5, Aethos and Osiris amplifiers, the Mercury preamp and the Solis power amp; the Isis and Valve Isis CD players, the Fono MM MK5, Fono MC MK4, Aura MC and Aos MC phono preamps, the Kyte and Aya speakers.
When choosing a turntable, it's best to look at the complete package. The Planar 3 RS Edition, for example, comes with the RB330 tonearm, Neo PSU MK2 power supply, and Nd5 cartridge already installed; the Planar 6 RS Edition adds the Tancast 8 plinth, RB880 tonearm, and Nd9. With a moving coil cartridge like the Ania or Aphelion 2, however, you'll need a suitable MC input, such as the Fono MC MK4 or Aura MC.
On the amplification front, the io is the compact choice for those who listen to vinyl and analog sources: 30 watts per channel into 8 ohms, MM phono input and headphone output, but no digital input. If your system also includes a TV, streamer, or computer, the Brio MK7 and Elex MK4 accept digital signals directly; the Elicit MK5, Aethos, and Osiris are the next steps in the range, and you should listen to them with your own speakers before deciding.
In our Carpi showroom, you can listen to Rega turntables and electronics in the listening room and receive advice on matching them with cartridges and speakers. The same models can be ordered online at audiocostruzioni.com with shipping, asking us for advice first by email if necessary.

Find out more on our blog

How to Match Amplifiers and Speakers: A Practical Guide

Choosing amplifiers and speakers separately is easy. Getting them to sound good together is another story. It's not enough to simply add their power ratings or cross your fingers: matching amplifiers and speakers follows precise rules, which have to do with impedance, sensitivity, and...

Impedance: The load the speakers present to the amplifier

The nominal impedance of a speaker — expressed in ohms (Ω) — indicates the electrical resistance that the speakers oppoThey match the signal coming from the amplifier. The most common values ​​are 4, 6, and 8 ohms, but there are also 2-ohm (rare) or 16-ohm (vintage) speakers.

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FAQ

TRANSISTOR INTEGRATED AMPLIFIERS

Rega
IO

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509 €

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