Rega Elex MK4 Stereo Integrated Amplifier top angled view Rega Elex MK4 Stereo Integrated Amplifier angled view rear panel, inputs and outputs Rega Elex MK4 Stereo Integrated Amplifier Rega Elex MK4 Stereo Integrated Amplifier top angled view left side Rega Elex MK4 Stereo Integrated Amplifier rear panel, inputs and outputs close up
Rega Elex MK4 Stereo Integrated Amplifier top angled view
Rega Elex MK4 Stereo Integrated Amplifier angled view rear panel, inputs and outputs
Rega Elex MK4 Stereo Integrated Amplifier
Rega Elex MK4 Stereo Integrated Amplifier top angled view left side
Rega Elex MK4 Stereo Integrated Amplifier rear panel, inputs and outputs close up
Rega

Rega Elex MK4 Stereo Integrated Amplifier

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Rega Elex MK4 Integrated Stereo Amplifier

The Elex MK4 is a high-performance stereo integrated amplifier designed to deliver the purest musical performance. Housed in a brand-new case to match the rest of the Rega range, the MK4 builds on previous Rega designs, using our multi-award-winning class A/B power amplifier circuit, which delivers an impressive 72W per channel into 8Ω loads (90W into 6Ω). New rear connectivity options are available with the Elex MK4, now including a Rega DAC circuit with two digital inputs and a high-quality headphone output conveniently located on the front panel.

Bringing your music to life

The Elex MK4 is capable of driving demanding loudspeakers with ease and integrates perfectly into any audio system, offering a wider range of connectivity options. In addition to the line level, digital inputs, and a high-quality moving magnet phono stage, you will also find Pre-out and Record Out functionality alongside a headphone output. Special attention has been paid to the selection of key audio components. Discrete circuitry, high-quality relays, polypropylene capacitors, and Sanken output transistors are used throughout the design. 

KEY FEATURES

  • 72 W per channel into 8 Ω / 90 W into 6 Ω
  • High-quality moving magnet phono stage
  • High-performance Rega DAC circuit for digital inputs
  • 2 x Digital inputs - 1 x optical and 1 x Co-Axial
  • Headphone output
  • 4 Line level inputs
  • New custom design case
  • Thermal Cut-Out
  • Lifetime warranty against manufacturing defects

PRODUCT DETAILS

AMPLIFICATION CIRCUIT

Our engineers have re-engineered the entire ELEX circuit board to optimise performance. MK4 builds on previous Rega designs by using our multi-award-winning Class A/B power amplifier circuit to deliver a powerful 72W per channel into 8Ω loads. A quiet multi-stage linear supply provides this power, whilst the supply rails for the digital and analogue sections are galvanically isolated.

DIGITAL CIRCUIT / DAC

The DAC is based closely on the hugely successful Rega DAC-R circuit. The galvanically/optically isolated digital inputs utilise a Wolfson S/PDIF receiver IC to provide exceptional detail and clarity from any connected source. A Wolfson DAC and a Rega-designed discrete line-driver circuit provide output. Our engineers have worked exceptionally hard to ensure that the analogue side of the circuit is not affected by the introduction of digital inputs.

MM PHONO STAGE

A high performance Rega designed integrated moving magnet (MM) phono stage is carefully built into the circuit. The RIAA equalization has been split into two stages to minimise interaction. Polyester capacitors have been used in the signal path and polypropylene capacitors are used in the RIAA equalization circuits.

HEADPHONE OUTPUT

We have taken great care to incorporate the headphone socket on the Elex MK4. This has been configured such that the speaker switching is performed by the output mute relay to avoid obstructing the signal path, ensuring no loss of performance when it is not in use.

CUSTOM CASE

The new custom case design and construction bring the Elex MK4 in line with the rest of the Rega range and provide improved heat dissipation by using the entire case as an ultra-efficient heat sink.

PROTECTION

The Elex MK4 includes Thermal Cut-Out, short circuit protection, and DC protection to prevent the risk of damage from excess heat, excessive currents, or short circuits.

TECHNICAL SPECIFICATIONS

Power Amplifier Output (at rated 230/115 V Supply voltage)

72 W into 8 Ω
90 W into 6 Ω

Dimensions (W × H × D)

432 x 82 x 340 (D includes loudspeaker terminals)

Weight

11 Kg

Supported Sampling Rates

32, 44.1, 48, 88.2, 96, 176.4, 192kHz

Supported Bit Depths

16 to 24 bit

Power Consumption

250 W at 1dB below clip into 8Ω

Output Sensitivity (at rated inputs)

Record Output 164mV
Pre-amplifier Output 625mV

For full technical specifications, download the ELEX MK4 user manual below.

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