Arcam Class G Amplifier – A25


In stock

Achieved with a 5th-generation Class G amplifier, the ARCAM Radia A25 delivers top-tier sound quality and efficiency. Meticulous analysis of components and materials ensures uncompromising audio performance.

In stock


Sublime Musicality + Rich Features = Your Ultimate Music System

The ARCAM A25 is the best sounding, and most feature-rich of our Radia Integrated amplifiers. The visual luxurious highlights hint towards the more luxurious musical experience that it offers.

This is achieved with a 5th-generation Class G amplifier design. You can expect the best sound quality and dynamics from what has always been a better-sounding, and more efficient Class of amplifier. New components and materials have been painstakingly analyzed and reviewed to ensure uncompromising sound performance.

The rich feature set includes a USB-C input for your laptop, be it a PC, MAC, or Raspberry Pie! This augments a Bluetooth solution that includes Qualcomm AptX Adaptive technology with 24-bit HD audio to ensure the best sound quality no matter what you are playing. It can also connect to Bluetooth headphones so your listening experience can continue sensitively after dark.


Like any good ARCAM integrated amplifier, we pay particular attention to the built-in phono stage to ensure your records sound as lush and engaging as possible.


• 2x 100 Watts per channel into 8 ohms

• Bluetooth 5.2 with AptX Adpative

• Connect wired or wireless headphones

• Hi-res audio USB-C input

• Hi-res audio digital inputs


• Class G amplification 

• Solid aluminium, backlit dials 

• Aluminium front, top, sides and rear panels

• Compact Remote Control


Continuous power output (0.5% THD), per channel

2 channels driven, 20Hz – 20kHz, 8Ω 100W

2 channels driven, 1kHz, 4Ω 165W

Harmonic distortion, 80% power, 8Ω at 1kHz 0.002%

Analogue Inputs

Number of inputs 3 (RCA pairs)

Signal/noise ratio (A-wtd, ref. 50W, 1V input) 106dB

Frequency response 20Hz—20kHz ± 0.2dB

Phono (MM) Input

Input impedance 47kΩ + 100pF

Frequency response (ref. RIAA curve) 20Hz—20kHz ± 1dB

Digital Inputs

Supported Sample Rates (kHz) USB-C 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1

Coaxial (RCA) 192, 176.4, 96, 88.2, 48, 44.1

Optical (Toslink) 192, 176.4, 96, 88.2, 48, 44.1

Supported DSD USB-C only 1024, 512, 256, 128, 64

Bit depths (bit) 32, 24, 16

Frequency response (fi lter 1) 20Hz—20kHz ± 0.2dB

Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) 110dB

Headphone Output

Maximum output level (RMS) into 32Ω/300Ω 2.5V/5V

Load range 16Ω – 2kΩ


Mains voltage 100V or 110–120V or 220–240V, 50–60Hz

Power consumption (maximum) 500W

Power consumption (standby) <0.5W

Dimensions W x D (including speaker terminals) x H (including feet)

431 x 344 x 83mm

Weight (net) 9kg

Weight (packed) 12kg

Supplied accessories Mains lead(s)

Remote control with 2 x AAA batteries

Quick Start Guide

Important Safety Instructions


Additional information



You may also like…


Go to Top