Arcam A25 Integrated Amplifier
It was way back in the mid 1970s when Doug Brady showcased the first amplifier from A&R Cambridge (as the company was then know) the A60 which featured in many of our magazine adverts. Since then Arcam has produced many well regarded amplifiers, so the new Arcam A25 has a lot to live up to.
The ARCAM A25 is the best-sounding and most feature-rich amplifier in the new Arcam Radia range. It uses a 5th generation Class G amplifier design to deliver excellent sound quality with powerful dynamics.
- ARCAM Class G amplification - for ultra-low distortion
- 100W per channel (8 ohms) - powers loudspeakers effortlessly.
- Bluetooth with aptX™ Adaptive Technology - for the best sound with the most convenience
- Specially selected components and materials - to deliver on sound quality
- Wired or Wireless Headphones - connect your headphones for quiet listening with, or without wires
- All new Radia design - Purposeful yet playful
- MM phono stage - ready for Turntables
- Hi-Res Digital Audio Inputs - with the addition of USB-C for ultra Hi-Res audio
- Plastic Free Packaging - for easy disposal of natural materials
Talented in every area
The Arcam A25 features the company’s unique Class G amplifier for incredibly powerful and efficient sound. It’s also Arcam’s best-connected amplifier, with a wide range of inputs including a USB-C interface that’s exclusive to the A25 model. An all-aluminium casing, with backlit aluminium dials gives this amp the luxury aesthetic to match its premium sound quality.
Power and control from the Class-G amp
Drawing on over 45 years’ experience in amps, Arcam have set a new class standard for sound quality. Using a unique Class-G amplifier gives the A25 generous power and incredibly low distortion. With 100 watts per channel, this is Arcam’s most powerful Radia amplifier. This means deep, powerful bass and punchy sound, even in larger rooms and with low efficiency speakers.
Perfectly balanced sound
With new components and materials, the sound quality is cleaner and more precise, while still retaining the smooth and richly detailed sonic signature that has made Arcam so popular over the past decades.
A treat for your turntable
Much more than just a box-ticking exercise, the Arcam A25’s built-in phono stage makes a top quality connection for your turntable. Suited to turntables with MM (Moving Magnet) cartridges, the high spec phono stage draws a deep seam of information from your vinyl, letting you hear subtle details from the music that might previously have been missed.
Hi-Res sound via USB-C input
Unique to the A25 model, this Arcam amplifier features a USB-C input. Connect laptop, PC or Mac and enjoy Hi-Res music streaming to the highest quality standards. Using an upgraded ESS DAC (Digital to Analogue Convertor), the A25 supports DSD (Direct Stream Digital) for the widest choice of Hi-Res music format support.
Stream from your smartphone in Hi-Res audio
For simple yet high quality music streaming, the A25 features Bluetooth with Qualcomm AptX Adaptive technology. When used with a compatible source device, this delivers up to 24-bit Hi-Res music streaming, giving you better than CD-quality, from a wireless connection.
Connect your headphones – Bluetooth or wired
The A25 welcomes all types of headphones, however they connect. Two-way Bluetooth connectivity lets you pair the amp with your Bluetooth headphones, giving you the freedom of movement that only wireless connectivity brings. Alternatively, the A25 also has a facia-mounted headphone socket for any type of wired headphones.
Connect all your digital and analogue sources
Featuring a premium quality, built-in DAC (Digital to Analogue Convertor), the A25 optimises the sound from your digital audio sources. USB-C, two coaxial and one optical input let you connect your computer, TV, games console and digital music source. For analogue sources, such as an FM tuner, there are also three RCA phono inputs.
Sleek new style
As part of Arcam’s Radia series, the A25 looks slicker than any previous Arcam amp. With just two dials and subtle illumination, the amp strikes the perfect balance in catching the eye without distracting from the sound. The all-aluminium casing includes the volume and input dials, giving a high quality look and feel. A compact remote control is also included.
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%
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
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
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
Remote control with 2 x AAA batteries
Quick Start Guide
Important Safety Instructions