Arcam Radia A25+ Integrated Amplifier
The Arcam A25+ has several key upgrades over the original A25, primarily focusing on an improved power supply, enhanced digital performance, and new connectivity features. These include a more refined power supply with a new transformer and improved filtering, a dedicated ESS9018 DAC for S/PDIF digital inputs, and the addition of HDMI eARC for TV integration. Additionally, the A25+ features the latest Bluetooth 5.4 with Snapdragon Sound and Auracast, and a precision-cut glass front panel for a sharper display.
With a wide array of analogue inputs, including a meticulously tuned phono stage, and digital inputs including HDMI eARC and USB-C, the A25+ provides an impact for everything from vinyl to TV and Streaming.
The A25+ features an enhanced power supply design, new DAC and cutting-edge wireless capabilities straight out of the box. Snapdragon Sound delivers uncompressed digital audio via Bluetooth, while Auracast enables multiple compatible headphones or speakers to share music wirelessly, with no pairing required. Powered by our 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.
- ARCAM Class G amplification – for ultra-low distortion
- 2x 100W Power Output – powers loudspeakers effortlessly.
- Wireless audio with Snapdragon Sound and Auracast built-in – for the best sound with the most convenience
- Wired or Wireless Headphones – connect your headphones for quiet listening with, or without wires
- HDMI eARC/ARC input
- USB-C input
- Fine-tuned phono stage – ensures your records sound as detailed and engaging as possible
- Plastic Free Packaging – for easy disposal of natural materials
Features & Specifications
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 Only 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1
Other digital inputs 192, 176.4, 96, 88.2, 48, 44.1
Bit depths (bit) 32, 24, 16
Frequency response (filter 1) 20Hz—20kHz ± 0.2dB
Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) 109dB
Headphone Output
Maximum output level (RMS) into 32Ω/300Ω 2.5V/5V
Load range 16Ω – 2kΩ
Wireless Specifications
Bluetooth Version – 5.4; A2DP Sink/Source, AVRCP, BLE, SBC, AAC, aptX, aptX HD and aptX Lossless, LE Audio, Auracast
Bluetooth Transmitter Frequency and Power – 2,400 MHz to 2,483.5 MHz: <20dBm
General
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 batterie
