Arcam A50 Signature Integrated Amplifier

Built around ARCAM’s most advanced Class G implementation to date, the A50 Signature is the brand’s first dual-mono Class G integrated amplifier. Each channel is a fully self-contained module, featuring independent transformer windings, dedicated power regulation, reservoir capacitors, Class G lifter stage, and output-stage heatsink. This architecture delivers exceptional channel separation, low noise, and high dynamic capability.

The amplifier supports a wide range of music sources, including digital streaming components, smartphones, TVs via HDMI eARC, CD players, and turntables. The DAC, phono stage, and volume control circuits are all new designs to complement the dual-mono amplifier and maintain signal integrity throughout.

The result is the best-sounding integrated amplifier ARCAM has ever produced, delivering consistent performance across digital and analogue sources alike.

The 1st ARCAM Dual-Mono Class G Integrated Amplifier - for the very best ARCAM sound

2x 150W Power Output - powers loudspeakers effortlessly

Built-in Class A MM & MC phono stage - for exceptional music from vinyl with almost any turntable and cartridge

ESS ES9039Q2M DAC with USB-C and HDMI e-ARC inputs - for the best sound from any streamed audio source

Wired or wireless headphones - connect your headphones for quiet listening with, or without wires

Wireless audio with Snapdragon Sound and Auracast built-in - for the best sound with the most convenience

Plastic Free Packaging - for easy disposal of natural materials

Continuous power output (0.5% THD), per channel

2 channels driven, 20Hz - 20kHz, 8Ω 150W
2 channels driven, 1kHz, 4Ω 220W
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) 700W*
Power consumption (standby) <0.5W
Dimensions W x D (including speaker terminals) x H (including feet) 431 x 344 x 99mm
Weight (net) 12kg*
Weight (packed) 14kg*

Supplied accessories

Mains lead(s)
Remote control with 2 x AAA batteries
Quick Start Guide
Important Safety Instructions

Click here to download documentation from the manufacturer