The ARCAM A50 Signature is a high-performance integrated amplifier created to celebrate 50 years of ARCAM amplification expertise. Designed in Cambridge, UK, it combines modern connectivity with advanced analogue and digital engineering.
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.
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The 1st ARCAM Dual-Mono Class G Integrated Amplifier - for the very best ARCAM sound
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2x 150W Power Output - powers loudspeakers effortlessly
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Built-in Class A MM & MC phono stage - for exceptional music from vinyl with almost any turntable and cartridge
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ESS ES9039Q2M DAC with USB-C and HDMI e-ARC inputs - for the best sound from any streamed audio source
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Wired or wireless headphones - connect your headphones for quiet listening with, or without wires
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Wireless audio with Snapdragon Sound and Auracast built-in - for the best sound with the most convenience
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Plastic Free Packaging - for easy disposal of natural materials
Continuous power output (0.5% THD), per channel
2 channels driven, 20Hz - 20kHz, 8O 150W
2 channels driven, 1kHz, 4O 220W
Harmonic distortion, 80% power, 8O 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 47kO + 100pF
Frequency response (ref. RIAA curve) 20Hz—20kHz ± 1dBDigital 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 32O/300O 2.5V/5V
Load range 16O - 2kO
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: <20dBmGeneral
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