Item #ARCA50SIGAM

ARCAM A50 Signature

Stereo Integrated Amplifier
Item #ARCA50SIGAM

ARCAM A50 Signature

Stereo Integrated Amplifier
$2,999.95
Pre-Order: Shipping in October

Overview

The ARCAM A50 Signature integrated amplifier marks 50 years of ARCAM amplifier design, engineered in Cambridge, UK. It's the first dual-mono Class G integrated amp from ARCAM, with each channel built as its own self-contained module, complete with independent transformer windings, dedicated power regulation, reservoir capacitors, and a separate output-stage heatsink. The result is outstanding channel separation, low noise, and strong dynamic performance.

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 analog 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.

Details & Specs

Model A50 Signature
Continuous power output (0.5% THD), per channel — 2 ch driven, 20Hz–20kHz, 8Ω 150W
Continuous power output (0.5% THD), per channel — 2 ch driven, 1kHz, 4Ω 220W
Harmonic distortion, 80% power, 8Ω at 1kHz 0.002%
Analog inputs 3 (RCA pairs)
Signal/noise ratio, analog (A-wtd, ref. 50W, 1V input) 106dB
Frequency response, analog 20Hz–20kHz ± 0.2dB
Phono (MM) input impedance 47kΩ + 100pF
Phono (MM) frequency response (ref. RIAA curve) 20Hz–20kHz ± 1dB
Supported sample rates, USB-C only (kHz) 384
352.8
192
176.4
96
88.2
48
44.1
Supported sample rates, other digital inputs (kHz) 192
176.4
96
88.2
48
44.1
Bit depths 32-bit
24-bit
16-bit
Frequency response, digital (filter 1) 20Hz–20kHz ± 0.2dB
Signal/noise ratio, digital (A-wtd, ref. 50W, 0dBFS) 109dB
Headphone max output level (RMS) into 32Ω/300Ω 2.5V/5V
Headphone load range 16Ω – 2kΩ
Bluetooth version 5.4; A2DP Sink/Source, AVRCP, BLE, SBC, AAC, aptX, aptX HD, aptX Lossless, LE Audio, Auracast
Bluetooth transmitter frequency and power 2,400 MHz to 2,483.5 MHz: <20dBm
Mains voltage 100V or 110–120V or 220–240V, 50–60Hz
Power consumption (maximum) 700W
Power consumption (standby) <0.5W
Dimensions (WxDxH) w/ speaker terminals & 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

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