Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver | Best Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver | Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver Reviews | Audiolab Home Audio
Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver | Best Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver | Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver Reviews | Audiolab Home Audio
Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver | Best Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver | Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver Reviews | Audiolab Home Audio

Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver (Brand New Open Box)

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ARCAM

Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver

16-Channel AV Processing • 7 Channels of Class AB Amplification • 110W/Ch into 8Ω • Dual ESS 9026PRO DACs • Dirac Live • Dolby Atmos • DTS:X • AURO-3D • HDMI 2.1 • 8K/60 & 4K/120

High-Power Class AB Home Cinema with 16-Channel Immersive Processing

The Arcam AVR21 HDMI 2.1 High Power Class AB AV Receiver combines seven channels of high-current Class AB amplification with sophisticated sixteen-channel surround processing for serious home cinema systems. Drawing on ARCAM's long history of stereo amplifier design, the AVR21 uses an oversized toroidal transformer and audiophile-focused circuitry to deliver the dynamics required for movies while retaining the musical refinement expected from a premium two-channel component.

Dolby Atmos, DTS:X and AURO-3D decoding provide flexible immersive-audio configuration, while Dirac Live Room Correction helps optimize speaker performance for the listening environment. Seven HDMI 2.1 inputs support compatible 8K/60Hz and 4K/120Hz sources, and integrated AirPlay 2, Google Chromecast, Bluetooth aptX HD, Spotify Connect, TIDAL Connect and Roon Ready functionality give the AVR21 extensive options for high-quality music playback.

Highlights & Benefits

  • 16-Channel Immersive Audio Processing — Provides extensive flexibility for large Dolby Atmos, DTS:X and AURO-3D systems when combined with compatible external power amplification.
  • Seven Channels of Class AB Amplification — ARCAM's high-current amplifier architecture is based on the company's stereo designs for powerful yet refined home cinema performance.
  • 110W Per Channel into 8 Ohms — Delivers 110 watts per channel with two channels driven from 20Hz–20kHz, increasing to 175 watts into 4 ohms.
  • Dirac Live Room Correction — Advanced acoustic calibration analyzes loudspeaker and room behavior to improve tonal balance, imaging and bass integration.
  • HDMI 2.1 with 8K & 4K/120 — All seven HDMI inputs support high-bandwidth video up to 8K/60Hz and 4K/120Hz along with modern HDR formats.

Technology & Design

ARCAM Class AB Amplification — Seven internally amplified channels use ARCAM's Class AB topology and a substantial toroidal power supply to provide strong current delivery with low noise and excellent musical performance.

Dual ESS 9026PRO DACs — Two audiophile-grade ESS DACs with dedicated reference voltage regulators provide high-resolution multichannel conversion with low noise and excellent channel separation.

Full 16-Channel Dirac Calibration — Dirac Live can calibrate the entire processed speaker system, while optional Dirac Live Bass Control adds more sophisticated integration of multiple subwoofers with the main loudspeakers.

Advanced HDMI 2.1 Platform — Seven HDMI inputs and three outputs provide support for eARC, HDCP 2.3, 8K/60Hz, 4K/120Hz, Dolby Vision, HDR10+, HDR10 and HLG.

FAQ — Arcam AVR21

How many speakers can the ARCAM AVR21 power directly?

The AVR21 includes seven built-in Class AB amplifier channels. Larger immersive speaker systems can use the receiver's sixteen-channel processing with compatible external power amplifiers.

How much power does the AVR21 produce?

ARCAM rates the AVR21 at 110 watts per channel into 8 ohms and 175 watts into 4 ohms with two channels driven from 20Hz–20kHz at less than 0.02% THD. With seven channels driven at 1kHz, output is rated at 90 watts into 8 ohms and 110 watts into 4 ohms.

Does the AVR21 include Dirac Live?

Yes. Dirac Live Room Correction is included. The AVR21 is also compatible with Dirac Live Bass Control, which requires a separate license.

Does the AVR21 support 8K and 4K/120Hz?

Yes. All seven HDMI inputs support compatible 8K/60Hz and 4K/120Hz video signals, along with Dolby Vision, HDR10+, HDR10 and HLG.

Why Buy From Us

  • Authorized ARCAM Dealer
  • 5% Reward Points on Every Purchase
  • Expert Home Theater Design and System-Matching Assistance
  • Professional Installation, Speaker Calibration and Dirac Live Setup Available

Arcam AVR21 Specifications

Product Type
High-power HDMI 2.1 AV receiver
Maximum Processing Channels
16
Built-In Amplifier Channels
7
Amplifier Class
Class AB
Power Supply
Oversized toroidal transformer
Power — 8Ω / 2 Channels
110W per channel
20Hz–20kHz, <0.02% THD
Power — 4Ω / 2 Channels
175W per channel
20Hz–20kHz, <0.02% THD
Power — 8Ω / 2 Channels, 1kHz
125W per channel
0.2% THD
Power — 4Ω / 2 Channels, 1kHz
190W per channel
0.2% THD
Power — 8Ω / 7 Channels
90W per channel
1kHz, 0.2% THD
Power — 4Ω / 7 Channels
110W per channel
1kHz, 0.2% THD
Residual Noise & Hum
<0.15mV A-weighted
Room Correction
Dirac Live Room Correction
Dirac Bass Control
Compatible; optional license required
DAC Architecture
Dual ESS 9026PRO audiophile DACs
DAC Regulation
ESS reference voltage regulators
Dolby Atmos
Supported
DTS:X
Supported
AURO-3D
Supported
HDMI Inputs
7
HDMI Outputs
3 total, including Zone 2
HDMI Version
HDMI 2.1
HDCP
HDCP 2.3
Maximum Video Resolution
8K / 60Hz
4K High Frame Rate
Up to 4K / 120Hz
eARC
Supported
HDR Support
Dolby Vision, HDR10+, HDR10 and HLG
Stereo Line Maximum Input
4.5V RMS
Input Sensitivity
1V / 2V / 4V user adjustable
Input Impedance
47kΩ
Line Input S/N
100dB normal / 110dB Stereo Direct
A-weighted, ref. 100W
Line Frequency Response
20Hz–20kHz, ±0.2dB
Preamplifier Outputs
Multichannel pre-outs for external amplification
Nominal Pre-Out Level
1V RMS
Maximum Pre-Out Level
5V RMS
Pre-Out Impedance
560Ω
Pre-Out THD+N
-100dB, 20Hz–20kHz
Headphone Maximum Output
5V RMS into 32Ω
Headphone Output Impedance
<100Ω
Apple AirPlay 2
Supported
Google Chromecast
Built in
Bluetooth
Bluetooth with aptX HD
Spotify Connect
Supported
TIDAL Connect
Supported
Roon
Roon Ready
MQA
Supported
Network Connectivity
Wi-Fi and Ethernet
RS-232 Control
Supported
IR Control
Supported
Mains Voltage
110–120V or 220–240V AC, 50–60Hz
Maximum Power Consumption
1.5kW
Idle Consumption
100W typical
Standby Consumption
<0.5W
Dimensions
17.05" W × 16.73" D × 6.73" H
433 × 425 × 171 mm
Net Weight
36.6 lbs. / 16.6 kg
Packed Weight
43.9 lbs. / 19.9 kg
Series
ARCAM HDA
Brand
ARCAM

What's in the Box

  • 1 × Arcam AVR21 HDMI 2.1 AV Receiver
  • 1 × Remote Control
  • 2 × AAA Batteries
  • 1 × Dirac Calibration Microphone
  • 1 × USB Cable
  • 1 × DAB/FM Antenna
  • 3 × Wi-Fi / Bluetooth Antennas
  • 1 × AC Power Cord
  • Quick Start Guide

External power amplifiers, HDMI cables, analog/digital interconnects, speaker wire, loudspeakers and powered subwoofers are sold separately unless otherwise specified. Dirac Live Bass Control requires a separate license.

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