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The black Topaz SR20 2.1-Channel Digital Stereo Receiver from Cambridge Audio is designed to be the hub of a separate hi-fi system. It offers 100 watts per channel backed by a dedicated subwoofer output, and two sets of speaker outputs so you can listen in two rooms at once or bi-wire your main speakers. The receiver features a discrete class AB amplifier design, which consists of left and right channels, and a toroidal transformer for minimal distortion. The Topaz SR20 Receiver is constructed with a low resonance, acoustically-dampened metal chassis, which limits the receiver's vibration for purer sound quality.
The SR20 Digital Stereo Receiver and Amplifier provides connectivity options that allow it to play from a variety of audio sources. Thanks to its onboard Wolfson digital-to-analog Converter (DAC), the receiver has three digital audio inputs, enabling connection to digital sources such as streamers, TVs, or laptops. Three analog audio inputs make the receiver compatible with traditional sources such as CD players and Blu-ray players. Its built-in MM phono stage gives it the ability to connect to a turntable, and it has a direct front panel input for iPods, smartphones, or MP3 players. The SR20 also includes an AM/FM tuner.
Digital and analog playback
AM/FM RDS tuner with 30 presets
Discrete output stage with oversized toroidal transformer
Discrete two-channel amplifier
Wolfson WM8728 DAC
Fully independent A/B switching between two pairs of speakers
Full metal chassis with brushed aluminum front panel
Compatible with turntables fitted with either moving magnet (MM) or high-output moving coil (MC) phono cartridges
In the Box
Cambridge Audio Topaz SR20 2.1-Channel Digital Stereo Receiver
Stereo RCA Cable
Limited 1-Year Warranty on Remote Control
Limited 3-Year Warranty on Electronics
Table of Contents
100 W per channel (into 8 ohms)
Number of Channels
Total Harmonic Distortion (THD)
Unweighted: < 0.01% at 1 kHz, 80% of rated power
-1 dB: 5 Hz to 50 kHz
At 1 W, unweighted: > 82 dB
Phono Output Supported
2 to 6 mV
Phono Load Impedance Supported
30 to 50 kohms
2 x Digital optical
1 x Digital coaxial
3 x Stereo RCA
1 x Phono
1 x 1/8" / 3.5 mm line-in (front)
1 x Subwoofer
1 x Record
1 x 1/4" / 6.35 mm headphone (front)
Front A left
Front A right
Front B left
Front B right
1 x AM antenna
1 x FM antenna
1 x AC power
1 x Service
Bass / Treble: shelving, ultimate boost / cut, ±10 dB at 100 Hz and 20 kHz