RA-820BX vs Cambridge Audio Azur 350A
The Azur 350A's power @ 8ω is 45W against the RA-820BX's 25W, its signal-to-noise 92 dB against 75 dB, its thd 0.020% against 0.080%, and its weight 6 kg (13 lbs) against 5.5 kg (12 lbs).
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Rotel RA-820BX is a highly regarded integrated stereo amplifier from the mid-1980s, representing Rotel’s shift towards a purist, no-frills approach in amplifier design. It evolved from the original RA-820, with each iteration (RA-820B, then RA-820BX) refining the signal path, removing unnecessary features like tone controls and speaker switching, and improving component quality. The RA-820BX is praised for its substantial build, clean signal path, and taut, analytical sound. It was considered a strong competitor to the NAD 3020, and helped establish Rotel as a major force in the budget hi-fi market. The amplifier remains a sought-after vintage piece for its value and performance.
Amplification power output and characteristics
Analog signal output specifications
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the RA-820BX in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Azur 350A's power @ 8ω is 45W against the RA-820BX's 25W, its signal-to-noise 92 dB against 75 dB, its thd 0.020% against 0.080%, and its weight 6 kg (13 lbs) against 5.5 kg (12 lbs).
The 3130's power @ 8ω is 30W against the RA-820BX's 25W, its signal-to-noise 76 dB against 75 dB, its thd 0.030% against 0.080%, and its weight 6.9 kg (15 lbs) against 5.5 kg (12 lbs).
The KA-3500's power @ 8ω is 40W against the RA-820BX's 25W, its signal-to-noise 76 dB against 75 dB, its thd 0.200% against 0.080%, and its damping factor 50 against 25.
The HK-440VXi's power @ 8ω is 30W against the RA-820BX's 25W, its signal-to-noise 78 dB against 75 dB, its thd 0.090% against 0.080%, and its damping factor 60 against 25.
Cambridge Audio A1
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