Sugden Audio


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The Sugden pure class A design provides affordable high-end performance from a beautifully engineered single box integrated amplifier. Compact in size with a simple but stylish design, the A21 is possibly the only amplifier you will ever need. With many of the original A21's still in daily use after fifty years, it could also last a life time. Providing a large soundstage and depth to all types of music, the A21 is an amplifier you can listen to for hours without fatigue. The single ended circuit provides impressive dynamics and incredible bass.

Inputs ​ -Five line level (four on A21 Integrated)
Optional mm/mc phono
Outputs -One pair of stereo multi-way binding posts
Pre-out (variable), tape out (fixed)
Remote Control Volume up/down
Earth terminal


Line Input Sensitivity - 170mV for max. out
Phono Input Sensitivity - 3mV/mm, 0.2mV/mc for max. output
Phono Loading - MM 47K MC 100 Ohm
Power Output - 23 Watts into 8 Ohms
Frequency Response - +/-1dB 10Hz-20kHz
Bandwidth - 6Hz-200kHz
Signal to Noise - >83dB
Gross Weight (packed) - 11kgs
Dimensions - 92 x 430 x 350mm (hwd)