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Introduced in 1967, the A21 was the world's first production Class A transistor amplifier, designed by British pioneer James Sugden. His legacy shines through the remarkable Signature A21 integrated. With incredible attention to fit and finish, the Signature A21 delivers a solid tactile experience that exudes quality. This piece has clarity unmatched at this price point, with pure Class A performance that feels like twice the output it's rated for. It's bloody brilliant.

SPECS

Type Class A solid-state stereo integrated amplifier

Power Output 25 Watts into 8Ω

Frequency Response ±1dB 10Hz-20kHz

Signal to Noise >83dB

Line Input Sensitivity 170mV for max. out

Phono Input Sensitivity 3mV/mm, 0.2mV/mc for max. output

Phono Loading MM 47K MC 470 Ohm

Bandwidth 6Hz-200kHz

Sugden

Sugden A21 // New / Integrated Amplifier w/Phono / Pure Class A

Sugden A21 SE // New / Integrated Amplifier / Pure Class A