The Sugden pure class A design provides affordable high-end performance from a beautifully engineered single box integrated amplifier. Features Classic Pure Class A integrated amplifier - it runs hot! Beautiful, warm and clear sound in the right system Optional phono stage 2 x 23 watts into 8 ohms 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. Specifications 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: 170 mV for max. output Phono Input Sensitivity: 3 mV/MM, 0.2 mV/MC for max. output Phono Loading: MM 47 kΩ, MC 100 Ω Power Output: 23 Watts into 8 Ω Frequency Response: +/-1 dB 10 Hz-20 kHz Bandwidth: 6 Hz-200 kHz Signal to Noise: >83 dB Gross Weight (packed): 11 kg Dimensions (H x W x D): 92 × 430 × 350 mm