The Sugden Masterclass IA-4 integrated amplifier is the largest and most powerful amplifier built by the Yorkshire firm Sugden Audio. The Masterclass takes advantage of the initial Sugden class A output configuration. The Sugden Masterclass IA-4 amplifier incorporates a Pure Class A solid state output stage. Along with enormous power from a custom-built transformer and a low impedance supply, the Sugden Masterclass IA-4 amplifier can project and fill an enormous holographic sound stage with ‘simply more music’.
The Sugden Masterclass IA-4 amplifier integrates a state of the art preamplifier and the classic Sugden Class A output stage, resulting in an extrodinary performance. The Sugden Masterclass IA-4 amplifier uses a system of pre-amp and power amp driven by individual power supplies which enables the ultimate in musical performance.
The Sugden Masterclass IA-4 amplifier also includes an MM phono stage of extremely high quality.
Inputs Three line level, tape, MM phono, balanced
Outputs Variable pre-out, fixed out, loudspeaker out
Volume Control Remote control RC5 compatible
Tape Monitor and record off
Line Input sensitivity 125mV
Phono Input Sensitivity 2mV (MM)
Power Output 33 Watts per channel in pure A class
Frequency Response +/-1dB 14Hz-200kHz
Signal to Noise >84dB
Gross Weight (packed) 20 kg
Dimensions 165 x 430 x 440 mm