Sugden Audio Masterclass IA-4 Integrated (TI)

The IA-4 is our flagship and most popular integrated amplifier. Weighing a substantial 20 kilos the IA-4 has a purposeful look and impressive build quality. Plenty of input and output facilities are on offer including a high quality phono stage. The class A power output circuit has been upgraded from the A21 series with a larger power supply and improved soothing and output capacitors. Gold plated circuit boards, full relay switching and a precision input selector switch offer further detailing. The pre-amplifier section of the IA-4 is a bespoke design, with surprising clarity and detail. The most noticeable feature is the ability to create a large performance with depth and height on any type of music.

Facilities:

Inputs – Three line level, one tape, one Moving Magnet phono and one balanced.

Outputs – Variable pre-out, fixed out and loudspeaker out.

Volume Control – Remote control RC5 compatible.

Tape – Monitor and record off.

Specifications:

Input Sensitivity – 125mV for maximum output.

Phono Input Sensitivity – 2mV Moving Magnet.

Power Output – 33 watts into 8 ohms both channels working.

Frequency Response – 14Hz to 200kHz +/-1dB.

Bandwidth – 6Hz to 300kHz +/- 3dB.

Signal to Noise – >84dB.

Nett Weight – 20kg.

Overall Dimensions (including terminals) – 165mm x 430mm x 440mm (HWD).