Sugden Masterclass IA4 Integrated ampMasterclass IA 4 Integrated AmplifierThe 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,

Tube complement is eight KT120 tubes

I have also been able to give body to the impalpable

oriented and separated from each other to avoid intermodulation of components

It is constructed of spruce

120* steps with our proprietary attenuator module "UFA-1792" *Preamp gain setting: at +12dB

providing hours of listening without the slightest weariness

motor & power supply

Rated Voltage 220-240 (Other voltages available)

And the tension by this elasticity

amorphous core MC step up transformers

Phono and preamplifier in tube technology (limited availability)

2x EL34 Power Pentodes