Sugden Masterclass IA-4
Integrated amplifier
The IA-4 is Sugdens 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.
Sugden Masterclass IA-4 specifications
Inputs – Three line level, tape, MM phono, balanced
Outputs – Variable pre-out, fixed out, loudspeaker out
Volume Control – Remote control RC5 Compatible
Recording – Monitor and record off
Line Input Sensitivity – 125mV
Phono Input Sensitivity – 2mV (mm)
Power Output – 33 Watts per channel into 8 Ohms
Frequency Response – +/-1dB 14Hz-200kHz
Bandwidth – 6Hz- 300kHz
Signal to Noise – >84dB
Gross Weight (packed) – 20kgs
Dimensions – 165 x 430 x 440mm (HWD)
Sugden custom shop
Unlike other audio equipment manufacturers, Sugden has its own engineering department so they can offer a range of bespoke front panel finishes.
If you have a colour scheme for your listening room why not get Sugden equipment to match, design a totally unique Sugden product that is as individual as you are.
To get a unique personally designed Sugden product, contact Audio Venue and let your imagination run riot.
This service is for new products only and there is a small extra charge and extended delivery time.
NB: Knobs and bezels will be either Titanium or Black
Complete Sugden range available at Audio Venue
A21 Pure Class A
The A21 was the worlds’ first production pure class A transistor amplifier and a great success.
The partnership with Richard Allan was short lived and within a year the amplifier was renamed the SUGDEN A21. Shortly afterwards, manufacturing was moved to larger premises in Cleckheaton, West Yorkshire
Present day
Today they still manufacture in the same tradition with each Sugden product being handmade by a single highly skilled team member. Half of the team have been with the company for over thirty years enjoying a life-long career. Our involvement in the full manufacturing process still exists from design to despatch. We operate our own custom engineering shop , screen printing and assembly room.
Sugden products are a truly handmade quality British product.
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