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Stemfoort SF-200 Amplifier

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Stemfoort SF-200 Amplifier
Generous Trade in Available - CALL NOW: 01482 223 096

Stemfoort SF-200 Amplifier

The Stemfoort SF-200 Amplifier is available for demonstration in our Hull store.

The power amplifier is a wide bandwidth design reaching frequency extremes of 6Hz – 120kHz. This allows your music to retain all the low level detail and nuances that create the authentic atmosphere of a recording. This wide bandwidth capability provides excellent dynamic performance for high resolution music streaming such as 24/192, DSD and SACD formats.

With hi-res music formats available, it is important to have an amplifier capable of handling a greater dynamic range. The SF-200 uses a large power supply providing impressive tone bursts and 100 Watts per channel output. Plenty of current is on tap, resulting in greater control of loudspeakers and powerful deep bass when required

The SF-200 has a number of hidden features providing a high level of design sophistication.


All inputs are relay switched keeping the signal path as short as possible. A motorised analogue volume control is operated by a supplied remote control or can be manually turned. This is a high quality component to ensure the least possible signal degradation.

The amplifier output stage has a fast acting protection circuit just in case a wrong connection has been made or there is a disruption to the mains supply. A unique feature of the SF-200 is its ability to remain operational even if the mains voltage drops 30%. This feature is the result of developing a very stable and robust power supply and amplifier circuit.

Military specification signal wiring has been used to eliminate interference from power supplies, whilst the custom designed transformer sits inside a steel sub assembly to reduce noise and vibration. Quality components are used throughout, chosen for reliability and performance, low inductance resistors replace standard components in critical areas of the signal path.

Top grade materials are used throughout the SF-200’s body work. The front panel is a solid 10mm thick pre-milled aluminium plate, a high grade material normally used for medical instruments, aerospace and robotic systems. Other case materials are steel or aluminium that have either been anodised, galvanised or powder coated to protect the finish and maintain appearance during many years of use. All fine finishing is carried out at our own factory to ensure complete quality control.

The Stemfoort SF-200 is designed and manufactured in Britain by J E Sugden & Co Limited. Each amplifier is handmade by a single highly skilled technician with many years experience. All circuit boards are hand soldered and we do not use any surface mount components that can degrade sound quality. A rigorous and continuous test procedure is carried out during construction. This includes power amplifier module pre-test, sub assembly test, built chassis test and final bench and specification test.

Part Exchange Available

As you would expect from Fanthorpes hifi, we offer a generous part exchange against the Stemfoort SF-200 Amplifier. If you have any hifi that you wish to use as part payment against the Stemfoort SF-200 Amplifier then either call us on 01482 223096 or email us at  and we will give you a price to change. This is a fantastic and hassle free way of making the Stemfoort SF-200 Amplifier more affordable.

Finance Available - No Deposit Required

Fanthorpes hifi can also offer buy now pay later on the Stemfoort SF-200 Amplifier, allowing you to spread or defer your payments over a year. If you are interested in taking advantage of our payment terms on the Stemfoort SF-200 Amplifier email or call us on 01482 223096 and we will email an application form to you

Stemfoort SF-200 Amplifier Specification:


  • Input Selector Switch
  • Motorised volume control
  • Power on push switch
  • Circuit ready indicator
  • Remote control sensor
  • Solid aluminium knobs with machined indicator
  • Mains power inlet socket with accessible fuse tray.
  • Two pairs of gold plated threeway loudspeaker binding posts.
  • Five stereo gold placed phono inputs.
  • 100 Watts per channel
  • both channels working
  • Greater than 85dB
  • 16 kgs
  • 115 x 430 x 360 mm