SUGDEN: A21ai Series 2 integrated amplifier test review

Art Dudley (Stereophile magazine) Winter has returned to Cherry Valley, New York, and I’m reminded of a bad habit that I used to conceal: On cold mornings I started my car well before driving off, then actually weighted down the accelerator pedal—with the heavy socket tray from my toolbox—in an effort to keep the idle […]

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SUGDEN: Masterclass LA-4 Pre-amplifier

They say ….. A high quality active pre-amplifier featuring a host of inputs and outputs. The LA-4 makes a perfect combo with either the Masterclass or Sapphire power amplifiers. High-end touches include gold plated circuit boards, relay switching of all inputs and output and a sophisticated class A output stage. The LA-4 is a high […]

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SUGDEN: Their Masterclass DAC-4 Digital to Analogue Converter

They say ….. The DAC-4 offers a well judged alternative to the plethora of other DAC’s available in the current market.  With sound quality top of the list, our watchword ‘Rescuing music from technology’ could not be more appropriate.  Instead of accepting and using the latest digital trends, we have produced a product meticulously engineered […]

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SUGDEN: Masterclass LA-4 Pre-amplifier

They say ….. A high quality active pre-amplifier featuring a host of inputs and outputs. The LA-4 makes a perfect combo with either the Masterclass or Sapphire power amplifiers. High-end touches include gold plated circuit boards, relay switching of all inputs and output and a sophisticated class A output stage. The LA-4 is a high […]

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SUGDEN: Masterclass FPA-4 Power Amplifier

They say ….. The FPA-4 power amplifier is the latest member of the Sugden Masterclass Family. This output stage is of the classic Sugden pure class A single ended design which has given musical satisfaction to thousands of discerning music lovers over many years. The amplifier benefits from a comparator and correction circuit so that […]

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