Sugden Masterclass Series


Sugden Masterclass IA-4 Pure Class 'A' Integrated Stereo Amplifier

An extraordinary, organic, euphonic, acoustic performance, achieved by the integration of a state of the art preamplifier and the classic Sugden Class 'A' output stage.

Sugden Masterclass IA-4 Pure Class 'A' Integrated Amplifier
Sugden Masterclass IA-4 Pure Class 'A' Integrated Amplifier internal view showing gold plated circuit boards, high grade components and silver soldering. Note the massive heatsinks for each channel, which are also made by Sugden.

Sugden Masterclass LA-4 Class 'A' Line Pre-Amplifier
The Sugden Masterclass LA-4 Class 'A' Line Pre-Amplifier is hand-made in England.

Sugden Masterclass PA-4 Phono Amplifier
Sugden Masterclass PA-4 Phono Amplifier - Moving Magnet & Moving Coil. The full potential of the musical magic contained on vinyl discs can only be realised by the passionate treatment of the low level signals emanating from the disc and stylus. Class ‘A’ circuitry is renowned for its recovery of and synergy with, low level signals and Sugden is synonymous with Class ‘A’ circuitry. This combination is fully exploited in the, PA-4, dual mono, and two stage Class ‘A’ Phono amplifier.

Sugden Masterclass SPA-4 Class 'A' Stereo Power Amplifier
The Sugden Masterclass SPA-4 has been developed to present a holographic three dimensional soundstage where the listener can almost walk in and touch the musicians.

Sugden Masterclass MPA-4 Class 'A' Symmetrical Balanced Mono Power Amplifiers
The Sugden Masterclass MPA-4 Class 'A' mono blocks have been developed to present a holographic three dimensional soundstage where the listener can almost walk in and touch the musicians. The ultimate in dynamic and detailed performance from the two amplifiers.




Sugden PDT-4F Precision Digital Transcriptor


Masterclass PDT-4F Precision Digital Transcriptor. This player extracts more from a compact disc than can be imagined. The PDT-4F exhibits a high energy open rich sound with powerful bass and no high register edginess. Just musical.

Sugden Masterclass HA-4 Class 'A' Headphone Amplifier

The Sugden Masterclass HA-4 is a very special Class 'A' amplifier developed to extend the boundaries of "near field listening" to a level of musical performance that is truly amazing.

Sugden Masterclass HA-4 Class 'A' Headphone Amplifier
The Sugden Masterclass HA-4 Pure Class 'A' is hand-made in England.


Sugden Masterclass HA-4 Class 'A' Headphone Amplifier
Sugden Masterclass HA-4 Headphone Amplifier internal view showing gold plated circuit board, high grade components, silver soldered and solid silver wiring to RCA inputs.


Sugden Masterclass HA-4 Class 'A' Headphone Amplifier
Internal circuit layout of the Masterclass HA-4 Headphone Amplifier showing dual mono configuration.

Sugden Masterclass HA-4 Class 'A' Headphone Amplifier
Rear view of the Masterclass HA-4 Headphone Amplifier showing inputs for professional XLR interconnects or RCA single ended interconnects.

Sugden Masterclass LA-4 Class 'A' Line Pre-Amplifier
The Sugden Masterclass LA-4 Class 'A' Line Pre-Amplifier has authority, finesse and the capability to develop a sound stage with imaging, dimensional realism, and time/space elements in perfect harmony.

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