SUGDEN A21SE SIGNATURE

Pre owned. In excellent condition. Free from evident signs of wear. Supplied with remote control, manual, and original packaging.

The Sugden A21SE represents the evolution of the iconic A21 series, preserving the sonic philosophy that made the British brand renowned while introducing significant technical and performance improvements. This Special Edition version continues to employ the traditional pure Class A single-ended configuration, a design approach that gives the amplifier its unmistakable Sugden character, celebrated for its naturalness, fluidity, and extraordinary musical involvement.

The power supply has been substantially upgraded compared to the previous version, with fifty percent greater capacity providing increased energy reserves and more authoritative loudspeaker control. This enhancement allows the A21SE to drive a wide range of speakers with greater ease, delivering stable, precise, and dynamically convincing performance even in demanding audio systems.

The preamplifier stage has been completely redesigned to improve transparency and definition without introducing artificial emphasis in the high frequencies. The result is an exceptionally clear and detailed presentation that fully preserves the brand’s signature musicality, with treble reproduction that remains crystal clear while always sounding smooth and natural.

The increased output capability and oversized power supply also contribute to significantly improved macro and micro dynamics, especially during low-level listening. The amplifier maintains detail, depth, and articulation even at reduced listening volumes, while its sonic presentation remains consistently balanced, refined, and harmonically rich. Vocals and instruments are reproduced with remarkable realism and presence, creating a highly engaging listening experience.

The configuration includes five relay-switched line inputs, a variable pre-out output, and a dedicated tape output, ensuring excellent flexibility for integration into both traditional hi-fi systems and more contemporary audio setups. The supplied RC5 remote control provides convenient and intuitive operation of the amplifier’s main functions.

Although rated at 30 watts per channel into 8 Ohms and 40 watts into 4 Ohms, the Sugden A21SE takes full advantage of pure Class A operation to deliver a level of control and sonic linearity often superior to amplifiers with significantly higher nominal power ratings. Its extended frequency response and signal-to-noise ratio exceeding 90 dB further confirm the outstanding quality of this integrated amplifier, designed for high-fidelity enthusiasts seeking authentic, refined, and deeply musical sound reproduction.

Technical specifications:

• Inputs: 5 relay-switched line inputs
• Outputs: variable pre-out output; tape-out output; multiway stereo speaker terminals
• Input sensitivity: 110 mV at zero attenuation for full output
• Output power: 30 W into 8 Ohms (both channels driven); 40 W into 4 Ohms (both channels driven)
• Frequency response: ±1 dB from 12 Hz to 141 kHz
• Bandwidth: 6 Hz to 280 kHz
• Signal-to-noise ratio: >90 dB
• Amplification class: pure Class A single-ended
• Volume control: RC5 remote control included
• Dimensions: 430 x 360 x 115 mm (W x D x H)
• Gross weight (packed): 15 kg