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Sugden SUGDEN MASTERCLASS SPA-4

SUGDEN MASTERCLASS SPA-4

Power amplifier

€ 3.800,00 € 3.040,00
Immediate availability

Code: 05700703

All our products are covered by Italian warranty.

2nd Hand
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Second-hand, in excellent condition, with no visible signs of wear. Comes with original packaging.

 

Stereo Power Amplifier

The Sugden Masterclass SPA-4 is a stereo power amplifier operating in pure Class A, designed to deliver exceptional performance and versatility for a wide range of hi-fi systems. Derived directly from the balanced mono MPA-4 model, it shares the same Class A circuit, ensuring top-tier sound quality, while offering additional flexibility with both balanced and unbalanced inputs.

The SPA-4's design and build reflect Sugden's artisanal philosophy, with a particular focus on faithful musical reproduction and signal integrity. This amplifier is ideal for driving large loudspeakers with impressive control or enhancing smaller models, delivering detailed sound and a well-defined soundstage. Its pure Class A circuitry ensures a remarkably natural sound, free from distortion even at higher volume levels.

A distinctive feature of the SPA-4 is its effortless handling of complex music, reproducing low-level details and intricate passages with precision. Its robust power supply and advanced thermal design guarantee stable performance even during extended listening sessions.

Technical specifications:

  • Circuitry: Class A for both channels.
  • Inputs:
    • Stereo balanced (XLR).
    • Stereo unbalanced (RCA).
  • Outputs: Stereo pair of multi-way locking binding posts.
  • Input Sensitivity: 1 Volt for full output.
  • Power Output:
    • 50 Watts per channel into 8 Ohms (both channels operational).
    • 75 Watts per channel into 4 Ohms (both channels operational).
  • Frequency Response: 15 Hz – 30 kHz (±0 dB).
  • Bandwidth: 2 Hz – 200 kHz (-3 dB).
  • Signal-to-Noise Ratio: >85 dB.
  • Net Weight: 25 kg.
  • Dimensions (including terminals): 250 mm x 430 mm x 360 mm (H x W x D).

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