Accuphase

PRECISION STEREO PREAMPLIFIER

The next evolution in preamplifier design, the C-3900S represents Accuphase’s relentless pursuit of perfect volume control. Building on decades of innovation, from the original AAVA to Balanced AAVA, and now Dual Balanced AAV, this latest generation integrates advanced ANCC technology to achieve an unprecedented level of precision, ultra-low noise, and distortion-free performance.

At its core, the C-3900S redefines how music is controlled and experienced. Volume adjustment is executed with absolute transparency, preserving the full energy, depth, and emotional nuance of every recording.

Crafted as a true flagship, the C-3900S delivers a listening experience that feels effortless yet profoundly expressive, bringing every performance to life with remarkable clarity, richness, and realism.

Product Catalogue

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  • Dual Balanced AAVA volume control
  • High-gain discrete current feedback type input amplifier
  • ANCC technology minimizes noise and distortion
  • Quiet and smooth volume sensor
  • 8 parallel output amplifiers
  • Left and right balance adjustment with increased adjustment steps
  • 5-stage loudness compensator
  • Separate toroidal power transformers for left and right
  • Separate unit amplifiers for left and right
  • Printed circuit boards using glass cloth fluorocarbon resin
  • Wood cabinet with natural grain finish
Technical Specifications
Dimensions
Dimensions (W x H x D)

477 mm (18.8") x 156m mm (6.1") x 412 mm (16.2")

Weight (Net)

25.3 kg (55.5 lbs)

Weight (In Shipping Carton)

33 kg (73lbs)