Accuphase C-3900 PRECISION STEREO PREAMPLIFIER

Accuphase C-3900S Precision Stereo Preamplifier

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Accuphase C-3900S Precision Stereo Preamplifier

Name: Accuphase C-3900S Precision Stereo Preamplifier
SKU: C-3900S_Preamp
Availability: BackOrder

$41,999.00

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Categories: Audio, Pre-Amplifiers, Receivers & Amplifiers SKU: C-3900S_Preamp

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.

Features & Specifications

Frequency Response	3 – 200,000 Hz (+0, –3.0 dB); 20 – 20,000 Hz (+0, –0.2 dB)
Total Harmonic Distortion	0.005% (20 – 20,000 Hz, at rated output)
Signal-to-Noise Ratio	118 dB (at rated output); 113 dB (EIA S/N)
Rated Output Voltage	2.0 V (Balanced/Line); Max Output: 7.0 V
Output Impedance	50 $\Omega $
Input Sensitivity	252 mV (at rated output); 63 mV (0.5 V output)
Input Impedance	40 k$\Omega $ (Balanced); 20 k$\Omega $ (Line)
Maximum Input Voltage	6.0 V (Balanced/Line)
Switchable Gain	12 dB / 18 dB / 24 dB
Power Consumption	60 W

Key Technical Features

Dual Balanced AAVA with ANCC: Utilizes two balanced AAVA circuits in parallel, achieving a 30% reduction in noise compared to standard balanced AAVA models.
High-Gain Discrete Input Stage: Employs current feedback and ANCC (Accuphase Noise and distortion Cancelling Circuit) technology to minimize noise before the volume control.
Dual-Mono Power Supply: Features two separate toroidal power transformers (left/right) and twelve custom-made 10,000 $\mu $F filtering capacitors.
Connectivity:
- Inputs: 6x RCA (Line), 4x XLR (Balanced), 1x Recorder Play, 1x EXT PRE (Line & Balanced).
- Outputs: 2x RCA (Line), 2x XLR (Balanced), 1x Recorder Rec.
Headphone Amplifier: High-quality discrete design with parallel push-pull output stages and switchable gain (LOW/MID/HIGH).
Loudness Compensator: 5-stage selection (+2 dB to +6.5 dB at 100 Hz).