89%
Accuphase E-4000
The E-4000 integrated amplifier has emerged from separate amplifier technologies. The preamplifier section features AAVA using ANCC to allow for volume adjustments that maintain high levels of vibrancy. The power amp section employs balanced transmission utilizing the instrumentation amplifier principle to drive noise suppression to its limit. The E-4000 is equipped with a four-fold parallel push-pull configuration of power transistors driven in Class AB in the output stage to extract every last ounce of potential from the speakers and create soundscapes filled with subtlety.
- Revolutionary AAVA volume control
- Four-fold parallel push-pull configuration of power transistors driven in Class AB
- High power output of 180 watts into 8 ohms / 260 watts into 4 ohms
- Power amplification stage configured as instrumentation amplifier
- High damping factor of 800
- Strong power supply with massive high-efficiency toroidal transformer
- High-voltage, large filtering capacitors
- Protection circuitry using MOS-FET switches
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Professional Reviews 89/100
Nicely Roasted
Sound Quality
92/100
Build Quality
91/100
Features Connectivity
80/100
Value for Money
85/100
The E-4000 pairs natural vocal realism with clean, balanced resolution and remarkably effortless drive. Tharbamar found its bass control, precision and composure especially convincing, even at concert-like levels, while the Japanese-built chassis adds fitting refinement. This is a commanding integrated amplifier for systems needing authoritative grip without losing organic musical flow.
What Reviewers Are Saying
Pros
Clean, precise and evenly balanced sound retains a natural, engaging character.
Strong bass control and effortless power delivery remain composed at very high listening levels.
Natural, realistic vocals, good stereo imaging and a spacious soundstage.
Excellent Japanese craftsmanship and refined build quality.
SOUND QUALITY PERFORMANCE 92/100
The review portrays a notably clean, precise and evenly balanced presentation that remains natural and engaging rather than clinical. Vocals, bass control and high-volume composure are particular strengths, while stereo imaging and soundstage are described positively without the same emphatic detail.
Transparency Resolution
93/100
Tharbamar calls the E-4000 cleaner and more precise, with control maintained across the frequency range. The reviewer also praises note precision and vocal accuracy, suggesting a highly lucid presentation.
Tonal Balance Musicality
94/100
The amplifier is described as balanced, natural, organic and engaging, with a Class A-like ease. Human voices are singled out as especially realistic, indicating strong tonal credibility and musical involvement.
Dynamics
94/100
The review repeatedly characterizes power delivery as effortless and precise, comparing its driving ability to the E-5000. It reportedly remains composed at 105dB concert-like levels, pointing to substantial headroom and control.
Soundstage Imaging
88/100
Tharbamar reports a good stereo image and a very nice soundstage. The assessment is clearly favorable, though the review provides limited detail on stage depth, layering or image specificity.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
91/100
The E-4000 is described as entirely built in Japan, with very good craftsmanship and very nice build quality. The review offers no long-term reliability observations, but its direct assessment of fit and finish is strongly positive.
Features Connectivity
80/100
The supplied review does not discuss the E-4000's input selection, expansion options, remote operation or other connectivity provisions. It is presented chiefly as a performance-focused integrated amplifier.
Value for Money
85/100
At roughly $9,690 to $13,975, the E-4000 sits in a premium integrated-amplifier segment. The review is highly enthusiastic about its performance, but does not directly assess whether it represents strong value against similarly priced alternatives.
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Authorized dealers for Accuphase E-4000
- Resolution A/V — in-store — New York City, New York, United States (website)
- AD Dealer — in-store — Los Angeles, California, United States (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
- Alma Music & Audio — online and in-store — San Diego, California, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Ann Arbor Audio Design — in-store — Ann Arbor, Michigan, United States (website)
- Apex Audio Denver — in-store — Denver, Colorado, United States (website)
- Audio Antiquary — online — Italy (website)
- Audio Connexion — online and in-store — Burlington, Ontario, Canada (website)
- Audio Excellence (CA) — online and in-store — Markham, Ontario, Canada (website)
and 125 more verified dealers