Instrumentation amplifier topology using discrete semiconductors realizes ideal gain allocation. Balanced Remote Sensing optimizes efficiency of negative feedback. 10-parallel push-pull configuration in power amplification stage. The overall result is outstanding S/N ratio and amazingly high damping factor. Furthermore, constant-voltage drive handles even drastic speaker impedance fluctuations with ease. Power MOS-FETs and other carefully selected components and materials make this Pure Class A Stereo Power Amplifier a sheer delight to experience.

• Pure Class A stereo power amplifier with outstanding S/N ratio and very high damping factor
• Rated for 60 watts into 8 ohms and 480 watts into 1 ohm
• Power MOS-FETs in 10-parallel push-pull configuration
• Instrumentation amplifier principle
• All signal paths realized with discrete semiconductor components
• Balanced Remote Sensing principle
• MCS+ circuit topology
• Current feedback amplification principle
• Digital power value readout and bar graph voltage indication
• Support for bi-amping and bridged mode

The new Precision Stereo Preamplifier C-3850 continues the challenge and raises the bar even further, bringing together the entire wealth of preamplifier know-how gained by Accuphase over the years. In construction as well as circuit design, it incorporates latest technology realized with components selected through a thorough review process including extended listening tests. The result is an audio instrument that admits no compromise in the pursuit of peerless performance for musical mastery. 
The C-3850 features a further evolved version of this principle, called "Balanced AAVA", with two AAVA circuits driven in a parallel balanced configuration. AAVA does not "turn down" the volume in the ordinary sense. Rather, it switches a combination of V-I amplifiers as required in order to directly change the amplifier gain and thereby achieve the desired volume. This revolutionary approach eliminates impedance changes as well as adverse effects from noise and other factors. 
The entire path for all signals from the input connectors to the outputs is fully balanced, and signal purity is further elevated by the use of ultimate-quality parts and materials, ensuring electrical characteristics and sonic excellence of the highest order. With its no-holds-barred use of resources, and its bold realization of latest circuit design, the C-3850 is an analog preamplifier that redefines the state of the art and points the way towards the future.

• Revolutionary low-noise "Balanced AAVA Volume Control"
• High-rigidity, high-accuracy volume knob sensor mechanism
• Separate high-efficiency toroidal power transformers for left and right channels
• Selectable preamp gain
• Fully modular construction with separate left/right units for each amplifier stage
• Logic-controlled relays for shortest signal paths
• Independent phase selection for each input position
• Printed circuit boards made from glass cloth fluorocarbon resin
• Massive wood cabinet with natural grain finish

Quiet and ultra-smooth disc loading mechanism combined with a high-rigidity, high-precision SA-CD/CD drive extracts the full scope of the recorded information. The innovative MDSD (Multiple Double Speed DSD) D/A converter comprises eight MDS++ devices driven in parallel and a moving average filter to recreate an analog signal of stunning purity. The versatile array of transport outputs and digital inputs enables connection of a voicing equalizer or other equipment in the digital domain. Harnessing the latest technology in a masterful ensemble, the DP-750 goes straight to the heart of the music.

• High-grade SA-CD/CD drive
• MDSD type D/A converter using eight parallel devices
• Support for playback of data discs (CD-R/-RW, DVD-R/-RW/+R/+RW)
• Direct Balanced Filter with separate line and balanced signal paths
• HS-LINK and USB digital interfaces
• Transport outputs and digital inputs allow insertion of DG-58 into signal path for sound field correction
• Phase selector for balanced outputs
• Numeric indication of sampling frequency and quantization bits

The C-37 is designed to match the Accuphase 40th anniversary models C-3800 and C-2820, the C-37 is a no-compromise standalone phono equalizer amplifier incorporating latest circuit design and utilizing materials and parts with optimal sonic qualities, making it capable of exploring the possibilities of the analog disc to the fullest. The phono amplifier must accurately handle the minute signal while keeping distortion and noise to an absolute minimum. In the C-37, these goals are achieved by employing completely separate MC head amplifier and equalizer sections, and keeping the left and right channels also separate. This enables the C-37 to fully bring out the characteristics and sonic qualities of any phono cartridge, allowing the listener to explore the legendary musical depth of analog discs. In terms of physical appearance, the gold-colored panel face and side panels of real wood with natural grain finish exude an aura of refined elegance, making the C-37 a perfect match for the C-3800 as well as other models such as the C-2820 or C-2420.

• Dual mono construction with left/right separate MC head amplifier and equalizer sections
• Highly precise equalization: RIAA deviation only ±0.3dB
• Versatile load impedance switching options with 6 settings for MC and 3 settings for MM
• Gain switching enables high gain of up to 70dB
• Three inputs for analog players or tone arms, each with a separate memory for MC/MM, load impedance, gain, subsonic filter and other settings
• Two sets of analog outputs for balanced and Line connections
• Phase selector for balanced outputs

Using a blend of latest RF circuit design with sophisticated digital signal processing, most major
functions after the intermediate frequency stage such as the variable bandwidth IF filter, multipath
reduction, digital FM demodulator and DS-DC stereo demodulation have been moved to software on
the DSP chip. Manual tuning using the pulse tuning method, plus 20-station memory tuning. A digital
output provides further flexibility. Realizing impeccable sound quality and outstanding performance in
an easy to use format, this FM tuner has been developed for demanding audio and music connoisseurs.

• Double-tuned front end easily handles high signal levels
• Revolutionary DDS principle for local oscillator
• Variable bandwidth IF filter prevents interference
• Multipath reduction function
• Digital FM demodulator keeps distortion and noise to a minimum
• DS-DC achieves ideal stereo demodulation with DSP technology
• MDS type D/A converter
• Memory buttons give quick access to 20 stations

Every audio component draws all of its energy from the power supply which in turn is connected to the AC power grid. The Clean Power Supply components from Accuphase are products that remove noise and impurities from the AC power line through a groundbreaking new approach, resulting in a drastic improvement of the sound and picture quality of connected audio and video equipment. Without relying on an oscillator, the reference waveform is created with further improved accuracy and is linked to the power section by a balanced connection to ensure incredibly low distortion in the output waveform. The PS-530 can deliver as much as 510 VA, covering the requirements of most standard audio components.

• AC voltage stabilizer based on waveform shaping technology
• Acts as a source of extremely clean energy
• Low-distortion reference waveform generator
• Highly effective waveform compensation
• Outstanding current capability
• Superb interference rejection
• Built-in meter for monitoring vital parameters including output power, input/output voltage, and input/output distortion
• Advanced protection features
• Large high-efficiency toroidal transformer