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Accuphase C-2150

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Estimated delivery by 09/02/2022 - 23/02/2022

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The C-2150 for the first time combines a new topology called ANCC with the AAVA volume control principle. As a result, music reproduction is supple elegant and full of transparency, with a spatial expression capability that makes one forget the presence of any volume control circuit. With a functionality level close to higher-end models and a versatile array of input and output terminals, plus the choice of adding option boards, the C-2150 provides fully immersive music enjoyment. This next-generation control center will satisfy even the most demanding music lover.

Innovation – The leading edge of technology

AAVA operation principle is purely analog

AAVA converts the music signal into 16 differently weighted current streams (1 / 2, 1 / 22, … 1 / 215, 1 / 216) which are combined according to the position of the volume control knob, resulting in exactly the desired listening level.

Drastic reduction of distortion and noise

ANCC: Accuphase Noise and distortion Cancelling Circuit
The C-2150 uses ANCC topology for the I-V converter amplifier, bal￾anced output amplifier, and headphone amplifier. This innovative topol￾ogy adds a sub-amplifier for effectively canceling noise in the main amplifier circuit. The use of low-noise technology in the sub-amplifier (noise density: 1.5 nV / √Hz) further enhances the benefits of ANCC. By in￾corporating ANCC in the I-V converter amplifier and the balanced amplifier of the AAVA section, a further drastic reduction in noise is achieved, especially at low to medium volume level positions.

High reliability

Separate unit amplifiers for left and right.

The C-2150 comprises five separate amplifiers: input buffer, V-I converter, I-V converter, output buffer, and headphone. These are configured as five separate circuit boards arranged on a motherboard, providing ample space for components and ensuring outstanding reliability and performance. Left and right channels are kept completely separate to prevent unwanted electrical interaction.

Specifications

■ Logic-control signal switching relays for shortest signal paths
■ Five line level and two balanced inputs
■ Line input and output connectors for a recorder
■ EXT PRE function allows use of external preamplifier
■ Individual phase setting for each input
■ Stereo signal can be switched to monophonic operation
■ Instrumentation amplifier principle for input buffer
■ AAVA also adjusts left / right channel balance
■ AAVA circuitry uses thin-film resistors to minimize thermal fluctuations and current noise
■ Convenient attenuator is useful for example when operating an analog record player
■ Loudness compensator enhances low end presence
■ Tone controls using summing active filters
■ Dedicated headphone amplifier using ANCC for optimum sound quality
■ Maximum gain can be set to 12 dB, 18 dB, or 24 dB
■ Separate power supplies for left and right channels prevent mutual interference
■ On / off switching capability for level / frequency display
■ Champagne-gold front panel and high-gloss side panels
■ Two option board installation slots
■ DAC input selector button for use when digital input board (DAC-50 or DAC-40) is installed
■ Numeric indication of digital signal sampling frequency (when DAC-50 or DAC-40) is installed)
The C-2150 for the first time combines a new topology called ANCC with the AAVA volume control principle. As a result, music reproduction is supple, elegant and full of transparency, with a spatial expression capability that makes one forget the presence of any volume control circuit.
With a functionality level close to higher-end models and a versatile array of input and output terminals, plus the choice of adding option boards, the C-2150 provides fully immersive music enjoyment. This next-generation control center will satisfy even the most demanding music lover.