A-670 Integrated Amplifier | Yamaha

New

  • 65 W x 2 digital power amp type natural PWM
  • Pure Direct for a short and direct signal path
  • Subwoofer output for extra bass power
  • Gold-plated input and output jacks
  • simple and elegant design. Perfect match for the CD-NT670/D Network CD player.

More details

Available in 2 -3 days

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Data sheet

Dimensions314 x 70 x 342 mm
Weight3.3 kg
ConnectivityHeadphone
Input1 x RCA
Output1 x subwoofer
Frequency Response10 Hz to 40 kHz (±3 dB)
Harmonic Distortion0.05% or less (30 W/6 Ω, 1 kHz)
Max. Output Power2x65 W (6 Ohms, 1 kHz, 10% THD)
ExtraSystem input for connection with CD-NT670/D network CD player (MusicCast)

More info

Natural PWM type digital power amp, providing natural and high-grade sound

The A-670 is a premain amp that thoroughly performs the essential function of an amp, which is signal amplification, and ensures refined sound quality. In order to vividly portray everything from the delicate nuance of music to energy-filled dynamism, a digital power amp that creates high power and strong drivability with strong maximum output of 65 watts/channel, is built into the component. Natural PWM type digital modulation with an extremely simple circuit configuration provides both natural, uncoloured sound quality as well as high efficiency. And the low-pass filter of the latter part of the power amp, which significantly influences the sound quality, is a large coil made of low-loss, low-distortion OFC (oxygen-free copper) wire material. This simultaneously maintains the freshness of high-resolution sound sources, while enhancing the power of the bass and ensuring warmth in the mid and high frequency sounds—all to deliver the best quality sound reproduction, rich in musicality.

High sound quality parts preserve the purity of the sound

To prevent corrosion, all input and output jacks are gold-plated. High sound quality parts have been installed throughout, including the large gold plated terminals compatible with banana plugs for the speaker outputs, in order to preserve the purity of sound.

Subwoofer output for extra bass power

This premain amp also features a special output jack that allows you to directly connect a subwoofer to the amp-providing the extra impact of a powerful bass, and filling your room with even more dynamic sound.

Simple, richly textured design — a delight to see, touch and use

The aluminium front panel features a luxurious hairline finish, as well as an understatedly simple, elegant layout—including originally designed aluminium control knobs that reflect the top-class identity of Yamaha HiFi. This component is truly as delightful in use as it is in listening.

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A-670 Integrated Amplifier | Yamaha

A-670 Integrated Amplifier | Yamaha

  • 65 W x 2 digital power amp type natural PWM
  • Pure Direct for a short and direct signal path
  • Subwoofer output for extra bass power
  • Gold-plated input and output jacks
  • simple and elegant design. Perfect match for the CD-NT670/D Network CD player.

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