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Yamaha A-670

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The Yamaha A670 is a compact stereo hi-fi amplifier which is ideal for teaming with components such as the CDNT670 network streamer and CD player to create a powerful mini-system.

With a single stereo line input, the A-670 is designed to deliver high quality signal amplification for one component, delivering refined, powerful sound.

A great amplifier to build a powerful mini system around.

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Yamaha A-670 Black

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Full Description

The Yamaha A-670 is a compact stereo hi-fi amplifier which matches the build and sound quality of its larger contemporaries. Ideally combine the A-670 with the CD-NT670 network streamer and CD player for a mini-system with an formidable feature-set and impressive performance.

The A-670 is a 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.

Yamaha A-670 At A Glance:

  • Natural PWM type digital power amp, providing natural and high-grade sound
  • High sound quality parts preserve the purity of the sound
  • Subwoofer output for extra bass power
  • Simple, richly textured design — a delight to see, touch and use


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 Amplifier power (watts) 2 x 65 (6 ohms)
Inputs REAR:
Stereo line in (via 2 x RCA/phono)
System jack
Outputs REAR:
Subwoofer out (via RCA/phono)

Headphone socket (via 6.3mm jack)
Supplied accessories System connection cable
W x H x D (mm) 314 x 70 x 342
Weight (kg) 3.3