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Accuphase Laboratory, Inc.

Accuphase C-47 Phono Amplifier

Accuphase Laboratory, Inc. Japan have requested for us not to sell their premium products on line. 

Price & Demonstration are available on request.

☎ 01925 828009📧 sales@dougbradyhifi.com
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The Accuphase C-47 is the first phono amplifier of this series which realises a fully balanced configuration from input to output. The resulting product not only is highly impervious to external noise, it also features a dedicated head amplifier optimized for the characteristics of MC and MM phono cartridges, and a high-accuracy equalizer amplifier, thereby ensuring precise equalization with a minimum of noise.

A set of newly added dedicated balanced MC phono inputs enables balanced connection to the analog record player. By bringing out the full performance potential of each phono cartridge, the C-47 delivers a rich and deeply satisfying musical experience.

Features

  • Low-noise fully balanced configuration
  • One dedicated balanced MC phono input and three sets of regular phono inputs
  • Separate settings memory for each input position
  • Balanced and line level output connectors
  • Balanced output polarity selector
  • Full mono construction
  • Separate toroidal power transformers for left and right channel
  • Low-noise regulated power supply circuitry unaffected by load fluctuations
  • High-accuracy phono equalizer with RIAA deviation of only ±0.3 dB
  • Load impedance settings for six MC and three MM phono cartridge types
  • 7-segment LED indicator shows load impedance
  • Gain selector for low-output phono cartridges
  • Built-in subsonic filter
  • Disc equalizer assembly using glass cloth fluorocarbon resin PCBs with low dielectric constant and low losses
  • Gold-plated printed circuit boards
  • Aluminum top plate with hairline finish
  • Elegant side panels with natural wood grain finish

■Extremely low noise and highly accurate equalizer characteristics

The C-47 features a two-stage design with a low-noise head amplifier optimized to handle MC and MM cartridges and a high-accuracy equalizer amplifier dedicated to the task of equalizing the signal. By designing the low-noise head amp for high gain (MC: 50 dB, MM: 20 dB), the influence of any noise components in the subsequent equalizer amplifier is kept to a minimum, resulting in excellent low-noise performance combined with super-accurate equalization characteristics.

■Fully balanced configuration

As a first in the series, the C-47 employs a fully balanced configuration which reliably shuts out external noise. The output signal from the cartridge is treated as a balanced signal, and the head amp performs balanced amplification (amplifying only the difference between two signal inputs). Balanced signal transmission is maintained also after the head amplifier, and full equalization is realized by making the equalizer amplifier a balanced type as well.

■Full mono construction

For enhanced channel separation, it is crucial to keep the circuitry of one channel physically separate from the other. In the C-47, the head amp and equalizer amp are mounted on separate boards for the left and right channel, but the designers have gone one step further. The toroidal transformer, smoothing aluminum electrolytic capacitors, and regulated power supply circuitry are also duplicated for each channel, thereby realizing a fully monaural configuration.

■Low-noise regulated power supply circuitry unaffected by load fluctuations

In a phono equalizer amplifier that handles extremely weak signals, the quality of the power supply has a significant effect on sound quality. The smoothing circuitry employs four 25 V / 15,000 μF aluminum electrolytic capacitors per channel, specially selected for their sonic properties. This generously dimensioned configuration virtually eliminates adverse effects from ripple currents and similar. The use of a regulated power supply circuit with very low noise voltage and excellent handling of load fluctuations further ensures that the power supply does not introduce any noise.

■Dedicated balanced MC phono input

A dedicated balanced MC phono input makes it possible to handle the signal supplied by the cartridge as a balanced signal. A balanced phono cable can therefore be used for the connection between the analog record player and the C-47.

Testimonials

Bought some Rega Kyte speakers, stands and chords from DB online and they were incredibly helpful. They updated my delivery address very quickly and recommended a longer cut of cables which they did complimentary. They also noticed I didn’t order with banana plugs so called me back to double check, which I did mean to order. When i had some issues connecting my cables and speakers, I called for some advice which they happily gave. Excellent service and next day delivery to London. Thoroughly recommend.

James F.

Probably one of the best companies in the world. They had to special order in the speakers which took a fair bit of time, which is totally understandable, but they kept in touch with me throughout the entire time with updates (even on a Sunday!!!) and once the speakers were with them, they were dispatched and arrived next day.

The entire sound system that I purchased is insanely good, but still not as good as Doug Brady HiFi!

Guy H.

I have recently purchased a HiFi package with Doug Brady and I could not be more thrilled with my experience with them.
When I walked into the store, I was made to feel welcome and was introduced to some of the products. I produces a list of specific items I was interested in and John was really helpful in showing me these items. He set the system up so I could experience it, he made some suggestions which made the package even better. Nothing seemed too much trouble for him, he was very knowledgeable about the products and gave great advice. I didn't feel pressured to buy anything, or didn't feel that he was upselling at any point. I left with an amazing package and I'd like to thank John and the team for the fantastic experience.

Kaylay L.

It’s now two weeks since I bought home my new system and I wanted to say thanks again for all your help, advice and guidance, not to mention cups of tea. I now have a system that meets all my requirements and sounds fantastic. Special thanks to Jon, who I hope is on the road to recovery from his operation and to Roger, who helped me finalise my choice. The Rega Saturn, Hegel H190V and Dali Rubicon 2 is undoubtedly the best system I have ever owned.

Bryan M