Progression
[4705]
0.00EUR




Non-Oversampling DAC concept was first proposed by Ryohei Kusunoki in late 1966. In recent interview, he states that "the issue is not either it is Non-Oversampling or Higher-rate-sampling, but the use of the digital filter can cause smearing in the time domain."
We can confirm this smearing effect on the sound caused by the use of digital filter rather easily through listening experiments. This leads us to believe that the current problem with CD is not the limitation of 16bit/44.1kHz format, but the use of the digital filter which is preventing us to experience the true possibilities and the limitations of 16bit/44.1kHz format. The sound of Progression is enough to prove this matter
In Progression, I/V conversion is handled by a passive device instead of an active one. The result is a superb transient response without any over-shooting, and still maintains the output voltage of 2.1V.
  • Non-Oversampling, No digital filter
  • No analog filter
  • World's shortest signal pass length --- 35m/m
  • World's smallest number of parts ------ 20 parts
  • Two piece chassis/casting made out of machined aluminum bloc
  • Input sampling frequency: 32kH, 44kH, 48kH (selected automatically)
  • Output voltage: 2.1V
  • Digital input: 1 Coaxial
  • Analog output: 1 pair, Unbalanced
  • Dimensions: Model 4705 60(w)x70(h)x162(d) m/m
    Model 4799 130(diameter)x195(d) m/m
Progression needs one Power Dumpty (external power supply)

For more information, please visit this products webpage.

This product was added to our catalog on Monday 25 June, 2007.




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