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Phasure NOS1 DAC...


emelius

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  • 2 weeks later...

http://www.computeraudiophile.com/content/Phasure-NOS1-vs-Pacific-Microsonics-Model-Two

- 100% Filterless Non Oversampling, using 8 x PCM1704U-K Burr Brown (Texas Instruments) multibit 24 bit D/A converter chips

- Filtering to be applied in software

- Output Impedance is 33 Ohm

- The Clock section consists of replaceable oscillators, separately for the 44100 Hz and 48000 Hz base. The provided oscillators carry an overall jitter of better than 0.5ps and phase noise of better than 120dBc/Hz at 100Hz and better than 108dBc/Hz at 50Hz. Oscillators sit 12cm from DAC chips.

- S/N ratio in-(audio)band is at –132dBFS at full scale (-0dBFS) differential (XLR) output.

Out band (from off 31000Hz and up to 96000Hz which is the measureable limit) this is better than –144dB, and at the limit of the analyser operating at 24 bit and 192KHz.

- Mains related products measure 17uVRMS at –121dBFS (measured at 50Hz mains)

- SE (RCA) output measures in(-audio)band Unweighed 0.0018% THD+N at 16 or 24 bit input and a 1KHz test signal with a sample rate of 44100Hz and Arc Prediction filtered into 176400Hz. The THD+N from Differential (XLR) is beter than 0.0015% which is under the typical specs of the DAC chips.

guess they have a return period, but i seem to have misplaced my five grand...

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