| Summary | ||||
|---|---|---|---|---|
| Parameter | My Opinion | Observed Performance, Digital Media to Analog Output | ||
| Frequency Response | Excellent | 20-20kHz +0.11, -0.45 dB | ||
| 1 kHz Total Harmonic Distortion | Excellent | 0.0012% @ 0 dB | ||
| Signal to Noise Ratio | Excellent | 90.7 dB | ||
| 19 & 20 kHz Intermodulation Distortion | Excellent | 0.0034% @ -0.91 dB | ||
| Dynamic Range | Excellent | 92 dB | ||
| Jitter Distortion | Excellent | <-112 dB | ||
| Associated Equipment: | Test media was a custom CD created with CoolEdit Pro 1.1 in 32 bit mode, converted to 16 bit with 0.53 bits of spectrally uniform, Gaussian distributed dither; and burned onto Ricoh media using a Plexstor R412C and EZ CD Deluxe 3.5. Signals processed into computer using a LynxONE. Signal analysis with SpectraLab 3.32.14. | |||
TeDis
Discussion Of Results
These measurements were made on the player's variable analog output, as the voltage of the fixed output clipped the input of the LynxONE in -10 mode (slightly > 2.0 volts). The SNR was unusually good for a 16 bit digital device. This is a "second generation" player, the follow-on to the origional CDP-101, a new product ca. 1984.
This player produced some unsual results with some of the CD-R's it was tested with. It appeared to have extreme problems reading one of them, and would provide an audibly distorted output that had a coarse "staircase" appearance on the oscilloscope. On other CD-R's, rapidly repeating short bursts of noise could be heard. Others sounded just fine. All of the test CD-R's were bit perfect when analyzed on the on the reference CDROM (Plexstor R32TS) and evidenced no problems when played on a low-cost player of recent manufacture (Sony CDPXE-500).
| Sony CDP-610ES Frequency Response | |||
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| Sony CDP-610ES Frequency response | |||
| Sony CDP-610ES 1 KHz Total Harmonics Distortion and Noise | |||
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| Sony CDP-610ES 1 KHz Total Harmonics Distortion and Noise | |||
| Sony CDP-610ES Residual Noise - (Dynamic Range) | |||
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| Sony CDP-610ES Residual Noise - (Dynamic Range) | |||
| Sony CDP-610ES IM Distortion | |||
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Sony CDP-610ES IM Distortion
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