schiit dac apx555 standard test suite: fulla 3 dac apx555 standa… · ch1-7.833 mv ch2-9.542 mv...

45

Notes: This is a test of a representative production line sample. If you have difficulties reproducing these results, check your analyzer set-up and ancillary equipment carefully. ensure your analyzer has had a recent calibration, and contact the analyzer manufacturer for help if necessary. If you still have significantly different results, please contact [email protected] with a copy of your results so we can bring back your product and check it against our standard. Summary Headphone Out, 300 Ohm Level and Gain PASSED DC Level PASSED Signal Analyzer PASSED Frequency Response PASSED Signal to Noise Ratio PASSED THD+N PASSED IMD Level Sweep ( CCIF ) PASSED IMD Frequency Sweep ( CCIF ) PASSED Crosstalk, One Channel Undriven PASSED Stepped Level Sweep PASSED Headphone Out, 32 Ohm Level and Gain PASSED DC Level PASSED Signal Analyzer PASSED Frequency Response PASSED Signal to Noise Ratio PASSED THD+N PASSED IMD Level Sweep ( CCIF ) PASSED IMD Frequency Sweep ( CCIF ) PASSED Crosstalk, One Channel Undriven PASSED Stepped Level Sweep PASSED Line Out Level and Gain PASSED DC Level PASSED Signal Analyzer PASSED Frequency Response PASSED Signal to Noise Ratio PASSED THD+N PASSED IMD Level Sweep ( CCIF ) PASSED IMD Frequency Sweep ( CCIF ) PASSED Crosstalk, One Channel Undriven PASSED Crosstalk Sweep, One Channel Driven PASSED

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Page 1: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Notes:

This is a test of a representative production line sample. If you have difficulties reproducing these results,check your analyzer set-up and ancillary equipment carefully. ensure your analyzer has had a recentcalibration, and contact the analyzer manufacturer for help if necessary. If you still have significantlydifferent results, please contact [email protected] with a copy of your results so we can bring back yourproduct and check it against our standard.

Summary

Headphone Out, 300 Ohm

Level and Gain PASSED

DC Level PASSED

Signal Analyzer PASSED

Frequency Response PASSED

Signal to Noise Ratio PASSED

THD+N PASSED

IMD Level Sweep ( CCIF ) PASSED

IMD Frequency Sweep ( CCIF ) PASSED

Crosstalk, One Channel Undriven PASSED

Stepped Level Sweep PASSED

Headphone Out, 32 Ohm

Level and Gain PASSED

DC Level PASSED

Signal Analyzer PASSED

Frequency Response PASSED

Signal to Noise Ratio PASSED

THD+N PASSED

IMD Level Sweep ( CCIF ) PASSED

IMD Frequency Sweep ( CCIF ) PASSED

Crosstalk, One Channel Undriven PASSED

Stepped Level Sweep PASSED

Line Out

Level and Gain PASSED

DC Level PASSED

Signal Analyzer PASSED

Frequency Response PASSED

Signal to Noise Ratio PASSED

THD+N PASSED

IMD Level Sweep ( CCIF ) PASSED

IMD Frequency Sweep ( CCIF ) PASSED

Crosstalk, One Channel Undriven PASSED

Crosstalk Sweep, One Channel Driven PASSED

Page 2: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Bandpass Level Sweep PASSED

Sequence Result:

Sequence Result: PASSED

APx Instrument

Instrument ID: 11571

Calibration Date: 5/8/2018

APx Version: 5.0.0.105.133644

Page 2 of 459/25/2019 2:08 PM

Page 3: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : Signal Path Setup

Output Connector: ASIO

Output Sample Rate: 48.0000 kHz

Output EQ: None

Input Connector: Analog Unbalanced

Channels: 2

Termination: 300 ohm

High Performance Sine Analyzer: Enabled

Input Bandwidth: AC (<10 Hz) - 22.4k (48 kHz SR)

Device Delay: 0.000 s

Input EQ: None

• References

dBr G: -20.000 dBFS

Shared Frequency Reference: 1.00000 kHz

dBrA: 1.000 Vrms

dBrB: 1.000 Vrms

dBrA Offset: 0.000 dB

dBrB Offset: 0.000 dB

dBSPL1: 10.00 mVrms

dBSPL2: 10.00 mVrms

dBSPL1 Calibrator Level: 94.000 dBSPL

dBSPL2 Calibrator Level: 94.000 dBSPL

dBm (Input Power): 600.0 ohm

W(watts) (Input Power): 8.000 ohm

• DCX

DCX is not detected.

• Clocks

Output Rate: Track Output SR

Sync Out Level: 3.300 V

Sync Out Polarity: Normal

Timebase Reference: Internal

Jitter: Disabled

• Triggers

Source: Off

Input Logic Level: 3.300 V

Page 3 of 459/25/2019 2:08 PM

Page 4: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Edge: Rising

Headphone Out, 300 Ohm : Level and Gain

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

RMS Level (9/25/2019 1:53:37.431 PM)

Ch1 0.976 Vrms

Ch2 0.964 Vrms

Headphone Out, 300 Ohm : DC Level

Waveform: Sine

Generator Level: -∞ dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Delay Time: 100.0 ms

Acquisition Time: 333.0 ms

DC Level (9/25/2019 1:53:38.611 PM)

Ch1 -7.906 mV

Ch2 -9.540 mV

Page 4 of 459/25/2019 2:08 PM

Page 5: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : Signal Analyzer

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Secondary Source: None

Measured 1 9/25/2019 1:53:42 PM

Acquisition Type: Auto

Trigger: Free Run

Delay Time: 250.0 ms

Input Bandwidth: Use Signal Path

FFT Length: 32K

Averaging: Power

Averages: 3

Window: AP-Equiripple

Record Acquisition: False

Recording Type: Multiple Mono PCM (.wav)

FFT Spectrum (9/25/2019 1:53:42.503 PM)

Page 5 of 459/25/2019 2:08 PM

Page 6: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Page 6 of 459/25/2019 2:08 PM

Page 7: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : Frequency Response

Start Frequency: 20.0000 Hz

Stop Frequency: 20.0000 kHz

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

EQ: None

Pre-Sweep: 100.0 ms

Sweep: 350.0 ms

Extend Acquisition By: 500.0 ms

Secondary Source: None

Measured 1 9/25/2019 1:53:45 PM

RMS Level (9/25/2019 1:53:45.310 PM)

Result: PASSED

Relative Level (1.00000 kHz) (9/25/2019 1:53:45.310 PM)

Page 7 of 459/25/2019 2:08 PM

Page 8: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Relative Level (1.00000 kHz) Parameters

Result: PASSED

Mode: Normalized at Reference

Ref Frequency: 1.00000 kHz

Deviation (20.0000 Hz - 20.0000 kHz) (9/25/2019 1:53:45.310 PM)

Deviation (20.0000 Hz - 20.0000 kHz) Parameters

Ch1 ±0.337 dB

Ch2 ±0.336 dB

Min: 20.0000 Hz

Max: 20.0000 kHz

Page 8 of 459/25/2019 2:08 PM

Page 9: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : Signal to Noise Ratio

Waveform: Sine

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Signal to Noise Ratio (9/25/2019 1:53:47.390 PM)

Ch1 107.901 dB

Ch2 108.155 dB

Page 9 of 459/25/2019 2:08 PM

Page 10: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : THD+N

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Notch Tuning Mode: Measured Frequency

THD+N Ratio (9/25/2019 1:53:49.682 PM)

Ch1 0.001253 %

Ch2 0.001578 %

THD Ratio (9/25/2019 1:53:49.682 PM)

Ch1 0.000448 %

Ch2 0.000985 %

Noise Ratio (9/25/2019 1:53:49.682 PM)

Ch1 0.001162 %

Ch2 0.001218 %

Distortion Product Ratio (9/25/2019 1:53:49.682 PM)

Distortion Product Ratio Parameters

Channel F H2 H3 H4 H5 H6 H7 H8 H9 H10

1.000k 2.000k 3.000k 4.000k 5.000k 6.000k 7.000k 8.000k 9.000k 10.00k

Ch1 -0.00 -109.51 -114.17 -126.09 -122.00 -129.22 -124.22 -128.32 -128.87 -132.46

1.000k 2.000k 3.000k 4.000k 5.000k 6.000k 7.000k 8.000k 9.000k 10.00k

Ch2 -0.00 -100.46 -117.80 -126.36 -120.60 -124.36 -122.04 -125.62 -125.49 -127.27

Frequency Unit: Hz

Ratio Unit: dB

Page 10 of 459/25/2019 2:08 PM

Page 11: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : IMD Level Sweep ( CCIF )

IMD Type: CCIF

Waveform: IMD

Generator Level: -0.000 dBFS

DC Offset: 0.000 D

Mean Frequency: 12.5000 kHz

Diff Frequency: 80.0000 Hz

IMD Split: False

Start Level: -60.000 dBFS

Stop Level: -0.000 dBFS

Step Type: Linear

Number of Points: 31

Step Size: +2.000 dBFS

Mode: d2+d3

Measured 1 9/25/2019 1:54:18 PM

CCIF Ratio (9/25/2019 1:54:18.083 PM)

Page 11 of 459/25/2019 2:08 PM

Page 12: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Page 12 of 459/25/2019 2:08 PM

Page 13: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : IMD Frequency Sweep ( CCIF )

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Sweep Frequency: Mean Frequency

Mean Frequency: 12.5000 kHz

Diff Frequency: 80.0000 Hz

IMD Split: False

Start Frequency: 20.0000 kHz

Stop Frequency: 250.000 Hz

Step Type: Logarithmic

Number of Points: 31

Mode: d2+d3

Measured 1 9/25/2019 1:54:38 PM

CCIF Ratio (9/25/2019 1:54:38.478 PM)

Page 13 of 459/25/2019 2:08 PM

Page 14: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Headphone Out, 300 Ohm : Crosstalk, One Channel Undriven

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 10.0000 kHz

Crosstalk (9/25/2019 1:54:40.746 PM)

Ch1 83.736 dB

Ch2 89.452 dB

Page 14 of 459/25/2019 2:08 PM

Page 15: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 300 Ohm : Stepped Level Sweep

Waveform: Sine

Generator Level: -20.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Start Level: -60.000 dBFS

Stop Level: -0.000 dBFS

Step Type: Linear

Number of Points: 127

Step Size: +0.476 dBFS

Offset: 0.000 D

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Notch Tuning Mode: Generator Frequency

Measured 1 9/25/2019 1:55:25 PM

THD+N Ratio vs Measured Level (9/25/2019 1:55:25.404 PM)

Page 15 of 459/25/2019 2:08 PM

Page 16: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Page 16 of 459/25/2019 2:08 PM

Page 17: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : Signal Path Setup

Output Connector: ASIO

Output Sample Rate: 48.0000 kHz

Output EQ: None

Input Connector: Analog Unbalanced

Channels: 2

Termination: 100 kohm

High Performance Sine Analyzer: Enabled

Input Bandwidth: AC (<10 Hz) - 22.4k (48 kHz SR)

Device Delay: 0.000 s

Input EQ: None

• References

dBr G: -20.000 dBFS

Shared Frequency Reference: 1.00000 kHz

dBrA: 1.000 Vrms

dBrB: 1.000 Vrms

dBrA Offset: 0.000 dB

dBrB Offset: 0.000 dB

dBSPL1: 10.00 mVrms

dBSPL2: 10.00 mVrms

dBSPL1 Calibrator Level: 94.000 dBSPL

dBSPL2 Calibrator Level: 94.000 dBSPL

dBm (Input Power): 600.0 ohm

W(watts) (Input Power): 8.000 ohm

• DCX

DCX is not detected.

• Clocks

Output Rate: Track Output SR

Sync Out Level: 3.300 V

Sync Out Polarity: Normal

Timebase Reference: Internal

Jitter: Disabled

• Triggers

Source: Off

Input Logic Level: 3.300 V

Page 17 of 459/25/2019 2:08 PM

Page 18: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Edge: Rising

Headphone Out, 32 Ohm : Level and Gain

Waveform: Sine

Generator Level: -13.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

RMS Level (9/25/2019 1:48:24.431 PM)

Ch1 1.081 Vrms

Ch2 1.082 Vrms

Headphone Out, 32 Ohm : DC Level

Waveform: Sine

Generator Level: -∞ dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Delay Time: 100.0 ms

Acquisition Time: 333.0 ms

DC Level (9/25/2019 1:48:25.603 PM)

Ch1 -7.833 mV

Ch2 -9.542 mV

Page 18 of 459/25/2019 2:08 PM

Page 19: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : Signal Analyzer

Waveform: Sine

Generator Level: -13.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Secondary Source: None

Measured 1 9/25/2019 1:48:29 PM

Acquisition Type: Auto

Trigger: Free Run

Delay Time: 250.0 ms

Input Bandwidth: Use Signal Path

FFT Length: 32K

Averaging: Power

Averages: 3

Window: AP-Equiripple

Record Acquisition: False

Recording Type: Multiple Mono PCM (.wav)

FFT Spectrum (9/25/2019 1:48:29.496 PM)

Page 19 of 459/25/2019 2:08 PM

Page 20: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Page 20 of 459/25/2019 2:08 PM

Page 21: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : Frequency Response

Start Frequency: 20.0000 Hz

Stop Frequency: 20.0000 kHz

Generator Level: -13.000 dBFS

DC Offset: 0.000 D

EQ: None

Pre-Sweep: 100.0 ms

Sweep: 350.0 ms

Extend Acquisition By: 500.0 ms

Secondary Source: None

Measured 1 9/25/2019 1:48:32 PM

RMS Level (9/25/2019 1:48:32.284 PM)

Result: PASSED

Relative Level (1.00000 kHz) (9/25/2019 1:48:32.284 PM)

Page 21 of 459/25/2019 2:08 PM

Page 22: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Relative Level (1.00000 kHz) Parameters

Result: PASSED

Mode: Normalized at Reference

Ref Frequency: 1.00000 kHz

Deviation (20.0000 Hz - 20.0000 kHz) (9/25/2019 1:48:32.284 PM)

Deviation (20.0000 Hz - 20.0000 kHz) Parameters

Ch1 ±0.344 dB

Ch2 ±0.342 dB

Min: 20.0000 Hz

Max: 20.0000 kHz

Page 22 of 459/25/2019 2:08 PM

Page 23: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : Signal to Noise Ratio

Waveform: Sine

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Signal to Noise Ratio (9/25/2019 1:48:34.408 PM)

Ch1 107.796 dB

Ch2 107.769 dB

Page 23 of 459/25/2019 2:08 PM

Page 24: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : THD+N

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Notch Tuning Mode: Measured Frequency

THD+N Ratio (9/25/2019 1:48:36.696 PM)

Ch1 0.009575 %

Ch2 0.010754 %

THD Ratio (9/25/2019 1:48:36.696 PM)

Ch1 0.009501 %

Ch2 0.010682 %

Noise Ratio (9/25/2019 1:48:36.696 PM)

Ch1 0.001164 %

Ch2 0.001148 %

Distortion Product Ratio (9/25/2019 1:48:36.696 PM)

Distortion Product Ratio Parameters

Channel F H2 H3 H4 H5 H6 H7 H8 H9 H10

1.000k 2.000k 3.000k 4.000k 5.000k 6.000k 7.000k 8.000k 9.000k 10.00k

Ch1 -0.00 -80.51 -107.72 -99.91 -118.68 -111.91 -123.68 -117.08 -126.41 -124.20

1.000k 2.000k 3.000k 4.000k 5.000k 6.000k 7.000k 8.000k 9.000k 10.00k

Ch2 -0.00 -79.50 -105.08 -98.47 -125.81 -109.60 -124.98 -116.81 -122.49 -123.17

Frequency Unit: Hz

Ratio Unit: dB

Page 24 of 459/25/2019 2:08 PM

Page 25: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : IMD Level Sweep ( CCIF )

IMD Type: CCIF

Waveform: IMD

Generator Level: -0.000 dBFS

DC Offset: 0.000 D

Mean Frequency: 12.5000 kHz

Diff Frequency: 80.0000 Hz

IMD Split: False

Start Level: -60.000 dBFS

Stop Level: -0.000 dBFS

Step Type: Linear

Number of Points: 31

Step Size: +2.000 dBFS

Mode: d2+d3

Measured 1 9/25/2019 1:49:05 PM

CCIF Ratio (9/25/2019 1:49:05.081 PM)

Page 25 of 459/25/2019 2:08 PM

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Result: PASSED

Page 26 of 459/25/2019 2:08 PM

Page 27: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : IMD Frequency Sweep ( CCIF )

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Sweep Frequency: Mean Frequency

Mean Frequency: 12.5000 kHz

Diff Frequency: 80.0000 Hz

IMD Split: False

Start Frequency: 20.0000 kHz

Stop Frequency: 250.000 Hz

Step Type: Logarithmic

Number of Points: 31

Mode: d2+d3

Measured 1 9/25/2019 1:49:25 PM

CCIF Ratio (9/25/2019 1:49:25.437 PM)

Page 27 of 459/25/2019 2:08 PM

Page 28: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Headphone Out, 32 Ohm : Crosstalk, One Channel Undriven

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 10.0000 kHz

Crosstalk (9/25/2019 1:49:26.925 PM)

Ch1 80.075 dB

Ch2 -80.112 dB

Page 28 of 459/25/2019 2:08 PM

Page 29: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Headphone Out, 32 Ohm : Stepped Level Sweep

Waveform: Sine

Generator Level: -20.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Start Level: -60.000 dBFS

Stop Level: -0.000 dBFS

Step Type: Linear

Number of Points: 127

Step Size: +0.476 dBFS

Offset: 0.000 D

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Notch Tuning Mode: Generator Frequency

Measured 1 9/25/2019 1:50:08 PM

THD+N Ratio vs Measured Level (9/25/2019 1:50:08.816 PM)

Page 29 of 459/25/2019 2:08 PM

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Result: PASSED

Page 30 of 459/25/2019 2:08 PM

Page 31: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : Signal Path Setup

Output Connector: ASIO

Output Sample Rate: 48.0000 kHz

Output EQ: None

Input Connector: Analog Unbalanced

Channels: 2

Termination: 100 kohm

High Performance Sine Analyzer: Enabled

Input Bandwidth: AC (<10 Hz) - 22.4k (48 kHz SR)

Device Delay: 0.000 s

Input EQ: None

• References

dBr G: -20.000 dBFS

Shared Frequency Reference: 1.00000 kHz

dBrA: 1.000 Vrms

dBrB: 1.000 Vrms

dBrA Offset: 0.000 dB

dBrB Offset: 0.000 dB

dBSPL1: 10.00 mVrms

dBSPL2: 10.00 mVrms

dBSPL1 Calibrator Level: 94.000 dBSPL

dBSPL2 Calibrator Level: 94.000 dBSPL

dBm (Input Power): 600.0 ohm

W(watts) (Input Power): 8.000 ohm

• DCX

DCX is not detected.

• Clocks

Output Rate: Track Output SR

Sync Out Level: 3.300 V

Sync Out Polarity: Normal

Timebase Reference: Internal

Jitter: Disabled

• Triggers

Source: Off

Input Logic Level: 3.300 V

Page 31 of 459/25/2019 2:08 PM

Page 32: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Edge: Rising

Line Out : Level and Gain

Waveform: Sine

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

RMS Level (9/25/2019 2:02:43.859 PM)

Ch1 2.925 Vrms

Ch2 2.926 Vrms

Line Out : DC Level

Waveform: Sine

Generator Level: -∞ dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Delay Time: 100.0 ms

Acquisition Time: 333.0 ms

DC Level (9/25/2019 2:02:45.533 PM)

Ch1 -7.954 mV

Ch2 -9.682 mV

Page 32 of 459/25/2019 2:08 PM

Page 33: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : Signal Analyzer

Waveform: Sine

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Secondary Source: None

Measured 1 9/25/2019 2:02:49 PM

Acquisition Type: Auto

Trigger: Free Run

Delay Time: 250.0 ms

Input Bandwidth: Use Signal Path

FFT Length: 32K

Averaging: Power

Averages: 3

Window: AP-Equiripple

Record Acquisition: False

Recording Type: Multiple Mono PCM (.wav)

FFT Spectrum (9/25/2019 2:02:49.410 PM)

Page 33 of 459/25/2019 2:08 PM

Page 34: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Page 34 of 459/25/2019 2:08 PM

Page 35: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : Frequency Response

Start Frequency: 20.0000 Hz

Stop Frequency: 20.0000 kHz

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

EQ: None

Pre-Sweep: 100.0 ms

Sweep: 350.0 ms

Extend Acquisition By: 500.0 ms

Secondary Source: None

Measured 1 9/25/2019 2:02:52 PM

RMS Level (9/25/2019 2:02:52.216 PM)

Result: PASSED

Relative Level (1.00000 kHz) (9/25/2019 2:02:52.216 PM)

Page 35 of 459/25/2019 2:08 PM

Page 36: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Relative Level (1.00000 kHz) Parameters

Result: PASSED

Mode: Normalized at Reference

Ref Frequency: 1.00000 kHz

Deviation (20.0000 Hz - 20.0000 kHz) (9/25/2019 2:02:52.216 PM)

Deviation (20.0000 Hz - 20.0000 kHz) Parameters

Ch1 ±0.342 dB

Ch2 ±0.340 dB

Min: 20.0000 Hz

Max: 20.0000 kHz

Page 36 of 459/25/2019 2:08 PM

Page 37: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : Signal to Noise Ratio

Waveform: Sine

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Signal to Noise Ratio (9/25/2019 2:02:54.303 PM)

Ch1 107.935 dB

Ch2 108.020 dB

Page 37 of 459/25/2019 2:08 PM

Page 38: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : THD+N

Waveform: Sine

Generator Level: -4.500 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Low-pass Filter: 20 kHz

Weighting Filter: Signal Path

High-pass Filter: 20 Hz

Notch Tuning Mode: Measured Frequency

THD+N Ratio (9/25/2019 2:02:56.934 PM)

Ch1 0.000824 %

Ch2 0.000821 %

THD Ratio (9/25/2019 2:02:56.934 PM)

Ch1 0.000711 %

Ch2 0.000707 %

Noise Ratio (9/25/2019 2:02:56.934 PM)

Ch1 0.000407 %

Ch2 0.000405 %

Distortion Product Ratio (9/25/2019 2:02:56.934 PM)

Distortion Product Ratio Parameters

Channel F H2 H3 H4 H5 H6 H7 H8 H9 H10

1.000k 2.000k 3.000k 4.000k 5.000k 6.000k 7.000k 8.000k 9.000k 10.00k

Ch1 -0.00 -112.52 -104.21 -132.56 -112.54 -137.53 -130.86 -129.99 -124.08 -130.25

1.000k 2.000k 3.000k 4.000k 5.000k 6.000k 7.000k 8.000k 9.000k 10.00k

Ch2 -0.00 -109.79 -104.85 -135.34 -112.70 -133.04 -133.52 -133.59 -123.11 -138.38

Frequency Unit: Hz

Ratio Unit: dB

Page 38 of 459/25/2019 2:08 PM

Page 39: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : IMD Level Sweep ( CCIF )

IMD Type: CCIF

Waveform: IMD

Generator Level: -0.000 dBFS

DC Offset: 0.000 D

Mean Frequency: 12.5000 kHz

Diff Frequency: 80.0000 Hz

IMD Split: False

Start Level: -60.000 dBFS

Stop Level: -0.000 dBFS

Step Type: Linear

Number of Points: 31

Step Size: +2.000 dBFS

Mode: d2+d3

Measured 1 9/25/2019 2:03:17 PM

CCIF Ratio (9/25/2019 2:03:17.383 PM)

Page 39 of 459/25/2019 2:08 PM

Page 40: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Page 40 of 459/25/2019 2:08 PM

Page 41: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : IMD Frequency Sweep ( CCIF )

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Sweep Frequency: Mean Frequency

Mean Frequency: 12.5000 kHz

Diff Frequency: 80.0000 Hz

IMD Split: False

Start Frequency: 20.0000 kHz

Stop Frequency: 250.000 Hz

Step Type: Logarithmic

Number of Points: 31

Mode: d2+d3

Measured 1 9/25/2019 2:03:37 PM

CCIF Ratio (9/25/2019 2:03:37.705 PM)

Page 41 of 459/25/2019 2:08 PM

Page 42: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Result: PASSED

Line Out : Crosstalk, One Channel Undriven

Waveform: Sine

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Frequency: 10.0000 kHz

Crosstalk (9/25/2019 2:03:41.065 PM)

Ch1 87.914 dB

Ch2 99.243 dB

Page 42 of 459/25/2019 2:08 PM

Page 43: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : Crosstalk Sweep, One Channel Driven

Generator Level: -14.000 dBFS

DC Offset: 0.000 D

Start Frequency: 20.0000 kHz

Stop Frequency: 20.0000 Hz

Step Type: Logarithmic

Number of Points: 15

Measured 1 9/25/2019 2:04:38 PM

Crosstalk (9/25/2019 2:04:38.735 PM)

Crosstalk Parameters

Result: PASSED

Source: Ch1

Page 43 of 459/25/2019 2:08 PM

Page 44: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Line Out : Bandpass Level Sweep

Waveform: Sine

Generator Level: -20.000 dBFS

DC Offset: 0.000 D

Frequency: 1.00000 kHz

Start Level: -140.000 dBFS

Stop Level: -5.000 dBFS

Step Type: Linear

Number of Points: 141

Step Size: +0.964 dBFS

Offset: 0.000 D

Selectivity: Window width

Bandpass Tuning Mode: Generator Frequency

Measured 1 9/25/2019 2:08:15 PM

Linearity (-20.000 dBFS) (9/25/2019 2:08:15.032 PM)

Page 44 of 459/25/2019 2:08 PM

Page 45: Schiit DAC APx555 Standard Test Suite: Fulla 3 DAC APx555 Standa… · Ch1-7.833 mV Ch2-9.542 mV 9/25/2019 2:08 PM Page 18 of 45. Headphone Out, 32 Ohm : Signal Analyzer Waveform:

Linearity (-20.000 dBFS) Parameters

Result: PASSED

Mode: Normalized at Reference

Relative Level: -20.000 dBFS

Page 45 of 459/25/2019 2:08 PM

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