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Lynx Studio Technology LynxTWO  

Summary
Parameter

My Opinion

Mode of Operation
24 bits, 44.1 KHz Analog I/O 24 bits, 96 KHz Analog I/O 24 bits,192 KHz Analog I/O
Frequency Response Excellent 20-20kHz +0.03, -0.03 dB 20-20kHz +0.01/-0.02 dB 20-20kHz +0.035/- 0.02 dB
1 kHz Total Harmonic Distortion Excellent 0.00015% @ -12 dB 0.00028% @ -12 dB 0.0003% @ -12 dB
20 Hz Total Harmonic Distortion Excellent 0.003% @ -12 dB 0.0015% @ -12 dB 0.0037% @ -12 dB
Signal to Noise Ratio Excellent 115 dB 110 dB 107 dB
19 & 20 kHz Intermodulation Distortion Excellent 0.0001% @ -6 dB 0.0002% @ -6 dB 0.0003% @-6 dB
Dynamic Range Excellent 129 dB 121 dB 118 dB
Jitter Distortion Excellent -133 dB -126 dB -123 dB
Zero Signal Noise Excellent -112 dB -113.5 dB -115 dB
Software Used: Windows XP 5.1. LynxTWO  Driver Release:Version 1.3 Build 047 (1/22/02) Analytical software: Spectra Lab 4.32.17.  Test done using a Athlon 1700+ CPU in a  ECS K7S-5A system board.

You can hear what LynxTWO sounds like by clicking here to link to http://www.pcabx.com/product/lynxtwo/index.htm .

Discussion Of Results

Since the performance of this card meets or equals that of any other card tested or available, all of its functions were tested in loop-back mode, showing the performance of both the input and output portions of the card.

The digital portion of  this card is "bit perfect". It is even capable of passing AC-3 and DTS signals without alterations.

The dynamic range characteristics of this card are such that optimum performance is obtained by operating it well below digital full scale. Therefore, tests reported  here were made at 12 dB below full scale, which is closer to optimum for nonlinear distortion. Optimum level settings for  this card may be thought of as being similar to those used with an analog tape recorder.

Figure 1. LynxTWO Dynamic Range Varies Significantly With Operating Level.

LynxTWO Sound Card Frequency response (24 bits, 44.1 KHz Sampling)

 

LynxTWO Sound Card Frequency  response (24 bits, 44.1 KHz Sampling)

LynxTWO Sound Card Phase  response (24 bits, 44.1 KHz Sampling)

LynxTWO Sound Card Phase  response (24 bits, 44.1 KHz Sampling)
Phase response errors of up to 9 degrees at 22 KHz and proportionately less at lower frequencies are due to the testing methodology. 
LynxTWO Sound Card 1 kHz Total Harmonic Distortion and Noise (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card 1 kHz Total Harmonic Distortion and Noise (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card 20 Hz Total Harmonic Distortion and Noise (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card 20 Hz Total Harmonic Distortion and Noise (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card Residual Noise - (Dynamic Range) (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card Residual Noise - (Dynamic Range) (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card IM Distortion (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card IM Distortion; (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card FM Distortion - "Jitter" (24 bits, 44.1 KHz Sampling)
11 KHz test Tone  

11 KHz Test Tone

 

J- Test

  J-Test  

This J-Test signal is composed of a -4 dB FS sampling-synchronous sine wave at 11,025 Hz (44100/4) +  a synchronous  1 LSB  square wave at approx. 115 Hz (44100/384). Harmonics of the square wave appear every 230 Hz with an approximate amplitude of -135 dB. 

LynxTWO Sound Card FM Distortion - "Jitter" (24 bits 44.1 KHz Sampling)
LynxTWO Sound Card Zero Signal Noise, (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card Zero Signal Noise, (24 bits, 44.1 KHz Sampling)
LynxTWO Sound Card Frequency Response, 24 bits, 96 KHz Sampling

LynxTWO Sound Card Frequency Response, 24 bits, 96 KHz Sampling

LynxTWO Sound Card Phase  response (24 bits, 96 KHz Sampling)

LynxTWO Sound Card Phase  response (24 bits, 96 KHz Sampling)
Phase response errors of up to 9 degrees at 48 KHz and proportionately less at lower frequencies are due to the testing methodology. 

LynxTWO Sound Card Phase Response, 24 bits, 96 KHz Sampling
LynxTWO Sound Card 20 Hz Total Harmonic Distortion and Noise 24 bits, 96 KHz Sampling
LynxTWO Sound Card 20 Hz Total Harmonic Distortion and Noise 24 bits, 96 KHz Sampling
LynxTWO Sound Card 1 KHz Total Harmonic Distortion and Noise, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Total Harmonic Distortion and Noise, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Intermodulation, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Intermodulation, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Residual Noise - (Dynamic Range), 24 bits, 96 KHz Sampling
LynxTWO Sound Card Residual Noise - (Dynamic Range), 24 bits, 96 KHz Sampling
LynxTWO Sound Card Jitter, 24 bits, 96 KHz Sampling
11 KHz Test Tone

11 KHz Test Tone

J-Test

J-Test
LynxTWO Sound Card Jitter, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Zero Signal Noise, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Zero Signal Noise, 24 bits, 96 KHz Sampling
LynxTWO Sound Card Frequency Response, 24 bits, 192 KHz Sampling

LynxTWO Sound Card Frequency Response, 24 bits, 192 KHz Sampling

LynxTWO Sound Card Phase  Response, 24 bits, 192 KHz Sampling

Phase response errors of up to 9 degrees at 96  KHz and proportionately less at lower frequencies
are due to the testing methodology. 

LynxTWO Sound Card Phase  Response, 24 bits, 192 KHz Sampling
LynxTWO Sound Card 1 KHz Total Harmonic Distortion and Noise, 24 bits, 192 KHz Sampling
LynxTWO Sound Card 1 K HzTotal Harmonic Distortion and Noise, 24 bits, 192 KHz Sampling
LynxTWO Sound Card 20 Hz Total Harmonic Distortion and Noise, 24 bits, 192 KHz Sampling
LynxTWO Sound Card 20 Hz Total Harmonic Distortion and Noise, 24 bits, 192 KHz Sampling
LynxTWO Sound Card Intermodulation, 24 bits, 192 KHz Sampling
LynxTWO Sound Card Intermodulation, 24 bits, 192 KHz Sampling
LynxTWO Sound Card Residual Noise - (Dynamic Range), 24 bits, 192 KHz Sampling
LynxTWO Sound Card Residual Noise - (Dynamic Range), 24 bits, 192 KHz Sampling
LynxTWO Sound Card Jitter, 24 bits, 192 KHz Sampling
11 KHz test tone

11 KHz Test Tone

J-Test

J-test
LynxTWO Sound Card Jitter, 24 bits, 192 KHz Sampling
LynxTWO Sound Card Zero Signal Noise, 24 bits, 192 KHz Sampling
LynxTWO Sound Card Zero Signal Noise, 24 bits, 192 KHz Sampling
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This page created 2/28/2002 (abk)
This Page Last Revised 04/06/2002 (abk)