Headphone Hobby Lab Measurements for
Transcription
Headphone Hobby Lab Measurements for
Headphone Hobby Lab Measurements for Audeze LCD2 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.001 -0.006 0.008 0.007 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.111 48.70 -1.70 10000 100000 -0.05 0.007 -0.006 0.011 0.006 -0.012 -0.008 Time 0.007 Headphone Hobby Lab Measurements for Audeze LCD-1 5597818 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.001 -0.006 0.008 0.007 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.113 48.72 -0.78 10000 100000 -0.05 0.007 -0.006 0.012 0.006 -0.012 -0.008 Time 0.006 Headphone Hobby Lab Measurements for Audeze LCD-2 5597819 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.001 -0.006 0.006 0.008 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.134 50.66 -1.17 10000 100000 -0.05 0.007 -0.007 0.009 0.006 -0.011 -0.008 Time 0.007 Headphone Hobby Lab Measurements for Audeze LCD-2 5597820 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.005 -0.006 0.006 0.007 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.119 49.38 -0.98 10000 100000 -0.05 0.008 -0.006 0.012 0.006 -0.012 -0.008 Time 0.005 Headphone Hobby Lab Measurements for Audio Technica ATH-AD2000 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.007 -0.003 0.013 0.003 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.034 39.93 -0.27 10000 100000 -0.05 0.004 -0.005 0.018 0.005 -0.006 -0.004 Time 0.005 Headphone Hobby Lab Measurements for Audio Technica ATH-L3000 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.012 0.005 -0.003 -0.004 Time Impedance 300 Hz Square Wave 70 0.05 0.04 60 0.02 40 0.01 Volts Ohms 0.03 50 30 0 -0.01 -0.02 20 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.036 50.37 -5.47 10000 100000 -0.05 -0.003 0.004 -0.026 -0.003 0.001 0.004 Time 0.000 Headphone Hobby Lab Measurements for Douggeh Orthodome Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.016 -0.003 0.009 0.000 Time Impedance 300 Hz Square Wave 160 0.05 140 0.04 0.03 120 0.02 0.01 Volts Ohms 100 80 0 -0.01 60 -0.02 40 -0.03 20 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.884 129.71 -5.25 10000 100000 -0.05 -0.001 -0.004 0.013 0.002 -0.005 0.001 Time 0.005 Headphone Hobby Lab Measurements for Grado HF1 Custom Wood Body by N Ma Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.004 -0.005 0.000 0.009 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 3.551 33.22 0.43 10000 100000 -0.05 0.007 -0.006 0.014 0.006 0.002 -0.006 Time 0.006 Headphone Hobby Lab Measurements for Grado HP2 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency Impedance 0.06 0.07 0.08 0.09 0.10 -0.007 -0.006 0.005 0.005 300 Hz Square Wave 90 0.05 80 0.04 70 0.03 60 0.02 0.01 50 Volts Ohms 0.05 Time 40 0 -0.01 30 -0.02 20 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.090 42.05 0.38 10000 100000 -0.05 0.005 -0.007 0.016 0.006 -0.006 -0.005 Time 0.006 Headphone Hobby Lab Measurements for Grado MS1000 Mod Aluminum Housings Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.005 -0.005 0.005 0.003 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.157 32.88 -0.86 10000 100000 -0.05 0.005 -0.007 0.033 0.003 -0.003 -0.003 Time 0.002 Headphone Hobby Lab Measurements for Grado RS1 - with SR60 Drivers (Ari) Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.005 -0.008 0.000 0.005 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.003 32.22 0.59 10000 100000 -0.05 0.006 -0.004 0.014 0.008 -0.004 -0.004 Time 0.007 Headphone Hobby Lab Measurements for HiFiMAN HE5 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.001 0.007 -0.011 -0.006 Time Impedance 300 Hz Square Wave 35 0.05 0.04 30 0.02 20 0.01 Volts Ohms 0.03 25 15 0 -0.01 -0.02 10 -0.03 5 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.375 28.78 -0.01 10000 100000 -0.05 -0.004 0.006 -0.009 -0.006 0.006 0.005 Time -0.007 Headphone Hobby Lab Measurements for Harley OrthoHog Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.001 -0.006 0.009 0.005 Time Impedance 300 Hz Square Wave 140 0.05 0.04 120 0.02 80 0.01 Volts Ohms 0.03 100 60 0 -0.01 -0.02 40 -0.03 20 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.604 130.66 -2.05 10000 100000 -0.05 0.005 -0.007 0.013 0.007 -0.009 -0.004 Time 0.008 Headphone Hobby Lab Measurements for Koss KDE250 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.003 0.007 0.007 -0.002 Time Impedance 300 Hz Square Wave 30 0.05 0.04 25 0.03 0.02 0.01 Volts Ohms 20 15 0 -0.01 10 -0.02 -0.03 5 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.056 17.55 -0.31 10000 100000 -0.05 -0.001 -0.003 -0.017 0.001 -0.007 0.004 Time 0.003 Headphone Hobby Lab Measurements for RudiStor Chroma MD1 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.005 -0.006 0.004 0.006 Time Impedance 300 Hz Square Wave 70 0.05 0.04 60 0.02 40 0.01 Volts Ohms 0.03 50 30 0 -0.01 -0.02 20 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.110 31.91 -0.56 10000 100000 -0.05 0.010 -0.007 0.019 0.006 -0.008 -0.004 Time 0.008 Headphone Hobby Lab Measurements for S2 Audio Strawberry Doughnut Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.007 -0.006 -0.005 0.008 Time Impedance 300 Hz Square Wave 140 0.05 0.04 120 0.02 80 0.01 Volts Ohms 0.03 100 60 0 -0.01 -0.02 40 -0.03 20 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 1.031 131.36 -10.73 10000 100000 -0.05 0.007 -0.005 0.009 0.007 -0.005 -0.009 Time 0.001 Headphone Hobby Lab Measurements for Sennheiser HD 201 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency Impedance 0.06 0.07 0.08 0.09 0.10 -0.012 -0.002 0.005 0.002 300 Hz Square Wave 45 0.05 40 0.04 35 0.03 30 0.02 0.01 25 Volts Ohms 0.05 Time 20 0 -0.01 15 -0.02 10 -0.03 5 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 3.382 25.46 -3.96 10000 100000 -0.05 0.003 0.000 0.022 0.003 -0.007 -0.002 Time 0.001 Headphone Hobby Lab Measurements for Sennheiser HD 800 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.007 -0.007 0.007 0.006 Time Impedance 300 Hz Square Wave 800 0.05 700 0.04 0.03 600 0.02 0.01 Volts Ohms 500 400 0 -0.01 300 -0.02 200 -0.03 100 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.248 360.15 -2.99 10000 100000 -0.05 0.007 -0.007 0.014 0.007 -0.010 -0.008 Time 0.008 Headphone Hobby Lab Measurements for Sony R10 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 50 0.05 45 0.04 40 0.03 35 0.02 30 0.01 25 -0.01 15 -0.02 10 -0.03 5 -0.04 0 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 2.524 36.90 -4.65 0.07 0.08 0.09 0.10 0.000 -0.007 0.009 0.006 0 20 100 0.06 300 Hz Square Wave Volts Ohms Impedance 10 0.05 Time 10000 100000 -0.05 0.005 -0.007 0.013 0.007 -0.010 -0.005 Time 0.009 Headphone Hobby Lab Measurements for Sennheiser PX 200 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.002 -0.008 0.007 0.006 Time Impedance 300 Hz Square Wave 70 0.05 0.04 60 0.02 40 0.01 Volts Ohms 0.03 50 30 0 -0.01 -0.02 20 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.055 35.74 -8.23 10000 100000 -0.05 0.005 -0.009 0.013 0.007 -0.008 -0.006 Time 0.009 Headphone Hobby Lab Measurements for Smeggie Thunderpants SWT61 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.005 -0.008 0.011 0.005 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.390 53.56 -15.46 10000 100000 -0.05 0.006 -0.006 0.010 0.006 -0.008 -0.005 Time 0.009 Headphone Hobby Lab Measurements for Smeggie Thunderpants Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 0.006 -0.006 0.002 0.008 Time Impedance 300 Hz Square Wave 60 0.05 0.04 50 0.03 0.02 0.01 Volts Ohms 40 30 0 -0.01 20 -0.02 -0.03 10 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.004 51.64 -16.89 10000 100000 -0.05 0.006 -0.004 0.015 0.007 -0.010 -0.008 Time 0.006 Headphone Hobby Lab Measurements for Sony CD3000 Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 50 0.05 45 0.04 40 0.03 35 0.02 30 0.01 25 -0.01 15 -0.02 10 -0.03 5 -0.04 0 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.049 35.74 -6.86 0.07 0.08 0.09 0.10 0.001 -0.006 -0.005 0.006 0 20 100 0.06 300 Hz Square Wave Volts Ohms Impedance 10 0.05 Time 10000 100000 -0.05 0.006 -0.005 0.021 0.009 -0.002 -0.007 Time 0.006 Headphone Hobby Lab Measurements for Sony MDR-V900HD Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 0.05 0.06 0.07 0.08 0.09 0.10 -0.009 -0.001 -0.010 0.003 Time Impedance 300 Hz Square Wave 40 0.05 35 0.04 0.03 30 0.02 0.01 Volts Ohms 25 20 0 -0.01 15 -0.02 10 -0.03 5 -0.04 0 10 100 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.061 26.03 -3.09 10000 100000 -0.05 0.003 0.001 0.023 0.002 -0.007 -0.003 Time 0.000 Headphone Hobby Lab Measurements for Sony Qualia (Justin) Isolation Frequency Response -- Raw Bottom, Compensated and Averaged Top 5 0 Reduction in dB Amplitude (dB) 10 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 -5 -10 -15 -20 -25 -30 -35 -40 10 100 1000 10000 10 100000 100 1000 10000 100000 Frequency Frequency Phase Response Impulse Response 10 10 0 Degrees -40 -90 -10 -140 -20 -190 -30 -240 -290 -40 -340 -50 -390 -60 -440 -70 -490 -540 10 100 1000 10000 100000 -80 0.0000 0.0010 0.0020 0.0030 0.0040 Frequency 0.0050 0.0060 0.0070 0.0080 0.0090 0.0100 Time %THD+noise @ 90dB and 100dB 30 Hz Square Wave 100 0.05 0.04 10 0.03 0.01 Volts %THD+noise 0.02 1 0.1 0 -0.01 -0.02 0.01 -0.03 -0.04 0.001 10 100 1000 10000 -0.05 0.00 100000 0.01 0.02 0.03 0.04 Frequency 100 0.05 90 0.04 80 0.03 70 0.02 60 0.01 50 -0.01 30 -0.02 20 -0.03 10 -0.04 0 1000 Frequency Volts RMS required to reach 90dB: Impedance @ 1kHz: Broadband Isolation in dB (100Hz to 10kHz): 0.233 75.56 -3.97 0.07 0.08 0.09 0.10 0.004 -0.005 0.008 -0.004 0 40 100 0.06 300 Hz Square Wave Volts Ohms Impedance 10 0.05 Time 10000 100000 -0.05 0.000 -0.004 0.026 -0.003 -0.012 0.001 Time 0.004