Measurement
Audio-Technica ATH - IM02
• Dual BA
• Detachable Cable
• Adopted the horn-shaped conductor pipe, 'Acoustic Horn', that reduces acoustic radiation resistance
Audio-Technica ATH-IM02 measurement
[1. Frequency Response ]
Check my Measurement Procedures first.
Uncompensated
Diffuse Field Target Compensated
Olive Welti Target Compensated
CSD - Olive Welti Target Compensated
[2. Square Wave ]
300Hz
30Hz
[3. Minimum Phase ]
[4. Harmonic Distortions ]
94 dB SPL @500Hz
[5. Impedance ]
DC ohm
Black: Impedance Magnitude
Green: Electrical Phase
[6. Resistor Added ]
Uncompensated
Black: 0
Green: 10
Orange: 50
Pink: 150
Ohm resistor added
Differences
Red(Flat): 0
Green: 10
Orange: 50
Pink: 150
Ohm resistor added
Diffuse Field Target Compensated
Pink: 10
Green: 50
Ohm resistor added
[7. Insertion Depth ]
Uncompensated
Green: 3.8 mm
Black: 5.8 mm (General depth)
Red: 7.5 mm
Away from the reference plane
[8. Various Silicon Sleeves ]
Uncompensated
Black: Stock Silicone EarTip
Orange: Sony EarTip
Uncompensated
Black: Stock Silicone EarTip
Orange: Nobunaga Double Tip
[9. Comply™ Foam Tips ]
Uncompensated
Black: Stock Silicone EarTip
Green: Comply Foam Tip T-500
Orange: Comply Foam Tip TS-500
Uncompensated (1kHz~20kHz)
Black: Stock Silicone EarTip
Green: Comply Foam Tip T-500
Orange: Comply Foam Tip TS-500
Diffuse Field Target Compensated
Black: Stock Silicone EarTip
Green: Nobunaga Double Tip
Orange: Comply Foam Tip T-500
Great Work! It would be awesome if you can use IEC711 on IEMs.
ReplyDeleteIf you're talking about the measurement procedures, all of IEMs are measured with IEC711 (same with IEC60711) (former IEC60318-4) occluded ear simulator.
DeleteYou can check my measurement procedures at here;
http://clarityfidelity.blogspot.com/2015/05/introduction-measurement-procedures.html