Zero Audio Carbo Doppio ZH-BX700 (IEM)

Measurement

Zero Audio ZH - BX700 - CD (Carbo Doppio)

• Full range Dual BA

• OFC cable

• Adopted a 'Brass Horn Nozzle' in each earpiece to simulate the timbre of brass wind instruments

• Adopted a distinctive housing called 'Tricomposite Housing' to reduce the unnecessarily resonating vibrations

*Tricomposite Housing (トライコンポジットハウジング)

• anodized aluminum body

• acoustic brass tube

• real carbon fiber

Zero Audio ZH-BX700-CD (Carbo Dopio) 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 ]

Black: Impedance Magnitude

Green: Minimum Phase

[6. Resistor Added ]

Uncompensated

Black: 0

Orange: 10

Green: 50

Pink: 250

Ohm resistor added

Differences

Blue: 0 (Flat)

Orange: 10

Green: 50

Pink: 250

Ohm resistor added

Olive Welti Target Compensated

• 10 ohm resistor added

[7. Insertion Depth ]

Uncompensated

Orange: 4.2

Black: 5.1 (General Depth)

Green: 7.5

mm away from the reference plane

[8. Comparison ]

Uncompensated

Gray: Left channel and Right channel

Black: Averaged two channels

Uncompensated

Black: Zero Audio ZH-BX700-CD

Orange: Earmax ER600 & 30 ohm resistor

Uncompensated

Black: Zero Audio ZH-BX700-CD

Orange: Ultrasone Tio & Stock Foam Tip