Sennheiser HD 650 (over-ear headphones)

Measurement

[1. Appearance ]

Open back full-sized headphone

Reference headphones

Sennheiser HD650 Measurement

[2. Frequency Response ]

Check my Measurement Procedures first.

Uncompensated

Uncompensated (Overlay Off)

Diffuse Field Target Compensated

Olive Welti Target Compensated

CSD - Olive Welti Target Compensated

[3. Square Wave ]

300Hz

30Hz

[4. Minimum Phase ]

[5. Harmonic Distortions ]

94 dB SPL @ 500Hz

[6. Impedance ]

DC Ohm

Black: Impedance Magnitude

Green: Electrical Phase

[7. Detailed FR Plots ]

Uncompensated

• Back: Blue

• Center: Pink

• Down: Orange

• Forward: Yellow

• Up: Green

• Averaged: Black