What we know about the measurement:
Donner Dyna 4 is an active bookshelves speaker that cost around 90USD for a pair .
- Quality of the measurement data is high .
- Origin of the data is ASR.
- Format of the data is generated by a Klippel NFS .
- -3dB (resp. -6db) point v.s. reference is at 67.4Hz (resp. 58.6Hz).
- Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.9dB over the same frequency range.
- Directivity
- Horizontal directivity is (-60.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-10.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 2.57
and would be 5.32 with a
perfect subwoofer.
- Details: NBD: ON 0.631, LW 0.586, SP 0.542, PIR 0.533; SM: SP0.609, PIR0.348; LFQ 0.588, LFX 62Hz
- Tonality (Preference) Score is 5.49
with an EQ and would be 8.01 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.409, LW 0.323, SP 0.328, PIR 0.276; SM: SP0.953, PIR0.936; LFQ 0.588, LFX 55Hz
- Tonality (Preference) Score is 2.57
and would be 5.32 with a
perfect subwoofer.
- Link to original Review: asr review. .
