What we know about the measurement:
Polk Audio XT15 is a passive bookshelves speaker that cost around 200USD for a pair .
- Quality of the measurement data is high .
- Origin of the data is ErinsAudioCorner .
- Format of the data is generated by a Klippel NFS .
- Sensitivity: 84.5dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
- -3dB (resp. -6db) point v.s. reference is at 77.6Hz (resp. 64.5Hz).
- Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.8dB over the same frequency range.
- Directivity
- Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-10.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 4.4
and would be 7.1 with a
perfect subwoofer.
- Details: NBD: ON 0.41, LW 0.34, SP 0.29, PIR 0.29; SM: SP0.86, PIR0.55; LFQ 0.43, LFX 60Hz
- Tonality (Preference) Score is 6.1
with an EQ and would be 8.6 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.26, LW 0.25, SP 0.28, PIR 0.23; SM: SP0.97, PIR0.95; LFQ 0.43, LFX 54Hz
- Tonality (Preference) Score is 4.4
and would be 7.1 with a
perfect subwoofer.
- Link to original Review: eac review. .
