Polk Audio Signature S15 is a passive bookshelves speaker that cost around 230CHF for a pair .
- -3dB (resp. -6db) point v.s. reference is at 67.0Hz (resp. 59.0Hz).
- Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 10000.0Hz].
- Frequency deviation is 2.6dB over the same frequency range.
- Horizontal directivity is (-68.0°, 67.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-39.0°, 25.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Preference Score is 4.3 and would be 6.9 with a perfect subwoofer.
- Score compononent details: NBD: ON 0.43, LW 0.37, SP 0.4, PIR 0.35; SM: SP0.76, PIR0.56; LFQ 0.61, LFX 55Hz
- Link to Original review.