- Quality of the measurement data is low.
- Origin of the data is Misc.
- Format of the data is a set of 36 horizontal and 36 vertical measurements .
-
Sensitivity:
- Company: 86 dB
- Measured: 67.9 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 127.0Hz (resp. 97.9Hz).
- Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 3.9dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 1.13
and would be 4.52 with a
perfect subwoofer.
- Details: NBD: ON 0.796, LW 0.551, SP 0.423, PIR 0.433; SM: SP0.66, PIR0.049; LFQ 0.425, LFX 88Hz
- Tonality (Preference) Score is 5.32
with an EQ and would be 7.44 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.627, LW 0.367, SP 0.334, PIR 0.282; SM: SP0.951, PIR0.932; LFQ 0.626, LFX 44Hz
- Tonality (Preference) Score is 1.13
and would be 4.52 with a
perfect subwoofer.
- Link to original Review: asr review. .
- Note: Tweeter polarity was fixed before measuring. Out of the box, the speaker is worse!.
System One S-15B is a passive bookshelves that cost around 130 USD for a pair.
Vendor specifications
- Impedance 4 Ohm
- Size
- Width 185mm
- Height 300mm
- Depth 225mm
- Weight 3.25kg
Directivity (-6dB)
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -6.1dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 49.0 | 0.77 | 4.99 |
| PK | 197.0 | 0.25 | 2.05 |
| PK | 243.0 | 2.2 | 0.91 |
| PK | 487.0 | 3.0 | 1.55 |
| PK | 1010.0 | 2.99 | -2.5 |
| PK | 1642.0 | 2.57 | -3.55 |
| PK | 13652.0 | 0.49 | -3.01 |
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