What we know about the measurement:
Ascend Acoustics Sierra 1 V2 is a passive bookshelves that cost around 1000 USD for a pair.
- Quality of the measurement data is high.
- Origin of the data is Ascend Acoustics.
- Format of the data is a set of 36 horizontal and 36 vertical measurements .
- Sensitivity: 81.2dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 53.0Hz (resp. 45.0Hz).
- Reference level is normalised to -0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.7dB over the same frequency range.
- Directivity
- Horizontal directivity is (-80.0°, 80.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-20.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 6.7
and would be 8.65 with a
perfect subwoofer.
- Details: NBD: ON 0.309, LW 0.22, SP 0.21, PIR 0.17; SM: SP0.985, PIR0.97; LFQ 0.524, LFX 41Hz
- Tonality (Preference) Score is 7.04
with an EQ and would be 8.82 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.249, LW 0.181, SP 0.22, PIR 0.161; SM: SP0.957, PIR0.965; LFQ 0.524, LFX 37Hz
- Tonality (Preference) Score is 6.7
and would be 8.65 with a
perfect subwoofer.
- Link to original Review: eac review. Links to other reviews: yt review , history review , asr review .
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Vendor specifications:
- Sensitivity 87 dB
- Impedance 8 Ohm
- Size
- Width 190mm
- Height 362mm
- Depth 267 mm)
- Weight 8.4 kg
