What we know about the measurement:
PSI Audio A21-M is a active bookshelves speaker that cost around 3100USD each .
- Quality of the measurement data is low .
- Data is from Sound and Recording .
- Format of the data is a scanned image .
- -3dB (resp. -6db) point v.s. reference is at 36.5Hz (resp. 33.6Hz).
- Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 1.9dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 6.2
and would be 7.8 with a
perfect subwoofer.
- Details: NBD: ON 0.3, LW 0.36, SP 0.45, PIR 0.38; SM: SP0.91, PIR0.87; LFQ 1.87, LFX 34Hz
- Tonality (Preference) Score is 7.0
with an EQ and would be 8.5 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.2, LW 0.23, SP 0.38, PIR 0.29; SM: SP0.94, PIR0.92; LFQ 1.87, LFX 32Hz
- Tonality (Preference) Score is 6.2
and would be 7.8 with a
perfect subwoofer.
- Link to Original review.
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Vendor specifications:
- Dispersion: 80° horizontal and 30° vertical.
- SPL
- max: 106 dB
- peak: 121 dB
- Size
- Width 250mm
- Height 400mm
- Depth 300 mm)
- Weight 12.8 kg