What we know about the measurement:
Quad Electroacoustics ESL-57 is a passive panel speaker .
- Quality of the measurement data is low .
- Origin of the data is Princeton .
- Format of the data is .
- Sensitivity: 92.8dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
- Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 5.9dB over the same frequency range.
- Directivity
- Horizontal directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is -2.9
and would be 3.8 with a
perfect subwoofer.
- Details: NBD: ON 0.87, LW 0.77, SP 0.69, PIR 0.65; SM: SP0.13, PIR0.1; LFQ 10, LFX 509Hz
- Tonality (Preference) Score is -0.1
with an EQ and would be 6.5 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.7, LW 0.52, SP 0.47, PIR 0.39; SM: SP0.7, PIR0.76; LFQ 10, LFX 509Hz
- Tonality (Preference) Score is -2.9
and would be 3.8 with a
perfect subwoofer.
- Link to Original review.