- Quality of the measurement data is high.
- Origin of the data is ASR.
- Format of the data is generated by a Klippel NFS .
- -3dB (resp. -6db) point v.s. reference is at 43.9Hz (resp. 39.6Hz).
- Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.7dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 5.31
and would be 7.19 with a
perfect subwoofer.
- Details: NBD: ON 0.456, LW 0.404, SP 0.404, PIR 0.373; SM: SP0.909, PIR0.76; LFQ 0.747, LFX 39Hz
- Tonality (Preference) Score is 6.34
with an EQ and would be 8.22 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.356, LW 0.289, SP 0.298, PIR 0.248; SM: SP0.964, PIR0.936; LFQ 0.747, LFX 39Hz
- Tonality (Preference) Score is 5.31
and would be 7.19 with a
perfect subwoofer.
- Link to Original review.
Hedd Type 05 A-CORE is an active bookshelves that cost around 700 USD each.
Vendor specifications
- SPL
- peak: 106 dB
- Size
- Width 180mm
- Height 308mm
- Depth 235mm
- Weight 6.2kg
Directivity (-6dB)
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -1.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 1954.0 | 1.49 | 2.96 |
| PK | 72.0 | 2.14 | -2.14 |
| PK | 1010.0 | 2.99 | -1.17 |
| PK | 579.0 | 2.99 | 2.54 |
| PK | 1532.0 | 0.25 | -2.64 |
| PK | 270.0 | 0.73 | 1.83 |
| PK | 879.0 | 2.97 | 2.81 |
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