- Quality of the measurement data is high.
- Origin of the data is ASR.
- Format of the data is generated by a Klippel NFS .
-
Sensitivity:
- Measured: 90.7 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 67.4Hz (resp. 48.3Hz).
- Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.6dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 5.89
and would be 7.3 with a
perfect subwoofer.
- Details: NBD: ON 0.551, LW 0.456, SP 0.326, PIR 0.328; SM: SP0.965, PIR0.85; LFQ 1.447, LFX 30Hz
- Tonality (Preference) Score is 6.99
with an EQ and would be 8.31 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.379, LW 0.286, SP 0.274, PIR 0.21; SM: SP0.971, PIR0.949; LFQ 1.447, LFX 29Hz
- Tonality (Preference) Score is 5.89
and would be 7.3 with a
perfect subwoofer.
- Vertical measurement
- Link to Original review.
- Link to original Review: white_paper review. .
KEF Reference 4C is a passive center that cost around 7500 USD
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -3.0dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| LS | 73.0 | 1.27 | 2.99 |
| PK | 366.0 | 2.73 | 1.36 |
| PK | 432.0 | 2.96 | -0.79 |
| PK | 1141.0 | 2.9 | 2.46 |
| PK | 1491.0 | 2.94 | -1.84 |
| PK | 1948.0 | 1.89 | 1.13 |
| PK | 3676.0 | 2.91 | -0.96 |
| PK | 6069.0 | 2.99 | -1.32 |
| PK | 13537.0 | 0.62 | 2.18 |
| Download | |||
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
| Graphic EQ 15 bands | |||
| Set preamp gain to: -0.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 25.0 | 2.14 | 0.5 |
| PK | 40.0 | 2.14 | 0.5 |
| PK | 63.0 | 2.14 | 0.5 |
| PK | 100.0 | 2.14 | 0.25 |
| PK | 160.0 | 2.14 | 0.0 |
| PK | 250.0 | 2.14 | 0.0 |
| PK | 400.0 | 2.14 | 0.25 |
| PK | 630.0 | 2.14 | 0.25 |
| PK | 1000.0 | 2.14 | 0.25 |
| PK | 1600.0 | 2.14 | 0.0 |
| PK | 2500.0 | 2.14 | 0.0 |
| PK | 4000.0 | 2.14 | 0.0 |
| PK | 6300.0 | 2.14 | 0.0 |
| PK | 10000.0 | 2.14 | 0.25 |
| PK | 16000.0 | 2.14 | 0.5 |
| Download | |||
This EQ is designed for a 15 bands graphical EQ.
| Graphic EQ 31 bands | |||
| Set preamp gain to: -0.5dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 20.0 | 4.32 | 0.0 |
| PK | 25.0 | 4.32 | 0.25 |
| PK | 31.0 | 4.32 | 0.25 |
| PK | 40.0 | 4.32 | 0.25 |
| PK | 50.0 | 4.32 | 0.25 |
| PK | 63.0 | 4.32 | 0.25 |
| PK | 80.0 | 4.32 | 0.25 |
| PK | 100.0 | 4.32 | 0.0 |
| PK | 125.0 | 4.32 | 0.0 |
| PK | 160.0 | 4.32 | 0.0 |
| PK | 200.0 | 4.32 | 0.0 |
| PK | 250.0 | 4.32 | 0.0 |
| PK | 315.0 | 4.32 | 0.25 |
| PK | 400.0 | 4.32 | 0.25 |
| PK | 500.0 | 4.32 | 0.0 |
| PK | 630.0 | 4.32 | 0.25 |
| PK | 800.0 | 4.32 | 0.0 |
| PK | 1000.0 | 4.32 | 0.25 |
| PK | 1250.0 | 4.32 | 0.25 |
| PK | 1600.0 | 4.32 | 0.0 |
| PK | 2000.0 | 4.32 | 0.0 |
| PK | 2500.0 | 4.32 | 0.0 |
| PK | 3150.0 | 4.32 | 0.0 |
| PK | 4000.0 | 4.32 | 0.0 |
| PK | 5000.0 | 4.32 | 0.0 |
| PK | 6300.0 | 4.32 | 0.0 |
| PK | 8000.0 | 4.32 | 0.25 |
| PK | 10000.0 | 4.32 | 0.25 |
| PK | 12000.0 | 4.32 | 0.25 |
| PK | 16000.0 | 4.32 | 0.5 |
| PK | 20000.0 | 4.32 | 0.0 |
| Download | |||