- 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: 86.2 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 69.6Hz (resp. 41.0Hz).
- Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 1.6dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 6.39
and would be 8.16 with a
perfect subwoofer.
- Details: NBD: ON 0.336, LW 0.293, SP 0.258, PIR 0.248; SM: SP0.948, PIR0.886; LFQ 0.67, LFX 37Hz
- Tonality (Preference) Score is 7.01
with an EQ and would be 8.58 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.268, LW 0.228, SP 0.245, PIR 0.203; SM: SP0.964, PIR0.94; LFQ 0.842, LFX 33Hz
- Tonality (Preference) Score is 6.39
and would be 8.16 with a
perfect subwoofer.
- Link to original Review: asr review. Links to other reviews: eac review , yt review , white_paper review .
KEF R3 is a passive bookshelves that cost around 1400 USD for a pair.
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -2.8dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| LS | 69.0 | 0.66 | 2.87 |
| PK | 245.0 | 2.42 | -0.46 |
| PK | 391.0 | 2.98 | -0.85 |
| PK | 646.0 | 2.96 | -1.08 |
| PK | 1261.0 | 0.49 | 1.26 |
| PK | 2545.0 | 2.79 | 0.34 |
| PK | 4966.0 | 2.04 | -1.7 |
| PK | 10361.0 | 1.42 | -0.75 |
| PK | 12662.0 | 0.72 | 1.29 |
| Download | |||
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
| flipflop@ASR (IIR) | |||
| Set preamp gain to: -1.9dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 370.0 | 14.0 | -0.8 |
| PK | 545.0 | 10.0 | 0.5 |
| PK | 638.0 | 25.0 | -0.4 |
| PK | 832.0 | 10.0 | 0.6 |
| PK | 922.0 | 12.0 | 0.7 |
| PK | 1123.0 | 6.0 | 1.5 |
| PK | 1400.0 | 10.0 | 1.3 |
| PK | 1640.0 | 5.0 | 1.4 |
| PK | 1930.0 | 12.0 | 1.3 |
| PK | 2220.0 | 14.0 | 1.3 |
| PK | 2330.0 | 22.0 | -0.6 |
| PK | 2850.0 | 8.0 | -0.6 |
| PK | 3940.0 | 10.0 | -0.4 |
| PK | 4280.0 | 20.0 | -0.3 |
| PK | 5050.0 | 5.1 | -1.0 |
| PK | 6790.0 | 4.7 | -1.1 |
| PK | 7790.0 | 13.0 | 0.4 |
| PK | 8670.0 | 8.0 | -0.9 |
| PK | 10500.0 | 8.0 | -0.8 |
| PK | 16330.0 | 5.0 | 1.2 |
| Download | |||
This EQ is designed by ASR member flipflop.
| 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 | 0.0 |
| PK | 160.0 | 2.14 | -0.25 |
| PK | 250.0 | 2.14 | -0.25 |
| PK | 400.0 | 2.14 | -0.25 |
| PK | 630.0 | 2.14 | 0.0 |
| PK | 1000.0 | 2.14 | 0.25 |
| PK | 1600.0 | 2.14 | 0.25 |
| PK | 2500.0 | 2.14 | 0.0 |
| PK | 4000.0 | 2.14 | 0.0 |
| PK | 6300.0 | 2.14 | -0.25 |
| PK | 10000.0 | 2.14 | 0.0 |
| PK | 16000.0 | 2.14 | 0.25 |
| Download | |||
This EQ is designed for a 15 bands graphical EQ.
| Graphic EQ 31 bands | |||
| Set preamp gain to: -0.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 20.0 | 4.32 | 0.0 |
| PK | 25.0 | 4.32 | 0.5 |
| PK | 31.0 | 4.32 | 0.5 |
| PK | 40.0 | 4.32 | 0.5 |
| PK | 50.0 | 4.32 | 0.5 |
| PK | 63.0 | 4.32 | 0.5 |
| PK | 80.0 | 4.32 | 0.25 |
| PK | 100.0 | 4.32 | 0.0 |
| PK | 125.0 | 4.32 | -0.25 |
| PK | 160.0 | 4.32 | -0.25 |
| PK | 200.0 | 4.32 | 0.0 |
| PK | 250.0 | 4.32 | -0.25 |
| PK | 315.0 | 4.32 | 0.0 |
| PK | 400.0 | 4.32 | -0.25 |
| PK | 500.0 | 4.32 | 0.0 |
| PK | 630.0 | 4.32 | 0.0 |
| 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 | 0.25 |
| PK | 2000.0 | 4.32 | 0.25 |
| 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 | -0.25 |
| PK | 6300.0 | 4.32 | -0.25 |
| PK | 8000.0 | 4.32 | 0.0 |
| PK | 10000.0 | 4.32 | 0.0 |
| PK | 12000.0 | 4.32 | 0.0 |
| PK | 16000.0 | 4.32 | 0.25 |
| PK | 20000.0 | 4.32 | 0.0 |
| Download | |||