- Quality of the measurement data is high.
- Origin of the data is ErinsAudioCorner.
- Format of the data is generated by a Klippel NFS .
-
Sensitivity:
- Company: 85 dB
- Measured: 83.0 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 69.6Hz (resp. 49.1Hz).
- Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.9dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 5.88
and would be 8.02 with a
perfect subwoofer.
- Details: NBD: ON 0.349, LW 0.29, SP 0.276, PIR 0.264; SM: SP0.946, PIR0.861; LFQ 0.585, LFX 45Hz
- Tonality (Preference) Score is 6.55
with an EQ and would be 8.5 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.295, LW 0.24, SP 0.262, PIR 0.226; SM: SP0.979, PIR0.961; LFQ 0.585, LFX 41Hz
- Tonality (Preference) Score is 5.88
and would be 8.02 with a
perfect subwoofer.
- Link to original Review: eac review. Links to other reviews: yt review , asr review , npz review , tnw review .
KEF LS50 Meta is a passive bookshelves that cost around 1000 USD for a pair.
Vendor specifications
- Impedance 3.5 Ohm
- SPL
- peak: 106 dB
- Size
- Width 200mm
- Height 302mm
- Depth 280mm
- Weight 7.8kg
Directivity (-6dB)
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -4.0dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 42.0 | 1.04 | 2.88 |
| PK | 69.0 | 0.8 | 2.25 |
| PK | 105.0 | 1.21 | -2.21 |
| PK | 976.0 | 0.37 | -0.83 |
| PK | 2491.0 | 1.32 | 2.68 |
| PK | 5165.0 | 1.04 | -1.31 |
| PK | 16239.0 | 2.36 | -0.71 |
| 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 | 0.0 |
| 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 | 0.0 |
| PK | 1600.0 | 2.14 | 0.0 |
| PK | 2500.0 | 2.14 | 0.25 |
| PK | 4000.0 | 2.14 | 0.0 |
| PK | 6300.0 | 2.14 | 0.0 |
| PK | 10000.0 | 2.14 | 0.0 |
| PK | 16000.0 | 2.14 | 0.0 |
| Download | |||
This EQ is designed for a 15 bands graphical EQ.
| Graphic EQ 31 bands | |||
| Set preamp gain to: -0.8dB. | |||
| 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 | 0.0 |
| 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 | 0.0 |
| PK | 400.0 | 4.32 | -0.25 |
| PK | 500.0 | 4.32 | -0.25 |
| PK | 630.0 | 4.32 | -0.25 |
| PK | 800.0 | 4.32 | 0.0 |
| PK | 1000.0 | 4.32 | 0.0 |
| 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 | 0.25 |
| PK | 3150.0 | 4.32 | 0.25 |
| 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 | 0.0 |
| PK | 10000.0 | 4.32 | 0.0 |
| PK | 12000.0 | 4.32 | 0.0 |
| PK | 16000.0 | 4.32 | 0.0 |
| PK | 20000.0 | 4.32 | 0.0 |
| Download | |||