- 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: 84.4 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 112.8Hz (resp. 98.1Hz).
- Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 3.5dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 0.86
and would be 4.5 with a
perfect subwoofer.
- Details: NBD: ON 0.743, LW 0.63, SP 0.552, PIR 0.531; SM: SP0.456, PIR0.111; LFQ 0.368, LFX 101Hz
- Tonality (Preference) Score is 4.61
with an EQ and would be 7.68 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.545, LW 0.42, SP 0.337, PIR 0.26; SM: SP0.935, PIR0.92; LFQ 0.325, LFX 74Hz
- Tonality (Preference) Score is 0.86
and would be 4.5 with a
perfect subwoofer.
- Link to Original review.
Polk Audio Atrium 4 is a passive outdoor that cost around 117 USD for a pair.
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -4.9dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 83.0 | 1.28 | 2.99 |
| PK | 113.0 | 0.28 | 2.99 |
| PK | 160.0 | 1.35 | -4.82 |
| PK | 395.0 | 2.84 | 1.35 |
| PK | 1954.0 | 2.39 | 2.99 |
| PK | 2670.0 | 0.37 | -2.7 |
| PK | 7566.0 | 1.13 | -5.66 |
| 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 | 0.5 |
| PK | 160.0 | 2.14 | -0.25 |
| PK | 250.0 | 2.14 | 0.0 |
| 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 | 0.0 |
| PK | 2500.0 | 2.14 | 0.0 |
| PK | 4000.0 | 2.14 | -0.5 |
| PK | 6300.0 | 2.14 | -1.0 |
| PK | 10000.0 | 2.14 | -0.75 |
| PK | 16000.0 | 2.14 | 0.75 |
| Download | |||
This EQ is designed for a 15 bands graphical EQ.
| Graphic EQ 31 bands | |||
| Set preamp gain to: -0.4dB. | |||
| 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 | 0.25 |
| PK | 125.0 | 4.32 | 0.0 |
| PK | 160.0 | 4.32 | -0.25 |
| PK | 200.0 | 4.32 | -0.25 |
| PK | 250.0 | 4.32 | 0.0 |
| PK | 315.0 | 4.32 | 0.0 |
| PK | 400.0 | 4.32 | 0.0 |
| PK | 500.0 | 4.32 | 0.0 |
| PK | 630.0 | 4.32 | 0.0 |
| PK | 800.0 | 4.32 | -0.25 |
| 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 | 0.0 |
| PK | 2500.0 | 4.32 | -0.25 |
| PK | 3150.0 | 4.32 | -0.5 |
| PK | 4000.0 | 4.32 | -0.5 |
| PK | 5000.0 | 4.32 | -0.75 |
| PK | 6300.0 | 4.32 | -1.0 |
| PK | 8000.0 | 4.32 | -1.0 |
| PK | 10000.0 | 4.32 | -0.75 |
| PK | 12000.0 | 4.32 | -0.5 |
| PK | 16000.0 | 4.32 | 0.25 |
| PK | 20000.0 | 4.32 | 0.0 |
| Download | |||