- 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: 86.4 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 85.7Hz (resp. 56.4Hz).
- Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 3.1dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 4.24
and would be 6.57 with a
perfect subwoofer.
- Details: NBD: ON 0.579, LW 0.495, SP 0.443, PIR 0.431; SM: SP0.869, PIR0.701; LFQ 0.404, LFX 50Hz
- Tonality (Preference) Score is 6.1
with an EQ and would be 8.05 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.396, LW 0.358, SP 0.282, PIR 0.28; SM: SP0.963, PIR0.947; LFQ 0.486, LFX 41Hz
- Tonality (Preference) Score is 4.24
and would be 6.57 with a
perfect subwoofer.
- Link to Original review.
Ascend Acoustics Sierra 2 is a passive bookshelves that cost around 1500 USD for a pair.
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -4.5dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| LS | 85.0 | 0.86 | 2.98 |
| PK | 418.0 | 2.94 | -1.31 |
| PK | 790.0 | 2.98 | -2.63 |
| PK | 1220.0 | 1.78 | -1.28 |
| PK | 2082.0 | 2.48 | -0.56 |
| PK | 4492.0 | 2.28 | -2.93 |
| PK | 6709.0 | 2.96 | -1.47 |
| PK | 9691.0 | 2.26 | -1.83 |
| LS | 16000.0 | 0.86 | 1.48 |
| 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: -2.2dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 350.0 | 12.0 | 3.1 |
| PK | 376.0 | 20.0 | -1.4 |
| PK | 400.0 | 4.892 | -1.8 |
| PK | 526.0 | 5.0 | 0.8 |
| PK | 580.0 | 5.0 | -1.8 |
| PK | 620.0 | 5.0 | 2.8 |
| PK | 731.0 | 3.826 | -3.9 |
| PK | 948.0 | 4.992 | -1.6 |
| PK | 1337.0 | 5.0 | -1.7 |
| PK | 1815.0 | 30.0 | -0.7 |
| PK | 2078.0 | 5.0 | -3.8 |
| PK | 2113.0 | 2.064 | 5.0 |
| PK | 2425.0 | 5.0 | -2.4 |
| PK | 4457.0 | 1.365 | -1.8 |
| PK | 5659.0 | 5.0 | 1.4 |
| PK | 6700.0 | 8.0 | -0.7 |
| PK | 7610.0 | 10.0 | 1.0 |
| PK | 8470.0 | 15.0 | -0.8 |
| PK | 8568.0 | 5.0 | -1.1 |
| PK | 9500.0 | 8.0 | 0.9 |
| 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 | 0.25 |
| 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 | 0.0 |
| PK | 1000.0 | 2.14 | 0.0 |
| PK | 1600.0 | 2.14 | 0.25 |
| PK | 2500.0 | 2.14 | 0.0 |
| PK | 4000.0 | 2.14 | -0.25 |
| 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: -0.8dB. | |||
| 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 | 0.5 |
| PK | 100.0 | 4.32 | 0.25 |
| PK | 125.0 | 4.32 | 0.25 |
| 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 | 0.0 |
| PK | 630.0 | 4.32 | 0.0 |
| PK | 800.0 | 4.32 | -0.25 |
| PK | 1000.0 | 4.32 | 0.0 |
| PK | 1250.0 | 4.32 | 0.0 |
| 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 | -0.25 |
| PK | 5000.0 | 4.32 | -0.25 |
| PK | 6300.0 | 4.32 | -0.25 |
| PK | 8000.0 | 4.32 | -0.25 |
| 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 | |||