Notice

Warning

We have multiple measurements for this speaker. Click here to see the default one (which is higher quality if we have one measurement better than the others).

What we know about the measurement:

Theory Audio SB25 is a passive bookshelves that cost around 1700 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is Theory Audio.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 60.0Hz (resp. 56.0Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.61 and would be 7.14 with a perfect subwoofer.
      • Details: NBD: ON 0.354, LW 0.329, SP 0.456, PIR 0.384; SM: SP0.775, PIR0.645; LFQ 1.12, LFX 56Hz
    • Tonality (Preference) Score is 4.37 with an EQ and would be 6.85 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.459, LW 0.412, SP 0.501, PIR 0.436; SM: SP0.862, PIR0.696; LFQ 1.12, LFX 54Hz
Theory Audio SB25
AutomaticEQ (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 56.0 2.99 2.85
PK 178.0 0.26 -0.97
PK 1244.0 3.0 -2.79
PK 1480.0 1.26 2.99
PK 4342.0 1.96 -2.08
PK 6818.0 2.23 -1.11
PK 12301.0 2.96 -1.33
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Theory Audio SB25
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
PK 25.0 2.14 0.75
PK 40.0 2.14 0.75
PK 63.0 2.14 0.25
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
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 0.5
PK 2500.0 2.14 0.25
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
Theory Audio SB25
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 0.25
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 0.25
PK 630.0 4.32 0.0
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 0.25
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 -0.25
PK 5000.0 4.32 0.0
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.0
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Theory Audio SB25: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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