What we know about the measurement:

Totem Acoustics Rainmaker is a passive bookshelves that cost around 500 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 85.5dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 68.8Hz (resp. 41.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.91 and would be 4.86 with a perfect subwoofer.
      • Details: NBD: ON 0.659, LW 0.581, SP 0.557, PIR 0.554; SM: SP0.531, PIR0.208; LFQ 0.449, LFX 41Hz
    • Tonality (Preference) Score is 6.14 with an EQ and would be 7.64 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.437, LW 0.366, SP 0.395, PIR 0.344; SM: SP0.932, PIR0.894; LFQ 0.506, LFX 32Hz
  • Link to Original review.
Totem Acoustics Rainmaker
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
5 102.0 0.91 2.97
3 194.0 0.82 -3.0
3 354.0 2.8 0.86
3 691.0 2.71 1.94
3 1141.0 2.88 1.51
3 3008.0 2.86 2.42
3 6276.0 2.61 -1.62
3 7417.0 0.66 -2.12
3 9372.0 0.39 -2.83
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Totem Acoustics Rainmaker filters_auto_eq

AutomaticEQ

Totem Acoustics Rainmaker filters_eq_full

Target v.s. EQ

Totem Acoustics Rainmaker
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.25
3 100.0 2.14 0.0
3 160.0 2.14 -0.5
3 250.0 2.14 -0.5
3 400.0 2.14 -0.25
3 630.0 2.14 0.0
3 1000.0 2.14 -0.25
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.75
3 6300.0 2.14 -1.0
3 10000.0 2.14 -1.0
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Totem Acoustics Rainmaker
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 0.25
3 80.0 4.32 0.25
3 100.0 4.32 0.0
3 125.0 4.32 -0.25
3 160.0 4.32 -0.5
3 200.0 4.32 -0.5
3 250.0 4.32 -0.5
3 315.0 4.32 -0.25
3 400.0 4.32 -0.25
3 500.0 4.32 -0.25
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 -0.25
3 1250.0 4.32 0.0
3 1600.0 4.32 -0.25
3 2000.0 4.32 -0.25
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.75
3 5000.0 4.32 -0.75
3 6300.0 4.32 -1.0
3 8000.0 4.32 -1.0
3 10000.0 4.32 -0.75
3 12000.0 4.32 -0.75
3 16000.0 4.32 -0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Totem Acoustics Rainmaker: comparison between EQs
Totem Acoustics Rainmaker

Comparison betweens various EQs

Totem Acoustics Rainmaker

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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