What we know about the measurement:

RBH Sound SV-61R is a passive bookshelves

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • Sensitivity: 89.1dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 251.3Hz (resp. 251.3Hz).
  • Reference level is normalised to 0.5dB 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 1.45 and would be 6.79 with a perfect subwoofer.
      • Details: NBD: ON 0.452, LW 0.333, SP 0.422, PIR 0.339; SM: SP0.78, PIR0.541; LFQ 10.0, LFX 251Hz
    • Tonality (Preference) Score is 3.33 with an EQ and would be 8.67 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.277, LW 0.172, SP 0.31, PIR 0.183; SM: SP0.964, PIR0.962; LFQ 10.0, LFX 251Hz
  • Link to Original review.
RBH Sound SV-61R
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
3 219.0 2.99 2.63
3 424.0 1.76 2.66
3 792.0 2.98 -1.21
3 2491.0 0.4 -1.83
3 6144.0 1.15 -2.22
3 7566.0 2.99 2.7
3 16239.0 0.25 2.87
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

RBH Sound SV-61R filters_auto_eq

AutomaticEQ

RBH Sound SV-61R filters_eq_full

Target v.s. EQ

RBH Sound SV-61R
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 0.5
3 630.0 2.14 0.25
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.25
3 6300.0 2.14 0.0
3 10000.0 2.14 0.25
3 16000.0 2.14 0.5
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These EQ is designed for a 15 bands graphical EQ.

RBH Sound SV-61R
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.25
3 400.0 4.32 0.5
3 500.0 4.32 0.25
3 630.0 4.32 0.25
3 800.0 4.32 0.0
3 1000.0 4.32 0.0
3 1250.0 4.32 0.0
3 1600.0 4.32 0.0
3 2000.0 4.32 0.0
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 0.0
3 5000.0 4.32 0.0
3 6300.0 4.32 0.0
3 8000.0 4.32 0.5
3 10000.0 4.32 0.5
3 12000.0 4.32 0.5
3 16000.0 4.32 0.5
3 20000.0 4.32 0.0
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These EQ is designed for a 31 bands graphical EQ.

RBH Sound SV-61R: comparison between EQs
RBH Sound SV-61R

Comparison betweens various EQs

RBH Sound SV-61R

Improvements made by EQ

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