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
PK 219.0 2.99 2.63
PK 424.0 1.76 2.66
PK 792.0 2.98 -1.21
PK 2491.0 0.4 -1.83
PK 6144.0 1.15 -2.22
PK 7566.0 2.99 2.7
PK 16239.0 0.25 2.87
Download

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
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 0.5
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.0
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.25
PK 16000.0 2.14 0.5
Download

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
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 0.0
PK 63.0 4.32 0.0
PK 80.0 4.32 0.0
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 0.5
PK 500.0 4.32 0.25
PK 630.0 4.32 0.25
PK 800.0 4.32 0.0
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 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.5
PK 10000.0 4.32 0.5
PK 12000.0 4.32 0.5
PK 16000.0 4.32 0.5
PK 20000.0 4.32 0.0
Download

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
Frequency Frequency with EQ
;