What we know about the measurement:

RBH Sound R-5 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: 83.8dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 263.7Hz (resp. 251.3Hz).
  • Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -0.52 and would be 4.81 with a perfect subwoofer.
      • Details: NBD: ON 0.646, LW 0.531, SP 0.556, PIR 0.546; SM: SP0.461, PIR0.162; LFQ 10.0, LFX 251Hz
    • Tonality (Preference) Score is 1.69 with an EQ and would be 7.03 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.353, LW 0.269, SP 0.29, PIR 0.241; SM: SP0.717, PIR0.41; LFQ 10.0, LFX 251Hz
  • Link to Original review.
RBH Sound R-5
AutomaticEQ (IIR)
Set preamp gain to: -3.4dB.
Type Freq Q Gain
3 331.0 0.25 3.0
3 391.0 1.02 -2.44
3 391.0 2.92 3.0
3 903.0 3.0 -2.92
3 2380.0 2.04 -2.46
3 4492.0 2.49 -2.98
3 12246.0 0.67 3.0
Download

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

RBH Sound R-5 filters_auto_eq

AutomaticEQ

RBH Sound R-5 filters_eq_full

Target v.s. EQ

RBH Sound R-5
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 -0.5
3 4000.0 2.14 -0.25
3 6300.0 2.14 -0.25
3 10000.0 2.14 0.25
3 16000.0 2.14 0.25
Download

These EQ is designed for a 15 bands graphical EQ.

RBH Sound R-5
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 0.5
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 0.25
3 1600.0 4.32 0.0
3 2000.0 4.32 -0.25
3 2500.0 4.32 -0.5
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 0.25
3 10000.0 4.32 0.25
3 12000.0 4.32 0.25
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.

RBH Sound R-5: comparison between EQs
RBH Sound R-5

Comparison betweens various EQs

RBH Sound R-5

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
;