What we know about the measurement:

Technics SB-C700 is a passive bookshelves that cost around 1700 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: 86.1dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 85.0Hz (resp. 48.3Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-70.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.96 and would be 7.09 with a perfect subwoofer.
      • Details: NBD: ON 0.464, LW 0.333, SP 0.318, PIR 0.296; SM: SP0.804, PIR0.627; LFQ 0.523, LFX 45Hz
    • Tonality (Preference) Score is 6.38 with an EQ and would be 8.25 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.371, LW 0.294, SP 0.242, PIR 0.213; SM: SP0.969, PIR0.92; LFQ 0.523, LFX 39Hz
  • Link to Original review.
Technics SB-C700
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
5 102.0 0.8 2.88
3 404.0 2.17 0.51
3 646.0 2.51 0.41
3 1141.0 2.41 1.35
3 1348.0 0.47 -0.67
3 2082.0 2.81 1.21
3 4492.0 1.95 -1.17
3 6489.0 1.22 -2.28
3 9064.0 1.19 -0.84
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Technics SB-C700 filters_auto_eq

AutomaticEQ

Technics SB-C700 filters_eq_full

Target v.s. EQ

Technics SB-C700
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 0.0
3 4000.0 2.14 -0.25
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.5
3 16000.0 2.14 0.75
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These EQ is designed for a 15 bands graphical EQ.

Technics SB-C700
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.5
3 100.0 4.32 0.25
3 125.0 4.32 0.0
3 160.0 4.32 -0.25
3 200.0 4.32 -0.25
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
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 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.5
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.75
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Technics SB-C700: comparison between EQs
Technics SB-C700

Comparison betweens various EQs

Technics SB-C700

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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