What we know about the measurement:

Teac S-300HR is a passive bookshelves that cost around 800 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: 84.1dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 171.4Hz (resp. 71.8Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.43 and would be 5.22 with a perfect subwoofer.
      • Details: NBD: ON 0.823, LW 0.573, SP 0.405, PIR 0.458; SM: SP0.846, PIR0.415; LFQ 0.356, LFX 64Hz
    • Tonality (Preference) Score is 4.21 with an EQ and would be 6.82 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.71, LW 0.443, SP 0.358, PIR 0.347; SM: SP0.914, PIR0.84; LFQ 0.356, LFX 58Hz
  • Link to Original review.
Teac S-300HR
AutomaticEQ (IIR)
Set preamp gain to: -2.3dB.
Type Freq Q Gain
5 457.0 0.6 2.31
3 10608.0 3.0 2.09
3 1289.0 3.0 -2.46
3 2119.0 2.99 1.67
3 4569.0 2.97 -1.92
3 7323.0 3.0 -1.11
3 977.0 3.0 -1.09
3 250.0 3.0 -0.76
3 2633.0 2.97 -0.75
Download

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

Teac S-300HR filters_auto_eq

AutomaticEQ

Teac S-300HR filters_eq_full

Target v.s. EQ

Teac S-300HR
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 0.5
3 160.0 2.14 0.5
3 250.0 2.14 0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.25
3 1000.0 2.14 -0.5
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.25
3 6300.0 2.14 -0.5
3 10000.0 2.14 0.0
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Teac S-300HR
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 0.5
3 125.0 4.32 0.5
3 160.0 4.32 0.5
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.5
3 400.0 4.32 0.0
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 -0.5
3 1250.0 4.32 -0.5
3 1600.0 4.32 -0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.25
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 -0.5
3 8000.0 4.32 -0.5
3 10000.0 4.32 0.0
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.

Teac S-300HR: comparison between EQs
Teac S-300HR

Comparison betweens various EQs

Teac S-300HR

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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