What we know about the measurement:

Revel F208 is a passive floorstanders that cost around 5000 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 88.4dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 46.9Hz (resp. 35.2Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-80.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.43 and would be 7.74 with a perfect subwoofer.
      • Details: NBD: ON 0.43, LW 0.35, SP 0.372, PIR 0.328; SM: SP0.936, PIR0.911; LFQ 0.746, LFX 29Hz
    • Tonality (Preference) Score is 7.0 with an EQ and would be 8.12 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.378, LW 0.334, SP 0.306, PIR 0.259; SM: SP0.939, PIR0.929; LFQ 0.746, LFX 26Hz
  • Link to Original review.
Revel F208
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
LS 46.0 0.63 2.68
PK 194.0 2.57 0.93
PK 331.0 2.64 -0.2
PK 1032.0 1.73 0.06
PK 1261.0 2.51 -0.63
PK 1948.0 2.46 2.01
PK 2721.0 2.73 -1.8
PK 4345.0 1.22 -0.16
PK 8199.0 0.34 1.06
Download

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

Revel F208 filters_auto_eq

AutomaticEQ

Revel F208 filters_eq_full

Target v.s. EQ

Revel F208
flipflop@ASR (IIR)
Set preamp gain to: -1.5dB.
Type Freq Q Gain
PK 373.0 10.0 -0.4
PK 427.0 8.0 0.8
PK 465.0 18.0 -0.4
PK 502.0 14.0 0.4
PK 660.0 15.0 -0.3
PK 765.0 7.0 0.6
PK 950.0 4.0 -1.0
PK 1100.0 8.0 0.7
PK 1267.0 9.0 -0.5
PK 1422.0 17.0 0.4
PK 1575.0 9.0 -0.3
PK 1980.0 6.0 1.2
PK 2290.0 15.0 0.4
PK 2480.0 14.0 -0.4
PK 2810.0 3.9 -1.2
PK 3680.0 5.0 0.6
PK 5405.0 6.5 0.7
PK 6480.0 6.5 -0.4
PK 7680.0 4.0 1.1
HS 13000.0 1.5772935127949521 1.5
Download

These EQ is designed by ASR member flipflop.

Revel F208
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.0
PK 100.0 2.14 -0.25
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.0
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Revel F208
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
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 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
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 0.25
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 0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.25
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Revel F208: comparison between EQs
Revel F208

Comparison betweens various EQs

Revel F208

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
Frequency Frequency with EQ
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