Using Spinorama and its measurement data
Measurement data license: CC BY-NC-SA 4.0 unless otherwise stated for a specific measurement. Commercial use is not permitted under this license. Credit the original measurement creator and source, link to the license, indicate changes, and share adaptations under the same or a compatible license. Measurement-specific terms take precedence. Licensing FAQ and commercial permissions.
Measurement source: AudioScienceReview License: CC BY-NC-SA 4.0

KEF R3 is a passive bookshelves that cost around 1400 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 .
  • Tonality (Preference) Score is *** (measurement is truncated at low frequencies).
  • Tonality (Preference) Score with EQ is *** (measurement is truncated at low frequencies).
  • Link to original Review: asr review. Links to other reviews: eac review , yt review , white_paper review .
KEF R3
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
LS 69.0 0.66 2.87
PK 245.0 2.42 -0.46
PK 391.0 2.98 -0.85
PK 646.0 2.96 -1.08
PK 1261.0 0.49 1.26
PK 2545.0 2.79 0.34
PK 4966.0 2.04 -1.7
PK 10361.0 1.42 -0.75
PK 12662.0 0.72 1.29
Download

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

flipflop@ASR (IIR)
Set preamp gain to: -1.9dB.
Type Freq Q Gain
PK 370.0 14.0 -0.8
PK 545.0 10.0 0.5
PK 638.0 25.0 -0.4
PK 832.0 10.0 0.6
PK 922.0 12.0 0.7
PK 1123.0 6.0 1.5
PK 1400.0 10.0 1.3
PK 1640.0 5.0 1.4
PK 1930.0 12.0 1.3
PK 2220.0 14.0 1.3
PK 2330.0 22.0 -0.6
PK 2850.0 8.0 -0.6
PK 3940.0 10.0 -0.4
PK 4280.0 20.0 -0.3
PK 5050.0 5.1 -1.0
PK 6790.0 4.7 -1.1
PK 7790.0 13.0 0.4
PK 8670.0 8.0 -0.9
PK 10500.0 8.0 -0.8
PK 16330.0 5.0 1.2
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This EQ is designed by ASR member flipflop.

Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.0
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.0
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.25
Download

This EQ is designed for a 15 bands graphical EQ.

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 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.5
PK 80.0 4.32 0.25
PK 100.0 4.32 0.0
PK 125.0 4.32 -0.25
PK 160.0 4.32 -0.25
PK 200.0 4.32 0.0
PK 250.0 4.32 -0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 -0.25
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 0.25
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.25
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 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 0.0
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

This EQ is designed for a 31 bands graphical EQ.

Quick config:
Quick config:
Quick config:
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