What we know about the measurement:

Fostex PM03 is an active bookshelves that cost around 150 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 .
  • -3dB (resp. -6db) point v.s. reference is at 108.4Hz (resp. 90.8Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.2 and would be 6.64 with a perfect subwoofer.
      • Details: NBD: ON 0.522, LW 0.393, SP 0.425, PIR 0.361; SM: SP0.72, PIR0.578; LFQ 0.171, LFX 90Hz
    • Tonality (Preference) Score is 5.33 with an EQ and would be 8.44 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.366, LW 0.215, SP 0.271, PIR 0.17; SM: SP0.928, PIR0.939; LFQ 0.171, LFX 76Hz
  • Link to Original review.
Fostex PM03
AutomaticEQ (IIR)
Set preamp gain to: -4.2dB.
Type Freq Q Gain
PK 92.0 2.13 3.0
PK 109.0 0.61 2.99
PK 166.0 0.96 -4.17
PK 2094.0 2.28 2.98
PK 2765.0 2.86 -0.51
PK 3912.0 0.74 -2.27
PK 15685.0 1.11 2.98
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Fostex PM03
flipflop@ASR (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
PK 410.0 4.0 0.4
PK 515.0 4.0 0.6
PK 748.0 11.0 -0.2
PK 962.0 13.0 -0.5
PK 1130.0 7.0 0.6
PK 1325.0 12.0 -0.7
PK 1587.0 5.0 -11.1
PK 1598.0 4.091 12.2
PK 1940.0 18.0 0.7
PK 1964.0 4.512 0.3
PK 2168.0 5.0 1.2
PK 2210.0 15.0 0.6
PK 3115.0 16.0 -0.3
PK 3730.0 10.0 0.4
PK 4150.0 1.0 -2.3
PK 5850.0 4.0 -0.4
PK 7420.0 10.0 0.5
PK 8480.0 6.0 -1.0
PK 10100.0 3.5 0.7
PK 15200.0 1.9 3.0
Download
This EQ is designed by ASR member flipflop.
Fostex PM03
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.25
PK 100.0 2.14 0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.0
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.5
Download
This EQ is designed for a 15 bands graphical EQ.
Fostex PM03
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 0.25
PK 80.0 4.32 0.25
PK 100.0 4.32 0.25
PK 125.0 4.32 0.0
PK 160.0 4.32 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
PK 315.0 4.32 -0.25
PK 400.0 4.32 -0.25
PK 500.0 4.32 -0.25
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.5
PK 4000.0 4.32 -0.5
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.25
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
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Fostex PM03: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;