JBL 308P Mark ii is an active bookshelves that cost around 500 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:
    • Company: 92 dB
  • -3dB (resp. -6db) point v.s. reference is at 42.5Hz (resp. 39.6Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.56 and would be 7.37 with a perfect subwoofer.
      • Details: NBD: ON 0.396, LW 0.355, SP 0.331, PIR 0.314; SM: SP0.843, PIR0.696; LFQ 0.802, LFX 38Hz
    • Tonality (Preference) Score is 6.36 with an EQ and would be 8.1 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.357, LW 0.312, SP 0.292, PIR 0.268; SM: SP0.943, PIR0.91; LFQ 0.802, LFX 36Hz
  • Link to Original review.
JBL 308P Mark ii

Vendor specifications

  • Dispersion: 120° horizontal and 90° vertical.
  • SPL
    • max: 102 dB
    • peak: 112 dB
  • Size
    • Width 254mm
    • Height 419mm
    • Depth 308mm
  • Weight 8.1kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
LS 47.0 0.5 2.38
PK 89.0 2.75 1.79
PK 181.0 2.88 0.98
PK 547.0 0.44 1.53
PK 1032.0 2.01 -1.6
PK 1348.0 2.91 2.64
PK 4492.0 2.58 -0.05
PK 6276.0 2.15 -0.01
PK 11077.0 0.64 -0.22
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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: -1.0dB.
Type Freq Q Gain
PK 335.0 9.0 0.5
PK 396.0 15.0 1.1
PK 449.0 15.0 -0.7
PK 592.0 10.0 1.4
PK 637.0 25.0 -0.9
PK 1366.0 5.0 3.0
PK 1557.0 1.0 -2.3
PK 1590.0 9.0 -0.7
PK 1765.0 11.0 0.9
PK 1930.0 16.0 -0.7
PK 2120.0 15.0 0.6
PK 2285.0 20.0 -0.7
PK 2330.0 4.999 0.9
PK 2630.0 15.0 -1.1
PK 2840.0 14.0 1.1
PK 3620.0 10.0 -0.8
PK 6635.0 1.0 -1.2
PK 9400.0 6.0 -1.2
PK 13300.0 1.2 1.9
PK 16000.0 1.8 -4.7
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This EQ is designed by ASR member flipflop.
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
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 -0.5
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 -0.75
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This EQ is designed for a 15 bands graphical EQ.
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 0.0
PK 63.0 4.32 0.0
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 0.0
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 -0.25
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 -0.25
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 -0.5
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 -0.5
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 -0.5
PK 16000.0 4.32 -0.75
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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