What we know about the measurement:

JBL SRX835P is an active bookshelves that cost around 3400 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 39.6Hz (resp. 36.6Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.25 and would be 3.91 with a perfect subwoofer.
      • Details: NBD: ON 0.907, LW 0.852, SP 0.862, PIR 0.845; SM: SP0.734, PIR0.44; LFQ 2.251, LFX 35Hz
    • Tonality (Preference) Score is 3.33 with an EQ and would be 4.98 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.778, LW 0.714, SP 0.805, PIR 0.739; SM: SP0.833, PIR0.627; LFQ 2.251, LFX 35Hz
  • Link to Original review.
JBL SRX835P
AutomaticEQ (IIR)
Set preamp gain to: -1.3dB.
Type Freq Q Gain
3 36.0 2.9 2.98
3 52.0 0.26 -2.07
3 139.0 2.99 3.0
3 409.0 1.11 -3.16
3 643.0 1.17 2.8
3 4654.0 2.35 -2.87
3 14134.0 1.02 -8.99
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

JBL SRX835P filters_auto_eq

AutomaticEQ

JBL SRX835P filters_eq_full

Target v.s. EQ

JBL SRX835P
AutomaticEQ LW (IIR)
Set preamp gain to: -4.1dB.
Type Freq Q Gain
3 39.0 3.0 0.31
3 39.0 2.78 2.64
3 54.0 1.08 -2.69
3 378.0 1.17 -2.99
3 714.0 1.58 2.75
3 2909.0 2.78 2.74
3 3008.0 0.25 1.37
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These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

JBL SRX835P
AutomaticEQ Score (IIR)
Set preamp gain to: -3.6dB.
Type Freq Q Gain
3 39.0 2.74 2.68
3 56.0 1.72 -2.94
3 391.0 1.2 -2.62
3 668.0 1.93 2.82
3 1491.0 0.81 1.81
3 3008.0 2.94 2.97
3 13537.0 1.07 -3.0
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JBL SRX835P
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 -0.25
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 -0.25
3 400.0 2.14 -0.25
3 630.0 2.14 0.25
3 1000.0 2.14 0.25
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 0.0
3 10000.0 2.14 -0.25
3 16000.0 2.14 -0.75
Download

These EQ is designed for a 15 bands graphical EQ.

JBL SRX835P
Graphic EQ 31 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 -0.25
3 63.0 4.32 -0.25
3 80.0 4.32 -0.25
3 100.0 4.32 0.0
3 125.0 4.32 0.25
3 160.0 4.32 0.25
3 200.0 4.32 -0.25
3 250.0 4.32 -0.25
3 315.0 4.32 -0.25
3 400.0 4.32 -0.25
3 500.0 4.32 0.0
3 630.0 4.32 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.5
3 2000.0 4.32 0.5
3 2500.0 4.32 0.5
3 3150.0 4.32 0.75
3 4000.0 4.32 0.0
3 5000.0 4.32 0.25
3 6300.0 4.32 0.25
3 8000.0 4.32 0.25
3 10000.0 4.32 0.25
3 12000.0 4.32 -0.5
3 16000.0 4.32 -0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

JBL SRX835P: comparison between EQs
JBL SRX835P

Comparison betweens various EQs

JBL SRX835P

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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