SOtM’s first Phono EQ product is being prepared. The model name is sPQ-100.

If you’re running an analog system, you can’t ignore how well-made phono EQ could affect sound quality. Experience it with sPQ-100.

If you have any inquiries regarding sPQ-100, please contact us here.

Thank you.

Key Features

  • Support various kind of EQ graph by selection switches

○ MM/MC cartridge selection
○ Input impedance/capacitance selection
○ Bass boost level selection
○ Bass turnover frequency selection
○ High frequency roll off frequency selection
○ Total gain selection

  • Wide input voltage range





User interface
  Power on/off switch
  Operating indicator LED x1
  MM/MC selection switch
  Input impedance/capacitance selection switch
MM : 47KΩ, 100pF, 150pF, 220pF, 330pF
MC : 15Ω, 20Ω, 100Ω, 500Ω, 10pF
  Bass boost level selection switch
14.4dB, 16dB, 20dB, 33dB
  Bass turnover frequency selection switch
250Hz, 354Hz, 500Hz, 800Hz
  High frequency roll off frequency selection switch
1592Hz, 2122Hz, 2500Hz, 3183Hz
  Total gain selection switch
40dB, 60dB, 70dB, 80dB
Input/Output clock signal
  Input signal
    Stereo RCA jack with earth terminal x 1
    MM input
Signal level : 0.1mVac ~ 1mVac @ 1KHz
Recommended impedance : 47KΩ
Recommended capacitance : 100pF ~ 330pF
Frequency response : 20Hz ~ 20KHz
    MC input
signal level : 3mVac ~ 10mVac @ 1KHz
Recommended impedance : 15Ω ~ 500Ω
Frequency response : 20Hz ~ 20KHz
  Output signal
    Stereo RCA jack RCA jack
    Output signal level : 8Vac Max (TBD)
    Output impedance : 20Ω typical
    Frequency response : 20Hz ~ 20KHz
    SNR : TDB @ 1KHz, A-weighted
  Tolerance : ±10%(all signal level, gain and frequency)
DC power input
  Input voltage : 7Vdc~12Vdc
  Input current : 1A max
  5.5mm OD, 2.1mm ID adaptor jack
Operating environment
  Operating temperature : 0 ~ +40℃
  Storage temperature : 0 ~ +40℃
  Operating & storage humidity : 10% ~ 90%
  106 x 48 x 245(mm)
  1.5kg >