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Figure 1: Speaker Baffle Step Correction (BSC) Circuit Schematic

Where:

• R_e is the DC resistance of the driver voice coil [ohms],
• W_b is the width of the baffle [inches],
• dB is the amount of attenuation required [decibels],
• f₃ is the frequency midpoint of the transition from 4π space to 2π space,
• L_bsc is the calculated baffle step correction circuit Inductor [mH] and
• R_bsc is the calculated baffle step correction circuit Resistor [ohms].

You can use this online calculator to determine the value of the required baffle step correction circuit Inductor (L_bsc) and Resistor (R_bsc). To use the online calculator, simply enter R_e, W_b and dB (the amount of attenuation required) into the boxes below and click the CALCULATE button. Use the CLEAR button to reset all the values.

NOTE: This online calculator requires that JavaScript be enabled on your browser.

Re [ohms]

Wb [inches]

dB [decibels]

f3    [Hz]

Lbsc [mH]

Rbsc [ohms]

Speaker Baffle Step Compensation Cicuit Calculator

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