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Reference layout

Active subwoofer filter circuit

dilshan-subwoofer-filter-calc-sample-sub-bandpass-layout

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dilshan-subwoofer-filter-calc-sample-sub-bandpass-layout

The project archive carries the board, its project file and the upstream licence. The archive is zstd-compressed (tar.zst).

41Placed parts
23Nets
2Copper layers
111.25 × 36.83 mmBoard size
yesRouted
KiCad 5File format

Bill of materials

41 distinct parts

41 resolve to something in the catalog — click through to the footprint.

RefValueFootprintQty
C12200MFD/35VCapacitor_THT:CP_Radial_D22.0mm_P10.00mm_SnapIn
C100.22MFDCapacitor_THT:C_Rect_L11.0mm_W4.2mm_P10.00mm_MKT
C110.22MFDCapacitor_THT:C_Rect_L11.0mm_W4.2mm_P10.00mm_MKT
C120.022MFDCapacitor_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm
C130.0033MFDCapacitor_THT:C_Disc_D6.0mm_W4.4mm_P5.00mm
C21MFD/16VCapacitor_THT:CP_Radial_D5.0mm_P2.50mm
C30.1MFDCapacitor_THT:C_Rect_L9.0mm_W4.2mm_P7.50mm_MKT
C40.1MFDCapacitor_THT:C_Rect_L9.0mm_W4.2mm_P7.50mm_MKT
C52200MFD/35VCapacitor_THT:CP_Radial_D22.0mm_P10.00mm_SnapIn
C61MFD/16VCapacitor_THT:CP_Radial_D5.0mm_P2.50mm
C74.7MFD/25VCapacitor_THT:CP_Radial_D5.0mm_P2.50mm
C80.068MFDCapacitor_THT:C_Rect_L9.0mm_W4.0mm_P7.50mm_MKT
C90.22MFDCapacitor_THT:C_Rect_L11.0mm_W4.2mm_P10.00mm_MKT
D1KBP206Diode_THT:Diode_Bridge_Vishay_KBPM
H1M3-HOLEMountingHole:MountingHole_3.2mm_M3
H2M3-HOLEMountingHole:MountingHole_3.2mm_M3
H3M3-HOLEMountingHole:MountingHole_3.2mm_M3
H4M3-HOLEMountingHole:MountingHole_3.2mm_M3
J13.5mm FemaleConnector_Phoenix_MC:PhoenixContact_MCV_1,5_3-G-3.5_1x03_P3.50mm_Vertical
J22.54mm MaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical
J32.54mm MaleConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical
R110KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R1012KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R1115KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R125.6KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R2330RResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R32.2KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R41.8KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R510KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R610KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R710KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R81KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
R939KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
RV120KPotentiometer_THT:Potentiometer_Runtron_RM-065_Vertical
TP1AIN-TPTestPoint:TestPoint_THTPad_1.5x1.5mm_Drill0.7mm
TP2LPF-TPTestPoint:TestPoint_THTPad_1.5x1.5mm_Drill0.7mm
TP3HPF-TPTestPoint:TestPoint_THTPad_1.5x1.5mm_Drill0.7mm
U1L7812Package_TO_SOT_THT:TO-220-3_Vertical
U2NJM4558Package_DIP:DIP-8_W7.62mm_LongPads
U3NJM4558Package_DIP:DIP-8_W7.62mm_LongPads
Show the other 1
U4L7912Package_TO_SOT_THT:TO-220-3_Vertical

Provenance

Commit
e2161779db09ea37fadad1affd4c5a4012abdd0a
Licence
MIT

How it is used

Trace's agent reads this design as context — what parts a board like this carries, how they are grouped across sheets, what a plausible layer stack and board size look like for the job. It is not copied. The licence above is permissive, and it, the repository and the commit are recorded so the origin of anything derived from it is always answerable.