Free Speaker Plans

Build your own cabinet: free plans for horn-loaded, bass reflex, dual reflex and push-pull designs, matched to the drivers we stock. Click a plan to open the PDF.

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  15" Punisher LOADED HORN

  Loaded horn that can achieve low sub bass to 20htz using the 15" version of the Ciare Punisher super sub. 18mm birch ply is recommended.

  View plan (PDF) Recommended driverCIARE 15.00 SW 1000watt 8ohm 20Hz SUB-WOOFER£234.00
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  15" Bass Reflex

  Bass Reflex cabinet designed that has been tuned to achieve 20-500htz. The compact design makes the cabinet highly portable.

  View plan (PDF) Recommended driverCIARE 15.00 SW 1000watt 8ohm 20Hz SUB-WOOFER£234.00
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  15" Dual Reflex

  Dual Reflex cabinet designed that has been tuned to achieve 20-500htz. The dual design increases the SPL and maintains a punchy and responsive very low bass.

  View plan (PDF) Recommended driverCIARE 15.00 SW 1000watt 8ohm 20Hz SUB-WOOFER£234.00
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  18" Bass Reflex Subwoofer

  Celestion have designed a ported bass cabinet, specifically for use with the CF18VJD ferrite magnet, cast aluminium LF driver.

  View plan (PDF) Recommended driverCelestion CF18VJD 18" 1600 watt Subwoofer 8ohm£399.00
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  18" Punisher HORN LOADED

  CIARE horn loaded design that can achieve a very low 20htz frequency.

  View plan (PDF) Recommended driverCIARE 18.00 SW 18" 800 watt 8ohm 20Htz SUB-WOOFER£304.22
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  18" BASS REFLEX

  CIARE Bass reflex 18" Subwoofer. The cabinet design is compact and highly portable. Ciare recomend 18mm Birch ply for construction

  View plan (PDF)
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  15" BASS REFLEX

  CIARE 15" bass reflex cabinet that is compact and highly portable. The speaker design is ideal for bass guitar as well a PA subwoofer applications. The design can be used with wide choice of 15" loudspeakers

  PDF no longer available
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  12" Compact Sub

  A high performance 12 inch subwoofer speaker plan from 18 Sound. The compact band pass enclosure offers powerful and clean bass sound 40 to 120Hz. Ideal for discos, club and hifi listening rooms.

  View plan (PDF) Recommended driver18 Sound 12LW1400 8ohm 900 Watts Extended LF Ferrite Driver£260.72
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  12" Ultra Low Sub

  Combining a very long excursion 12" driver and a compact cabinet has produced a highly portable design that produces bass down to 20htz.

  View plan (PDF) Recommended driverCIARE 12.00 SW PUNISHER 12" 8ohm sub-woofer£203.33
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  12" Dual Reflex Ultra low Bass

  Combining x2 very long excursion 12" drivers and a dual cabinet has produced a highly portable design that produces bass down to 20htz with extra SPL.

  View plan (PDF) Recommended driverCIARE 12.00 SW PUNISHER 12" 8ohm sub-woofer£203.33
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  12" Push Pull Dual Reflex

  A compact dual cabinet combining x2 very long excursion 12" drivers that deliver a very responsive and low bass.

  View plan (PDF) Recommended driverCIARE 12.00 SW PUNISHER 12" 8ohm sub-woofer£203.33
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  18 Sound 18LW2400 18" loaded horn

  High performance 18 inch horn loaded subwoofer system. Over damped design for better transient response. Compact box dimensions.

  View plan (PDF) Recommended driver18 Sound 18LW2400 8ohm 18" 1200w Extended LF Ferrite Driver£272.63