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bits00 AUDIO

Enclosure designs

B&C 18DS115
enclosure designs

Cabinets for the 18DS115: two designs and a suggested box from B&C, plans builders have published, and flatpack kits of the S218BP.

B&C’s designs

From the maker, with plans to download

B&C S21IB
Picture: B&C

B&C design

S21IB

Extended LF Reflex Isobaric Subwoofer

Drivers
2 × 18DS115, 8 Ω1 × 21DS115, 8 Ω

B&C’s suggested box

From B&C’s 18DS115 page

Plans from builders

Links to published plans that name this driver

  • Paraflex C2E Golden Formula 1 × 18

    Paraflex quarter-wave, 1200 × 915 × 600 mm

    HOQS · free plans on GitHub for personal builds

    HOQS’s own simulation uses the 18DS115-4

  • Cubo 18

    Hybrid horn, 620 × 620 × 650 mm

    Johan (Cubo) · free plans on freespeakerplans.com

    The designer calls it “a step up”, needing 2,000–3,000 W per driver

The 18DS115

Specs, prices and shops for each version

−8%
B&C · 18" · 4 Ω18DS115
Fs
30Hz
Xmax
16.5mm
SPL
96dB
Qts
0.17
Vas
177L
Pe
1700W
£448.365.0(3)
In stock
−9%
B&C · 18" · 8 Ω18DS115
Fs
30Hz
Xmax
16.5mm
SPL
95dB
Qts
0.20
Vas
168L
Pe
1700W
£436.315.0(7)
In stock

Each design links to where its maker or designer publishes it. Bits hasn’t built or measured them. How we find designs. Know another design for the 18DS115? Tell us.