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DS18 / SUBWOOFER

DS18 ZXI8.4D — specifications and enclosures

DS18 ZXI8.4D: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.

The PDF lists individual coil resistance without an explicit T/S measurement connection. Verify Re before electrical simulation.

Read manufacturer PDF ↗Load driver

Manufacturer enclosure recommendations

Manufacturer recommendation

Sealed 17.0 L

The published volume is not confirmed as net air volume. Check the definition in the manual.

Reference recommendation: confirm net air volume after driver, port and bracing displacement before applying.

Documentation only — check the limitations before use.

PDF · page 4
Manufacturer recommendation

Bass-reflex 28.3 L

Tuning Fb: 35.0 Hz.

The published volume is not confirmed as net air volume. Check the definition in the manual.

Reference recommendation: confirm net air volume after driver, port and bracing displacement before applying.

Documentation only — check the limitations before use.

PDF · page 4

Calculator parameters

Fs45.0 Hz
Vas6.75 L
Qes0.791
Qms5.318
ReNot provided / unverified
Sd188.69 cm²
Le0.476 mH
One-way linear XmaxNot provided / unverified
Frame diameter21.8 cm
Mounting cutout18.58 cm
Mounting depth14.0 cm

Additional manufacturer specifications

Published Qts0.689
RMS Power Handling600 Watts
Nominal Impedance4+4 OHMS
Displacement Volume1.02L / 0.036ft3

Data is for one subwoofer. Manufacturer recommendations are separate from CarBoxLab calculations. Net air volume excludes the driver, port and bracing; design dimensions are external. Loading a recommendation transfers the verified volume and tuning; confirm port geometry and construction separately.

Source documentation

Manufacturer technical documentation

Original manufacturer documents are not translated. Data reviewed: 2026-11-01.