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Hertz / SUBWOOFER

Hertz ES 300.5 — specifications and enclosures

Hertz ES 300.5: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.

Sd calculated from manufacturer effective diameter D: π × (D/10)² / 4 cm². One-way linear Xmax is unverified; no excursion limit is assumed. Archived Energy model.

Read manufacturer PDF ↗Load driver

Manufacturer enclosure recommendations

Manufacturer recommendation

Sealed 20 L

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

Published volume is not a verified net air volume. Use the original drawing and subtract occupied volumes before designing.

Documentation only — check the limitations before use.

PDF · page 15
Manufacturer recommendation

Sealed 29.4 L

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

Published volume is not a verified net air volume. Use the original drawing and subtract occupied volumes before designing.

Documentation only — check the limitations before use.

PDF · page 15
Manufacturer recommendation

Bass-reflex 25 L

Tuning Fb: 34 Hz.

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

Published volume is not a verified net air volume. Use the original drawing and subtract occupied volumes before designing.

Documentation only — check the limitations before use.

PDF · page 16
Manufacturer recommendation

Bass-reflex 38 L

Tuning Fb: 30 Hz.

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

Published volume is not a verified net air volume. Use the original drawing and subtract occupied volumes before designing.

Documentation only — check the limitations before use.

PDF · page 16

Calculator parameters

Fs35 Hz
Vas58.6 L
Qes0.63
Qms8.3
Re3.1 Ω
Sd530.93 cm²
Le1.65 mH
One-way linear XmaxNot provided / unverified
Frame diameter31.2 cm
Mounting cutout27.6 cm
Mounting depth12.8 cm

Additional manufacturer specifications

Published Qts0.59
Published Xmax (definition to verify)9 mm

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: 2026-10-31.