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Gladen SPL 12 — specifications and enclosures
Gladen SPL 12: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.
Archived manufacturer document; confirm the exact model revision before use. Verify dual-coil T/S measurement wiring before electrical simulation. One-way linear excursion is not confirmed; no excursion limit is assumed.
Manufacturer enclosure recommendations
Manufacturer recommendationBass-reflex 65 L
Tuning Fb: 45 Hz.
The published volume is not confirmed as net air volume. Check the definition in the manual.
Manufacturer volume includes occupied driver/port space. It is not net air volume; subtract actual occupied volumes before applying. Refer to the source drawing.
Documentation only — check the limitations before use.
PDF · page 1 Manufacturer recommendationBass-reflex 75 L
Tuning Fb: 47 Hz.
The published volume is not confirmed as net air volume. Check the definition in the manual.
Manufacturer volume includes occupied driver/port space. It is not net air volume; subtract actual occupied volumes before applying. Refer to the source drawing.
Documentation only — check the limitations before use.
PDF · page 1 Calculator parameters
| Fs | 38.8 Hz |
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| Vas | 25.1 L |
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| Qes | 0.43 |
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| Qms | 5.48 |
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| Re | Not provided / unverified |
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| Sd | 490.0 cm² |
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| Le | Not provided / unverified |
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| One-way linear Xmax | Not provided / unverified |
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| Frame diameter | 32.6 cm |
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| Mounting cutout | 28.1 cm |
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| Mounting depth | 22.3 cm |
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Additional manufacturer specifications
| Published Qts | 0.4 |
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| Mms | 263,9 g |
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| Cms | 0,06 mm/N |
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| BL | 17,4 Tm |
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| Published Re; T/S coil wiring unverified | 2.0 Ω |
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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.