Rockford Fosgate / SUBWOOFER
Rockford Fosgate S1-812: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.
Archived single-voice-coil model. Match the full code and generation. Missing mounting dimensions and Sd must be verified before construction or excursion simulation.
Tuning Fb: 35 Hz.
Manufacturer port: shape: round, diameter: 101.6 mm, length: 273.05 mm, count: 1.
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 8| Fs | 29 Hz |
|---|---|
| Vas | 186 L |
| Qes | 0.45 |
| Qms | 4.11 |
| Re | 6.7 Ω |
| Sd | Not provided / unverified |
| Le | 2.22 mH |
| One-way linear Xmax | 5.1 mm |
| Frame diameter | Not provided / unverified |
| Mounting cutout | Not provided / unverified |
| Mounting depth | Not provided / unverified |
| Published Qts | 0.41 |
|---|
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.
Manufacturer technical documentation
Original manufacturer documents are not translated. Data reviewed: 2026-10-31.