Massive Audio / SUBWOOFER
Massive Audio SUMMO 84: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.
The manual does not define the Xmax excursion convention; Xmax is shown as reference only. Electrical parameters use the parallel-coil column.
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 4The 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 4Tuning Fb: 46 Hz.
Manufacturer port: shape: round, diameter: 50.8 mm, length: 203.2 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 4Tuning Fb: 44 Hz.
Manufacturer port: shape: round, diameter: 63.5 mm, length: 203.2 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 4| Fs | 37.853 Hz |
|---|---|
| Vas | 15.119 L |
| Qes | 0.49 |
| Qms | 4.216 |
| Re | 1.7 Ω |
| Sd | 215 cm² |
| Le | 0.761 mH |
| One-way linear Xmax | Not provided / unverified |
| Frame diameter | 21.6916 cm |
| Mounting cutout | 18.3896 cm |
| Mounting depth | 12.8016 cm |
| Published Qts | 0.439 |
|---|---|
| Published Xmax (convention unconfirmed) | 10 mm |
| Nominal power | 300 W |
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: 2026-11-01.