Orion HCCA 15D
15″ subwoofer · dual 2 Ω
| Source | web.archive.org · manufacturer data |
|---|---|
| Checked against source | October 2026 |
| Thiele/Small parameters | complete |
| Mounting dimensions | 3 of 4 — missing: magnet diameter; the designer will use an estimate |
Recommended box
For a sedan, one sub, 300 W. It’s the same math as the designer’s step-by-step mode, where you can fit the box to your space, vehicle and amp and get plans, a cut sheet and DXF.
Sealed
smaller, tighter| Bass character (Qtc) | Tight and punchy · 0.80 |
|---|---|
| Fc | 62 Hz |
| F3 (−3 dB, no cabin gain) | 58 Hz |
| Example box (outside) | 16 15/16″ × 16 15/16″ × 13 9/16″ |
Ported
deeper, louder| Tuning (Fb) | 34 Hz |
|---|---|
| Port | slot 1 9/16 × 16 5/16″, 21 11/16″ long |
| Port velocity at 300 W | 46 ft/s |
| F3 (−3 dB, no cabin gain) | 39 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 11 11/16″ |
Deeper: 4.94 ft³ (140 L) tuned to 33 Hz, 31 1/2″ × 17 11/16″ × 20 3/8″ outside — a bigger box with flatter deep bass. Open in the calculator
Projects with this subwoofer
Boxes that users designed and published: plans, cut sheet and response graph.
Thiele/Small parameters
| Size | 15″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | — |
| Fs | 36.2 Hz |
| Qts | 0.47 |
| Qes | 0.52 |
| Qms | 5.02 |
| Vas | 2.89 ft³ |
| Re (one coil) | 2.23 Ω |
|---|---|
| Sd | 128 in² |
| Xmax | 0.60″ |
| Vd | 76.6 in³ calc. |
| Mms | 228 g calc. |
| BL | 14.9 T·m calc. |
| EBP | 70 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 90.7 dB calc. |
Mounting dimensions
| Cutout diameter | 13 7/8″ |
|---|---|
| Mounting depth | 7 1/2″ |
| Overall diameter | 15 1/2″ |
“≈” means the value isn’t in the spec sheet and a typical value for the size is used; “calc.” means it’s calculated from the published parameters. Check the manufacturer’s spec sheet before you build.
Data sources
Other Orion 15″ models
- Orion 2NT 15 DVC 15″ · dual 4 Ω
- Orion 2NT 15 SVC 15″ · 4 Ω
- Orion Cobalt 15 DVC (1999) 15″ · dual 4 Ω
- Orion Cobalt 15 DVC (original) 15″ · dual 4 Ω
- Orion Cobalt 15 SVC (1999) 15″ · 4 Ω
- Orion Cobalt 15 SVC (original) 15″ · 4 Ω
- Orion HCCA 15D (1999) 15″ · dual 2 Ω
- Orion HCCA152 (HCCA 15" DVC 2ohm) 15″ · dual 2 Ω
- Orion HCCA152SPL (HCCA SPL 15" DVC 2ohm) 15″ · dual 2 Ω
- Orion HCCA154 (HCCA 15" DVC 4ohm) 15″ · dual 4 Ω
- Orion HCCA154SPL (HCCA SPL 15" DVC 4ohm) 15″ · dual 4 Ω
- Orion NT 15 DVC 15″ · dual 4 Ω
Similar 15″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- DD Audio 615e D2 1.52 ft³ sealed · 2.33 ft³ ported
- DD Audio 615e D4 1.52 ft³ sealed · 2.33 ft³ ported
- Gladen SQL 15 (SVC 4 ohm) 1.98 ft³ sealed · 2.30 ft³ ported
- Bomber Bicho Papão 2000W 2+2 Ohm (SW15BP-2000-2+2) 1.27 ft³ sealed · 2.05 ft³ ported
- Gladen SQX 15 Extreme (SVC 2 ohm) 2.15 ft³ sealed · 2.30 ft³ ported
- Machete MF-15R D4 1.31 ft³ sealed · 1.98 ft³ ported
FAQ
What box does the Orion HCCA 15D need?
Recommended net volume: 1.52 ft³ sealed, 2.30 ft³ ported tuned to 34 Hz — for one sub in a sedan at 300 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Orion HCCA 15D Thiele/Small specs?
Fs 36.2 Hz, Qts 0.47, Vas 2.89 ft³, Xmax 0.60″, Sd 128 in².
What is the Orion HCCA 15D mounting depth?
Mounting depth is 7 1/2″, cutout diameter 13 7/8″. The inside depth of the box must exceed the mounting depth by at least 1″.