Orion HCCA 12D
12″ 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) | Dry and tight · 0.59 |
|---|---|
| Fc | 60 Hz |
| F3 (−3 dB, no cabin gain) | 77 Hz |
| Example box (outside) | 14 3/16″ × 14 3/16″ × 10 1/16″ |
Ported
deeper, louder| Tuning (Fb) | 34 Hz |
|---|---|
| Port | slot 1 3/4 × 14 5/16″, 21 13/16″ long |
| Port velocity at 300 W | 60 ft/s |
| F3 (−3 dB, no cabin gain) | 31 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 12 9/16″ |
Deeper: 1.45 ft³ (41 L) tuned to 36 Hz, 21 1/2″ × 15 3/4″ × 13 3/4″ 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 | 12″ |
|---|---|
| Voice coils | dual 2 Ω |
| RMS power | — |
| Fs | 37.3 Hz |
| Qts | 0.37 |
| Qes | 0.4 |
| Qms | 4.51 |
| Vas | 1.14 ft³ |
| Re (one coil) | 2.23 Ω |
|---|---|
| Sd | 76 in² |
| Xmax | 0.60″ |
| Vd | 45.5 in³ calc. |
| Mms | 192 g calc. |
| BL | 15.8 T·m calc. |
| EBP | 93 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 88.2 dB calc. |
Mounting dimensions
| Cutout diameter | 11 1/8″ |
|---|---|
| Mounting depth | 6 1/2″ |
| Overall diameter | 12 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 12″ models
- Orion 2NT 12 DVC 12″ · dual 4 Ω
- Orion 2NT 12 SVC 12″ · 4 Ω
- Orion Cobalt 12 DVC (1999) 12″ · dual 4 Ω
- Orion Cobalt 12 DVC (original) 12″ · dual 4 Ω
- Orion Cobalt 12 SVC (1999) 12″ · 4 Ω
- Orion Cobalt 12 SVC (original) 12″ · 4 Ω
- Orion HCCA 12D (1999) 12″ · dual 2 Ω
- Orion HCCA122 (HCCA 12" DVC 2ohm) 12″ · dual 2 Ω
- Orion HCCA124 (HCCA 12" DVC 4ohm) 12″ · dual 4 Ω
- Orion NT 12 DVC 12″ · dual 4 Ω
- Orion NT 12 SVC 12″ · 4 Ω
- Orion XTR 12 DVC (original) 12″ · dual 4 Ω
Similar 12″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Soundstream T4-12 0.71 ft³ sealed · 2.26 ft³ ported
- Gladen SQL 12 (SVC 4 ohm) 0.72 ft³ sealed · 2.26 ft³ ported
- Kicker SoloX 12" 2-Ohm DVC (S12X2) 1.22 ft³ sealed · 1.70 ft³ ported
- Massive Audio SUMMO124 0.79 ft³ sealed · 2.44 ft³ ported
- B2 Audio HN12v3 D2 0.71 ft³ sealed · 2.26 ft³ ported
- ESX VE1222 (2x2 Ohm) 0.83 ft³ sealed · 2.33 ft³ ported
FAQ
What box does the Orion HCCA 12D need?
Recommended net volume: 0.71 ft³ sealed, 2.26 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 12D Thiele/Small specs?
Fs 37.3 Hz, Qts 0.37, Vas 1.14 ft³, Xmax 0.60″, Sd 76 in².
What is the Orion HCCA 12D mounting depth?
Mounting depth is 6 1/2″, cutout diameter 11 1/8″. The inside depth of the box must exceed the mounting depth by at least 1″.