Orion XTR2 15 DVC
15″ subwoofer · dual 4 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 | 63 Hz |
| F3 (−3 dB, no cabin gain) | 61 Hz |
| Example box (outside) | 16 15/16″ × 16 15/16″ × 12 5/16″ |
Ported
deeper, louder| Tuning (Fb) | 30 Hz |
|---|---|
| Port | slot 1 9/16 × 16 5/16″, 16″ long |
| Port velocity at 300 W | 60 ft/s |
| F3 (−3 dB, no cabin gain) | 33 Hz |
| Example box (outside) | 31 1/2″ × 17 11/16″ × 16 7/16″ |
Deeper: 3.96 ft³ (112 L) tuned to 33 Hz, 31 1/2″ × 17 11/16″ × 17 1/16″ 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 4 Ω |
| RMS power | — |
| Fs | 25 Hz |
| Qts | 0.32 |
| Qes | 0.33 |
| Qms | 7.88 |
| Vas | 7.13 ft³ |
| Re (one coil) | 3.95 Ω |
|---|---|
| Sd | 128 in² |
| Xmax | 0.30″ |
| Vd | 37.8 in³ calc. |
| Mms | 194 g calc. |
| BL | 19.1 T·m calc. |
| EBP | 76 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 91.8 dB calc. |
Mounting dimensions
| Cutout diameter | 13 7/8″ |
|---|---|
| Mounting depth | 6 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 15″ · dual 2 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
Similar 15″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Diamond M3151 2.65 ft³ sealed · 3.81 ft³ ported
- RE Audio SRX15 D4 2.58 ft³ sealed · 3.71 ft³ ported
- Earthquake Magma-15X 1.27 ft³ sealed · 4.10 ft³ ported
- Dayton Audio RSS390HO-4 1.17 ft³ sealed · 2.30 ft³ ported
- Kicker Comp 15" 4-Ohm SVC (43C154) 2.75 ft³ sealed · 3.67 ft³ ported
- MTX Audio T8154 1.45 ft³ sealed · 4.10 ft³ ported
FAQ
What box does the Orion XTR2 15 DVC need?
Recommended net volume: 1.34 ft³ sealed, 3.78 ft³ ported tuned to 30 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 XTR2 15 DVC Thiele/Small specs?
Fs 25 Hz, Qts 0.32, Vas 7.13 ft³, Xmax 0.30″, Sd 128 in².
What is the Orion XTR2 15 DVC mounting depth?
Mounting depth is 6 1/2″, cutout diameter 13 7/8″. The inside depth of the box must exceed the mounting depth by at least 1″.