Diamond HEX S104
10″ subwoofer · 4 Ω · 150 W RMS
| 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, 150 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) | 59 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 5 3/16″ |
Ported
deeper, louder| Tuning (Fb) | 38 Hz |
|---|---|
| Port | slot 1 9/16 × 14 5/16″, 29 7/8″ long |
| Port velocity at 150 W | 29 ft/s |
| F3 (−3 dB, no cabin gain) | 40 Hz |
| Example box (outside) | 31 1/2″ × 15 3/4″ × 8 13/16″ |
Deeper: 1.98 ft³ (56 L) tuned to 38 Hz, 31 1/2″ × 15 3/4″ × 10 13/16″ 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 | 10″ |
|---|---|
| Voice coils | 4 Ω |
| RMS power | 150 W |
| Fs | 37.7 Hz |
| Qts | 0.48 |
| Qes | 0.539 |
| Qms | 4.82 |
| Vas | 1.54 ft³ |
| Re | 4.6 Ω |
|---|---|
| Sd | 51.2 in² |
| Xmax | 0.22″ |
| Vd | 11.5 in³ calc. |
| Mms | 63 g calc. |
| BL | 11.3 T·m calc. |
| EBP | 70 — sealed or ported calc. |
| Sensitivity, 1 W / 1 m | 88.4 dB calc. |
Mounting dimensions
| Cutout diameter | 9 5/16″ |
|---|---|
| Mounting depth | 2 3/4″ |
| Overall diameter | 10 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 Diamond 10″ models
- Diamond CM310D2 10″ · dual 2 Ω
- Diamond CM310D4 10″ · dual 4 Ω
- Diamond D102 10″ · dual 2 Ω
- Diamond D104 10″ · dual 4 Ω
- Diamond D310D2 10″ · dual 2 Ω
- Diamond D310D4 10″ · dual 4 Ω
- Diamond D610D2 10″ · dual 2 Ω
- Diamond D610D4 10″ · dual 4 Ω
- Diamond D910D2 10″ · dual 2 Ω
- Diamond D910D4 10″ · dual 4 Ω
- Diamond DE102 10″ · dual 2 Ω
- Diamond DE104 10″ · dual 4 Ω
Similar 10″ subwoofers from other brands
Close in Fs, Qts and Vas — a box of similar volume will suit them.
- Soundstream USA10 0.78 ft³ sealed · 1.27 ft³ ported
- Gladen Alpha 10 (SVC 4 ohm) 0.81 ft³ sealed · 1.06 ft³ ported
- Orion XTR 10 SVC (original) 1.02 ft³ sealed · 1.13 ft³ ported
- JBL Stage 1010 0.60 ft³ sealed · 1.17 ft³ ported
- Hertz Energy ES F25.5 (free-air/shallow, SVC 4 ohm) 0.64 ft³ sealed · 1.13 ft³ ported
- Brax Matrix ML10 (1x4 Ohm) 0.71 ft³ sealed · 1.13 ft³ ported
FAQ
What box does the Diamond HEX S104 need?
Recommended net volume: 0.88 ft³ sealed, 1.24 ft³ ported tuned to 38 Hz — for one sub in a sedan at 150 W. Fit the box to your space and amp in the free calculator, with plans and a cut sheet.
What are the Diamond HEX S104 Thiele/Small specs?
Fs 37.7 Hz, Qts 0.48, Vas 1.54 ft³, Xmax 0.22″, Sd 51.2 in².
What is the Diamond HEX S104 mounting depth?
Mounting depth is 2 3/4″, cutout diameter 9 5/16″. The inside depth of the box must exceed the mounting depth by at least 1″.
How much power does the Diamond HEX S104 handle and how do I wire it?
RMS power rating: 150 W. Wiring for several subs and amp power — in the wiring calculator.