Stereo Integrity Speaker Drivers
Stereo Integrity is represented in the Load Forge catalog by 18 speaker drivers, covering 3" to 24". Resonance (Fs) spans 15.2–102.6 Hz and total Q (Qts) 0.18–0.74, so the range covers both compact sealed alignments and large vented subwoofers. Every entry below links to its Thiele/Small parameters and calculated sealed and bass-reflex box designs.
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Drivers
18
Diameter
3"–24"
Fs Range
15.2–102.6 Hz
Qts Range
0.18–0.74
Price Range
249–1999
All Stereo Integrity Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| M3 Carbon Midrange | 3" | 92.9 Hz | 0.53 | 0.9 L | — |
| M350 Carbon Midrange | 3.5" | 102.6 Hz | 0.18 | 0.3 L | — |
| TM8 | 8" | 46 Hz | 0.74 | 24.4 L | — |
| BM-11 | 11" | 35.3 Hz | 0.66 | 21.8 L | — |
| BM-11 Shallow D2 | 11" | 25 Hz | 0.48 | 42 L | 399.00 USD |
| SQL 12 | 12" | 34.1 Hz | 0.57 | 22.5 L | — |
| SQL-12 D2 | 12" | 23.4 Hz | 0.43 | 58.2 L | 329.00 USD |
| SQL-12 D4 | 12" | 24.1 Hz | 0.45 | 56 L | 329.00 USD |
| HST-15 | 15" | 16 Hz | 0.3 | 108 L | — |
| SQL 15 | 15" | 33 Hz | 0.57 | 59.4 L | — |
| SQL-15 D2 | 15" | 19.8 Hz | 0.41 | 152 L | 379.00 USD |
| SQL-15 D4 | 15" | 20.5 Hz | 0.43 | 145 L | 379.00 USD |
| HST18 | 18" | 17 Hz | 0.33 | 283.2 L | — |
| HT-18 | 18" | 23 Hz | 0.59 | 220 L | — |
| HT-18 v3 D2 | 18" | 16.5 Hz | 0.42 | 340 L | 249.00 USD |
| HFS-24 | 24" | 20.5 Hz | 0.61 | 449.8 L | — |
| HS-24 | 24" | 15.2 Hz | 0.42 | 950 L | 1999.00 USD |
| IB-24 | 24" | 28.4 Hz | 0.7 | 328 L | — |
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