7Driver Speaker Drivers
7Driver is represented in the Load Forge catalog by 11 speaker drivers, covering 10" to 18". Resonance (Fs) spans 33–55 Hz and total Q (Qts) 0.31–0.58, 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
11
Diameter
10"–18"
Fs Range
33–55 Hz
Qts Range
0.31–0.58
Price Range
160–3200
All 7Driver Speaker Drivers — parameters & designs
| Model | Size | Fs | Qts | Vas | Price |
|---|---|---|---|---|---|
| ML 520S 10" | 10" | 55 Hz | 0.48 | 25 L | 350.00 BRL |
| Bass 1.6K 12 4R | 12" | 46 Hz | 0.39 | 32 L | 160.00 USD |
| MB 2K8 12 | 12" | 40 Hz | 0.58 | 60 L | 2200.00 BRL |
| Thunder 3K7 12" | 12" | 39 Hz | 0.34 | 50 L | 2200.00 BRL |
| Bass 1K6 15 | 15" | 36 Hz | 0.52 | 100 L | 3100.00 BRL |
| Bass 3K 15 | 15" | 40 Hz | 0.33 | 85 L | 270.00 USD |
| Bass 3K5 15" | 15" | 34.5 Hz | 0.38 | 108 L | 1900.00 BRL |
| Thunder 3.7K 15 4R | 15" | 42 Hz | 0.31 | 84 L | 275.00 USD |
| Thunder 5K7 15" | 15" | 33 Hz | 0.35 | 112 L | 3200.00 BRL |
| Thunder 3.7K 18 4R | 18" | 34 Hz | 0.33 | 185 L | 315.00 USD |
| Thunder 5.0K 18 | 18" | 35 Hz | 0.31 | 170 L | 395.00 USD |
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