Type IV
| Brand | Brentworth |
| Manufacturer | Brentworth Sound Lab |
| Function | Speaker |
| Produced | 1998-2001 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 27.3 × 213.4 × 44.5 cm (W × H × D) |
| Weight | 360lbs |
| Frequency Response | 15Hz-20kHz ±3dB |
| Driver | 6.25" Cone (x4) (Full-Range) |
| Sensitivity | 103dB/W/m |
| Impedance (Nominal) | 4Ω |
| Recommended Amplifier Power | 3-100W |
| Enclosure Type | Transmission Line |
| Connections |
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| Notes | Optional "Bass Contour Module" to provide bass equalization. |