Visaton FONTANELLA SUB, Subwoofer Kit (Single)
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Product photographs and manufacturer drawings. Images are not to scale.
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The FONTANELLA SUB is a VISATON passive subwoofer design built around GF 200 - 2 x 4 Ω. The manufacturer specifies a bass-reflex arrangement and 32 l net volume, a 35–120 Hz frequency range and nominal impedance of 4 Ω. This kit is sold as a single speaker, while the manufacturer's component and cabinet lists are stated for one cabinet.
Typical applications
- DIY loudspeaker construction from the published VISATON cabinet plan
- Passive subwoofer construction
- Restoration of the documented VISATON design
- Custom cabinetry that preserves the published internal volume and layout
Full specifications
| Rated power | 60 W |
|---|---|
| Maximum power | 90 W |
| Nominal impedance | 4 Ω |
| Frequency response (−10 dB) | 35–120 Hz |
| Mean sound pressure level | 83 dB (2 x 2.83 V/1 m) |
| Crossover frequency | 120 Hz |
| Cabinet principle | Bass-reflex |
| Net volume | 32 l |
| Outside height | 398 mm |
| Outside width | 359 mm |
| Outside depth | 359 mm |
| Manufacturer component-list basis | 1 cabinet / box |
| Kit component — Woofer | GF 200 - 2 x 4 Ω · 1 pc. |
| Kit component — Crossover | Crossover Fontanella Sub · 1 set |
| Kit component — Bass reflex tube | BR 25.50 (full length) · 1 pc. |
| Kit component — Terminal | BT 95/75 · 2 pcs. |
| Kit component — Damping material | Polyester wool · 3.5 bags |
| Kit component — Wood screws | 4 x 20 mm · 10 pcs. |
| Kit component — Countersunk screws | 3.5 x 25 mm · 8 pcs. |
| Kit component — Cabel | 2 x 1.5 mm² · 2.5 m |
Dimensions and drawings

Exploded cabinet drawing · Open original image

Cabinet construction drawing · Open original image

Crossover diagram · Open original image
Installation and cabinet guidance
Build each cabinet from the linked manufacturer construction drawing and cabinet parts list. The documented outside size is 398 mm × 359 mm × 359 mm (H × W × D); the specified cabinet principle is Bass-reflex with 32 l net volume. Preserve the published driver, port, bracing and crossover positions.
The manufacturer states its component and cabinet parts lists for one box. Sold as: Single speaker. The kit excludes the cabinet; confirm component quantities against the ordered sales unit before starting the build.
Keep the bass-reflex opening and the space immediately around it clear where the construction instructions require it.
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