Visaton MONITOR 890 MK III, Speaker Kit (Pair)
Product photo · Enlarge image
Product photo
Frequency and impedance response
Exploded cabinet drawing
Construction detail
Cabinet construction drawing
Crossover diagram
Construction detail
Product photographs and manufacturer drawings. Images are not to scale.
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The MONITOR 890 MK III is a VISATON three-way passive loudspeaker design built around TL 16 H - 8 Ω, DR 45 N - 8 Ω, TIW 300 8 Ω. The manufacturer specifies a bass-reflex arrangement and 180 l net volume, a 30–35000 Hz frequency range and nominal impedance of 4 Ω. This kit is sold as a pair, while the manufacturer's component and cabinet lists are stated for one cabinet.
Typical applications
- DIY loudspeaker construction from the published VISATON cabinet plan
- Studio or monitoring loudspeaker construction
- Restoration of the documented VISATON design
- Custom cabinetry that preserves the published internal volume and layout
Full specifications
| Rated power | 600 W |
|---|---|
| Maximum power | 900 W |
| Nominal impedance | 4 Ω |
| Frequency response (−10 dB) | 30–35000 Hz |
| Mean sound pressure level | 94 dB (1 W/1 m) |
| Crossover frequency | 800/7500 Hz |
| Cabinet principle | Bass-reflex |
| Net volume | 180 l |
| Outside height | 1070 mm |
| Outside width | 688 mm |
| Outside depth | 508 mm |
| Manufacturer component-list basis | 1 cabinet / box |
| Kit component — Tweeter | TL 16 H - 8 Ω · 1 pc. |
| Kit component — Mid-range driver | DR 45 N - 8 Ω · 1 pc. |
| Kit component — Adapter | AD 25 H · 1 pc. |
| Kit component — Horn | M 300 (MDF) · 1 pc. |
| Kit component — Speaker stands | beech waxed · 3 pcs. |
| Kit component — Woofer | TIW 300 8 Ω · 2 pcs. |
| Kit component — Crossover | Crossover Monitor 890 MK III · 1 pc. |
| Kit component — Level control | LC 95 · 2 pcs. |
| Kit component — Terminal | BT 95/75 · 2 pcs. |
| Kit component — Damping material | polyester wool · 7 bags |
| Kit component — Special wood screws | 5 x 30 mm · 16 pcs. |
| Kit component — Wood screws | 4 x 20 mm · 8 pcs. |
| Kit component — Countersunk screws | 3.5 x 25 mm · 8 pcs. |
| Kit component — Cable | 2 x 2.5 mm² · 3.5 m |
| Kit component — Item | 2 x 1.5 mm² · 3.5 m |
Dimensions and drawings

Exploded cabinet drawing · Open original image

Construction detail · Open original image

Cabinet construction drawing · Open original image

Crossover diagram · Open original image

Construction detail · 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 1070 mm × 688 mm × 508 mm (H × W × D); the specified cabinet principle is Bass-reflex with 180 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: Pair. The kit excludes the cabinet; confirm component quantities against the ordered sales unit before starting the build.