TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 360 mm (36.0 cm) · 1 mm = 1.56 px
Dynaudio Special FortyvsSonus Faber Lumina I
The Dynaudio Special Forty stands 36.0 cm tall — about 8.0 cm more than the Sonus Faber Lumina I at 28.0 cm. On footprint the Dynaudio Special Forty is the wider cabinet (19.8 cm versus 14.8 cm). At 86 dB against 84 dB, the Dynaudio Special Forty is the easier load to drive and plays louder from the same amplifier. The Dynaudio Special Forty reaches deeper in the bass, down to 41 Hz versus 65 Hz. Low frequencies come from a 170 mm cone on the Dynaudio Special Forty and a 120 mm cone on the Sonus Faber Lumina I. On price, the Dynaudio Special Forty sits higher — about $3,500 a pair against $999 for the Sonus Faber Lumina I.
| A | B | |
|---|---|---|
| Manufacturer | Dynaudio | Sonus Faber |
| Model | Special Forty | Lumina I |
| HiFi ladder position | #127 of 255 bookshelf | #31 of 255 bookshelf |
| Height | 360 mm | 280 mm |
| Width | 198 mm | 148 mm |
| Depth | 322 mm | 213 mm |
| Weight | 8.1 kg | 4.4 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 28 mm tweeter (Esotar Forty soft dome), 1× 170 mm mid-bass (MSP cone) | 1× 29 mm tweeter (DAD soft dome), 1× 120 mm mid-bass (paper cone) |
| Crossover frequency | 2000 Hz | 2000 Hz |
| Frequency — low | 41 Hz | 65 Hz |
| Frequency — high | 23000 Hz | 24000 Hz |
| Sensitivity | 86 dB | 84 dB |
| Impedance | 6 Ω | 4 Ω |
| Recommended amp | — | 30–100 W |
| MAP (USD) | $3,500 / pair | $999 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | dynaudio.com ↗ | sonusfaber.com ↗ |
| Product page | Open product page ↗ | Open product page ↗ |
Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.