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: 42.1 in · 1 in = 13.29 px
Quad S-5vsSonus Faber Lumina III
The Quad S-5 stands 107.0 cm tall — about 8.1 cm more than the Sonus Faber Lumina III at 98.9 cm. On footprint the Sonus Faber Lumina III is the wider cabinet (23.0 cm versus 20.5 cm). At 90 dB against 89 dB, the Quad S-5 is the easier load to drive and plays louder from the same amplifier. The Sonus Faber Lumina III reaches deeper in the bass, down to 40 Hz versus 42 Hz. Low frequencies come from a 165 mm cone on the Quad S-5 and a 150 mm cone on the Sonus Faber Lumina III. Both land in a similar price bracket, around $2,099 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Quad | Sonus Faber |
| Model | S-5 | Lumina III |
| HiFi ladder position | #110 of 281 floorstander | #47 of 281 floorstander |
| Height | 42.1 in | 38.9 in |
| Width | 8.1 in | 9.1 in |
| Depth | 13 in | 10.9 in |
| Weight | 55.8 lb | 35.1 lb |
| Enclosure | passive-radiator | bass-reflex-down |
| Drivers | 1× tweeter (ribbon), 1× 3.9 in midrange (woven Kevlar cone), 2× 6.5 in woofer (woven Kevlar cone) | 1× 1.1 in tweeter (DAD soft dome), 1× 5.9 in midrange (paper cone), 2× 5.9 in woofer (paper cone) |
| Frequency — low | 42 Hz | 40 Hz |
| Frequency — high | 23000 Hz | 24000 Hz |
| Sensitivity | 90 dB | 89 dB |
| Impedance | 6 Ω | 4 Ω |
| Recommended amp | 40–200 W | 50–250 W |
| MAP (USD) | $1,999 / pair | $2,199 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | quad-hifi.co.uk ↗ | 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.