TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 359 mm (35.9 cm) · 1 mm = 1.56 px
Polk Reserve R200vsELAC UniFi UB52
The Polk Reserve R200 stands 35.9 cm tall — about 1.3 cm more than the ELAC UniFi UB52 at 34.6 cm. At 86 dB against 85 dB, the Polk Reserve R200 is the easier load to drive and plays louder from the same amplifier. The ELAC UniFi UB52 reaches deeper in the bass, down to 46 Hz versus 51 Hz. Low frequencies come from a 165 mm cone on the Polk Reserve R200 and a 133 mm cone on the ELAC UniFi UB52. Both land in a similar price bracket, around $774 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Polk | ELAC |
| Model | Reserve R200 | UniFi UB52 2.0 |
| HiFi ladder position | #106 of 215 bookshelf | #93 of 215 bookshelf |
| Height | 359 mm | 346 mm |
| Width | 194 mm | 185 mm |
| Depth | 354 mm | 275 mm |
| Weight | 8.7 kg | 8.5 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 165 mm mid-bass (Turbine cone) | 1× 25 mm tweeter (soft dome), 1× 102 mm midrange (aluminium cone), 1× 133 mm woofer (aluminium cone) |
| Frequency — low | 51 Hz | 46 Hz |
| Frequency — high | 38000 Hz | 35000 Hz |
| Sensitivity | 86 dB | 85 dB |
| Impedance | 4 Ω | 6 Ω |
| Recommended amp | 30–200 W | — |
| MAP (USD) | $749 / pair | $799 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | polkaudio.com ↗ | elac.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.