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Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — overlaid at true scale
ATriangle BR09BPolk Reserve R700
Triangle BR09vsPolk Reserve R700
The Polk Reserve R700 stands 114.4 cm tall — about 4.9 cm more than the Triangle BR09 at 109.5 cm. On footprint the Polk Reserve R700 is the wider cabinet (32.8 cm versus 25.4 cm). At 92 dB against 88 dB, the Triangle BR09 is the easier load to drive and plays louder from the same amplifier. The Triangle BR09 reaches deeper in the bass, down to 35 Hz versus 38 Hz. Low frequencies come from a 160 mm cone on the Triangle BR09 and a 203 mm cone on the Polk Reserve R700. Both land in a similar price bracket, around $1,474 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Triangle | Polk |
| Model | BR09 | Reserve R700 |
| HiFi ladder position | #126 of 281 floorstander | #170 of 281 floorstander |
| Height | 1095 mm | 1144 mm |
| Width | 254 mm | 328 mm |
| Depth | 314 mm | 428 mm |
| Weight | 23.4 kg | 35.9 kg |
| Enclosure | bass-reflex-front | bass-reflex-down |
| Drivers | 1× 25 mm tweeter (silk-dome), 1× 160 mm midrange (natural cellulose-pulp cone), 3× 160 mm woofer (fiberglass cone) | 1× 25 mm tweeter (Pinnacle ring radiator), 1× 165 mm midrange (Turbine cone), 2× 203 mm woofer (polypropylene cone) |
| Frequency — low | 35 Hz | 38 Hz |
| Frequency — high | 22000 Hz | 38000 Hz |
| Sensitivity | 92 dB | 88 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 60–300 W | 50–300 W |
| MAP (USD) | $1,449 / pair | $1,499 each |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | trianglehifi.com ↗ | polkaudio.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.

