TrueScaleAudio

Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
References

Front view — side by side at true scale

ATriangle BR09BPolk Reserve R700
Triangle BR09 front view
Polk Reserve R700 front view

Click either cabinet to swap A ↔ B · Reference height: 45.0 in · 1 in = 12.43 px

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.

Specifications

AB
ManufacturerTrianglePolk
ModelBR09Reserve R700
HiFi ladder position#126 of 281 floorstander#170 of 281 floorstander
Height43.1 in45 in
Width10 in12.9 in
Depth12.4 in16.9 in
Weight51.6 lb79.1 lb
Enclosurebass-reflex-frontbass-reflex-down
Drivers1× 1 in tweeter (silk-dome), 1× 6.3 in midrange (natural cellulose-pulp cone), 3× 6.3 in woofer (fiberglass cone)1× 1 in tweeter (Pinnacle ring radiator), 1× 6.5 in midrange (Turbine cone), 2× 8 in woofer (polypropylene cone)
Frequency — low35 Hz38 Hz
Frequency — high22000 Hz38000 Hz
Sensitivity92 dB88 dB
Impedance8 Ω4 Ω
Recommended amp60–300 W50–300 W
MAP (USD)$1,449 / pair$1,499 each
Where to buyCheck availabilityCheck availability
Brand websitetrianglehifi.compolkaudio.com
Product pageOpen product pageOpen product page

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.