TrueScale

Compare speakers at true scale.

TrueSpecs

Compare technical specifications (up to 4 speakers).

HiFi Ladder

Browse every speaker ordered by size, side by side.

Speaker A
Speaker B
OverlaySide by side
Presentation mode
References

Front view — overlaid at true scale

ATriangle BR08BPolk Reserve R500
Triangle BR08 front view
Polk Reserve R500 front view

Click either cabinet to swap A ↔ B · Reference height: 1045 mm (104.5 cm) · 1 mm = 0.54 px

Specifications

mm / kgin / lb
AB
ManufacturerTrianglePolk
ModelTriangle BR08Polk Reserve R500
Height1020 mm1045 mm
Width248 mm253 mm
Depth314 mm349 mm
Weight21.2 kg17.7 kg
Enclosurebass-reflex-frontbass-reflex-rear
Drivers1× 25 mm tweeter (silk-dome), 1× 160 mm midrange (natural cellulose-pulp cone), 2× 160 mm woofer (fiberglass cone)1× 25 mm tweeter (Pinnacle ring radiator), 2× 133 mm woofer (Turbine cone)
Frequency — low40 Hz49 Hz
Frequency — high22000 Hz36000 Hz
Sensitivity92 dB87 dB
Impedance8 Ω4 Ω
Recommended amp50–250 W25–200 W
MAP (USD)$1,249 / pair$1,398 / pair
Brand websitetrianglehifi.com ↗polkaudio.com ↗
Product pageOpen 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.