TrueScaleAudio
Compare speakers at true scale
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Front view — side by side at true scale
Klipsch kO-R1vsParadigm Founder 40B
The Klipsch kO-R1 stands 71.4 cm tall — about 34.6 cm more than the Paradigm Founder 40B at 36.8 cm. On footprint the Klipsch kO-R1 is the wider cabinet (42.0 cm versus 21.6 cm). At 97.5 dB against 89 dB, the Klipsch kO-R1 is the easier load to drive and plays louder from the same amplifier. The Klipsch kO-R1 reaches deeper in the bass, down to 51 Hz versus 69 Hz. Low frequencies come from a 305 mm cone on the Klipsch kO-R1 and a 152 mm cone on the Paradigm Founder 40B. On price, the Klipsch kO-R1 sits higher — about $8,498 a pair against $2,200 for the Paradigm Founder 40B.
| A | B | |
|---|---|---|
| Manufacturer | Klipsch | Paradigm |
| Model | kO-R1 | Founder 40B |
| HiFi ladder position | #250 of 255 bookshelf | #135 of 255 bookshelf |
| Height | 714 mm | 368 mm |
| Width | 420 mm | 216 mm |
| Depth | 330 mm | 320 mm |
| Weight | 23.6 kg | 5.1 kg |
| Enclosure | bass-reflex-front | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (K-706 titanium compression diaphragm), 1× 305 mm woofer (K-28-E paper cone) | 1× 25 mm tweeter (AL-MAC ceramic dome), 1× 152 mm mid-bass (AL-MAG cone) |
| Crossover frequency | 970 Hz | 1600 Hz |
| Frequency — low | 51 Hz | 69 Hz |
| Frequency — high | 20000 Hz | 23000 Hz |
| Sensitivity | 97.5 dB | 89 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | — | 15–150 W |
| MAP (USD) | $8,498 / pair | $2,200 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | klipsch.com ↗ | paradigm.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.

