Front view — side by side at true scale
AParadigm Founder 80FBQuad Z-3
| A | B | |
|---|---|---|
| Manufacturer | Paradigm | Quad |
| Model | Paradigm Founder 80F | Quad Z-3 |
| Height | 970 mm | 965 mm |
| Width | 301 mm | 267 mm |
| Depth | 356 mm | 340 mm |
| Weight | 23.6 kg | 19 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 25 mm tweeter (AL-MAC ceramic dome), 1× 152 mm midrange (AL-MAG cone), 2× 152 mm woofer (CARBON-X cone) | 1× tweeter (ribbon), 1× 150 mm midrange (glass fibre cone), 2× 175 mm woofer (glass fibre cone) |
| Frequency — low | 50 Hz | 50 Hz |
| Frequency — high | 23000 Hz | 20000 Hz |
| Sensitivity | 90 dB | 89 dB |
| Impedance | 8 Ω | 6 Ω |
| Recommended amp | 15–220 W | 60–250 W |
| MAP (USD) | $3,800 / pair | $3,499 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | paradigm.com ↗ | quad-hifi.co.uk ↗ |
| 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.

