TrueSpecs
Compare technical specifications (up to 4 speakers).
HiFi Ladder
Browse every speaker side by side, ordered by size or by price.
HiFi Search
Find speakers by the specs you want.
TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
References
Front view — side by side at true scale
AQuad Z-3BParadigm Founder 80F
| A | B | |
|---|---|---|
| Manufacturer | Quad | Paradigm |
| Model | Quad Z-3 | Paradigm Founder 80F |
| Height | 965 mm | 970 mm |
| Width | 267 mm | 301 mm |
| Depth | 340 mm | 356 mm |
| Weight | 19 kg | 23.6 kg |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× tweeter (ribbon), 1× 150 mm midrange (glass fibre cone), 2× 175 mm woofer (glass fibre cone) | 1× 25 mm tweeter (AL-MAC ceramic dome), 1× 152 mm midrange (AL-MAG cone), 2× 152 mm woofer (CARBON-X cone) |
| Frequency — low | 50 Hz | 50 Hz |
| Frequency — high | 20000 Hz | 23000 Hz |
| Sensitivity | 89 dB | 90 dB |
| Impedance | 6 Ω | 8 Ω |
| Recommended amp | 60–250 W | 15–220 W |
| MAP (USD) | $3,499 / pair | $3,800 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | quad-hifi.co.uk ↗ | 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.

