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.
References
Front view — side by side at true scale
AParadigm Persona 3FBTriangle Cello 40th
| A | B | |
|---|---|---|
| Manufacturer | Paradigm | Triangle |
| Model | Paradigm Persona 3F | Triangle Cello 40th |
| Height | 44.3 in | 42.5 in |
| Width | 10 in | 15.2 in |
| Depth | 16.8 in | 13.4 in |
| Weight | 75 lb | 85.5 lb |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 1 in tweeter (Truextent beryllium dome), 1× 7 in midrange (Truextent beryllium cone), 2× 7 in woofer (X-PAL cone) | 1× 1 in tweeter (magnesium-dome compression diaphragm), 1× 6.5 in midrange (natural-paper cone with fabric surround), 2× 6.5 in woofer (fiberglass-sandwich cone) |
| Frequency — low | 48 Hz | 35 Hz |
| Frequency — high | 45000 Hz | 30000 Hz |
| Sensitivity | 89 dB | 90 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | 15–400 W | 60–500 W |
| MAP (USD) | $11,998 / pair | $13,000 / pair |
| Brand website | paradigm.com ↗ | trianglehifi.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.

