TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — side by side at true scale
Click either cabinet to swap A ↔ B · Reference height: 1110 mm (111.0 cm) · 1 mm = 0.50 px
Klipsch Heresy IVvsCastle Avon 5
The Castle Avon 5 stands 111.0 cm tall — about 48.0 cm more than the Klipsch Heresy IV at 63.0 cm. On footprint the Klipsch Heresy IV is the wider cabinet (40.7 cm versus 21.0 cm). At 99 dB against 89 dB, the Klipsch Heresy IV is the easier load to drive and plays louder from the same amplifier. The Castle Avon 5 reaches deeper in the bass, down to 35 Hz versus 48 Hz. Low frequencies come from a 305 mm cone on the Klipsch Heresy IV and a 150 mm cone on the Castle Avon 5.
| A | B | |
|---|---|---|
| Manufacturer | Klipsch | Castle |
| Model | Klipsch Heresy IV IV | Castle Avon 5 |
| Height | 630 mm | 1110 mm |
| Width | 407 mm | 210 mm |
| Depth | 337 mm | 365 mm |
| Weight | 20.4 kg | 24 kg |
| Enclosure | bass-reflex-rear | transmission-line |
| Drivers | 1× 25 mm tweeter (K-107-TI titanium compression diaphragm), 1× 44 mm midrange (K-702 polyimide compression diaphragm), 1× 305 mm woofer (K-28-E fiber-composite cone) | 2× 150 mm woofer, 1× 115 mm midrange, 1× tweeter (ribbon) |
| Frequency — low | 48 Hz | 35 Hz |
| Frequency — high | 20000 Hz | 20000 Hz |
| Sensitivity | 99 dB | 89 dB |
| Impedance | 8 Ω | 8 Ω |
| Recommended amp | — | 25–100 W |
| MAP (USD) | $4,198 / pair | — |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | klipsch.com ↗ | castle.uk.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.