TrueScaleAudio
Compare speakers at true scale
Pick two speakers and see them side by side at their real-world size.
Front view — overlaid at true scale
Click either cabinet to swap A ↔ B · Reference height: 520 mm (52.0 cm) · 1 mm = 1.08 px
Castle Windsor EarlvsHarbeth Compact 7ES-3 XD2
The Harbeth Compact 7ES-3 XD2 stands 52.0 cm tall — about 9.0 cm more than the Castle Windsor Earl at 43.0 cm. On footprint the Harbeth Compact 7ES-3 XD2 is the wider cabinet (27.2 cm versus 24.0 cm). At 89 dB against 86 dB, the Castle Windsor Earl is the easier load to drive and plays louder from the same amplifier. The Harbeth Compact 7ES-3 XD2 reaches deeper in the bass, down to 45 Hz versus 58 Hz. Low frequencies come from a 165 mm cone on the Castle Windsor Earl and a 200 mm cone on the Harbeth Compact 7ES-3 XD2. Both land in a similar price bracket, around $5,110 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Castle | Harbeth |
| Model | Castle Windsor Earl | Harbeth Compact 7ES-3 XD2 |
| Height | 430 mm | 520 mm |
| Width | 240 mm | 272 mm |
| Depth | 296 mm | 305 mm |
| Weight | 9.5 kg | 13.2 kg |
| Enclosure | bass-reflex-rear | bass-reflex-front |
| Drivers | 1× 165 mm mid-bass (woven polypropylene), 1× 28 mm tweeter (micro-fibre dome) | 1× 25 mm tweeter (ferrofluid-cooled dome), 1× 200 mm mid-bass (RADIAL polymer cone) |
| Frequency — low | 58 Hz | 45 Hz |
| Frequency — high | 22000 Hz | 20000 Hz |
| Sensitivity | 89 dB | 86 dB |
| Impedance | 8 Ω | 6 Ω |
| Recommended amp | 25–100 W | — |
| MAP (USD) | $4,930 / pair | $5,290 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | harbeth.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.