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: 17.6 in · 1 in = 31.77 px
Castle Windsor EarlvsMonitor Audio Gold 100
The Monitor Audio Gold 100 stands 44.8 cm tall — about 1.8 cm more than the Castle Windsor Earl at 43.0 cm. On footprint the Castle Windsor Earl is the wider cabinet (24.0 cm versus 23.0 cm). At 89 dB against 86.5 dB, the Castle Windsor Earl is the easier load to drive and plays louder from the same amplifier. The Monitor Audio Gold 100 reaches deeper in the bass, down to 32 Hz versus 58 Hz. Low frequencies come from a 165 mm cone on the Castle Windsor Earl and a 203 mm cone on the Monitor Audio Gold 100. Both land in a similar price bracket, around $4,765 a pair.
| A | B | |
|---|---|---|
| Manufacturer | Castle | Monitor Audio |
| Model | Windsor Earl | Gold 100 6G |
| HiFi ladder position | #164 of 215 bookshelf | #173 of 215 bookshelf |
| Height | 16.9 in | 17.6 in |
| Width | 9.4 in | 9.1 in |
| Depth | 11.7 in | 14.1 in |
| Weight | 20.9 lb | 30.9 lb |
| Enclosure | bass-reflex-rear | bass-reflex-rear |
| Drivers | 1× 6.5 in mid-bass (woven polypropylene), 1× 1.1 in tweeter (micro-fibre dome) | 1× tweeter (MPD III (Air Motion Transformer)), 1× 3 in midrange (HDT C-CAM), 1× 8 in woofer (HDT C-CAM) |
| Frequency — low | 58 Hz | 32 Hz |
| Frequency — high | 22000 Hz | 60000 Hz |
| Sensitivity | 89 dB | 86.5 dB |
| Impedance | 8 Ω | 4 Ω |
| Recommended amp | 25–100 W | 130–500 W |
| MAP (USD) | $4,930 / pair | $4,599 / pair |
| Where to buy | Check availability ↗ | Check availability ↗ |
| Brand website | castle.uk.com ↗ | monitoraudio.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.