TrueScaleCompare speakers at true scale.
TrueSpecsCompare technical specifications (up to 4 speakers).HiFi LadderBrowse every speaker side by side, ordered by size or by price.HiFi SearchFind 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.

Speaker A
Speaker B
OverlaySide by side
Presentation mode
References

Front view — side by side at true scale

ACastle Richmond IVBCastle Avon 1
Castle Richmond IV front view
Castle Avon 1 front view

Click either cabinet to swap A ↔ B · Reference height: 320 mm (32.0 cm) · 1 mm = 1.75 px

Castle Richmond IVvsCastle Avon 1

The Castle Avon 1 stands 32.0 cm tall — about 1.5 cm more than the Castle Richmond IV at 30.5 cm. On footprint the Castle Richmond IV is the wider cabinet (19.0 cm versus 18.0 cm). The Castle Richmond IV reaches deeper in the bass, down to 58 Hz versus 60 Hz. Low frequencies come from a 150 mm cone on the Castle Richmond IV and a 130 mm cone on the Castle Avon 1.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerCastleCastle
ModelCastle Richmond IVCastle Avon 1
Height305 mm320 mm
Width190 mm180 mm
Depth262 mm260 mm
Weight6.3 kg5.8 kg
Enclosurebass-reflex-reartransmission-line
Drivers1× 150 mm mid-bass, 1× 32 mm tweeter (soft dome)1× 130 mm mid-bass, 1× tweeter (ribbon)
Frequency — low58 Hz60 Hz
Frequency — high22000 Hz20000 Hz
Sensitivity87 dB87 dB
Impedance8 Ω8 Ω
Recommended amp25–100 W25–100 W
MAP (USD)$760 / pair—
Where to buyCheck availability ↗Check availability ↗
Brand websitecastle.uk.com ↗castle.uk.com ↗
Product pageOpen 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.