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Speaker A
Speaker B
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References

Front view — overlaid at true scale

ACastle Avon 4BSVS Prime Tower
Castle Avon 4 front view
SVS Prime Tower front view

Click either cabinet to swap A ↔ B · Reference height: 955 mm (95.5 cm) · 1 mm = 0.59 px

Castle Avon 4vsSVS Prime Tower

The Castle Avon 4 stands 95.5 cm tall — about 4.1 cm more than the SVS Prime Tower at 91.4 cm. On footprint the SVS Prime Tower is the wider cabinet (20.3 cm versus 18.0 cm). At 89 dB against 87 dB, the Castle Avon 4 is the easier load to drive and plays louder from the same amplifier. The SVS Prime Tower reaches deeper in the bass, down to 30 Hz versus 45 Hz. Low frequencies come from a 130 mm cone on the Castle Avon 4 and a 165 mm cone on the SVS Prime Tower.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerCastleSVS
ModelCastle Avon 4SVS Prime Tower
Height955 mm914 mm
Width180 mm203 mm
Depth310 mm274 mm
Weight17.6 kg18.2 kg
Enclosuretransmission-linebass-reflex-rear
Drivers1× 130 mm woofer, 1× 115 mm midrange, 1× tweeter (ribbon)1× 25 mm tweeter (aluminium-dome), 1× 114 mm midrange (polypropylene cone), 2× 165 mm woofer (polypropylene cone)
Frequency — low45 Hz30 Hz
Frequency — high20000 Hz25000 Hz
Sensitivity89 dB87 dB
Impedance8 Ω8 Ω
Recommended amp25–100 W20–250 W
MAP (USD)—$599.99 each
Where to buyCheck availability ↗Check availability ↗
Brand websitecastle.uk.com ↗svsound.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.