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References

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ACastle Avon 4BELAC Debut Reference DFR52
Castle Avon 4 front view
ELAC Debut Reference DFR52 front view

Click either cabinet to swap A ↔ B · Reference height: 1016 mm (101.6 cm) · 1 mm = 0.55 px

Castle Avon 4vsELAC Debut Reference DFR52

The ELAC Debut Reference DFR52 stands 101.6 cm tall — about 6.1 cm more than the Castle Avon 4 at 95.5 cm. On footprint the ELAC Debut Reference DFR52 is the wider cabinet (23.4 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 ELAC Debut Reference DFR52 reaches deeper in the bass, down to 42 Hz versus 45 Hz. The Castle Avon 4 is a transmission line and the ELAC Debut Reference DFR52 is front-ported.

TrueSpecs presentation

Specifications

mm / kgin / lb
AB
ManufacturerCastleELAC
ModelCastle Avon 4ELAC Debut Reference DFR52
Height955 mm1016 mm
Width180 mm234 mm
Depth310 mm242 mm
Weight17.6 kg16.7 kg
Enclosuretransmission-linebass-reflex-front
Drivers1× 130 mm woofer, 1× 115 mm midrange, 1× tweeter (ribbon)1× 25 mm tweeter (soft dome), 3× 133 mm woofer (aramid-fibre cone)
Frequency — low45 Hz42 Hz
Frequency — high20000 Hz35000 Hz
Sensitivity89 dB87 dB
Impedance8 Ω6 Ω
Recommended amp25–100 W—
MAP (USD)—$1,598 / pair
Where to buyCheck availability ↗Check availability ↗
Brand websitecastle.uk.com ↗elac.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.