All systems operational. Ongoing Royal Mail industrial action - postal delays expected.
18W / 4531G01
Based on the ever popular 18W/4531G00, this version has a slightly different cone composition with added wood fibres.
Featuring unique sliced / damped cone technology & huge high efficiency ferrite magnets, these no compromise drive units offer superlative sound quality with outstanding midrange resolution and bass extension.
|Resonant frequency (fs)||34 Hz||Nominal impedance (Zn)||4 Ω|
|Mechanical Q factor (Qms)||4.90||DC resistance (Re)||3.5 Ω|
|Electrical Q factor (Qes)||0.38||RMS power handling||70 W|
|Total Q factor (Qts)||0.35||Sensitivity (2.83V/1m)||89 dB|
|Equivalent volume (Vas)||45.6L||Chassis diameter||182.2 mm|