Scanspeak 18W/8531G00 Revelator 18cm 8 Ohm midwoofer with sliced undoped pulp cone.
The Revelator 18W series of drivers continue the enviable trend set by the smaller 15W versions. There's a few variants and different impedances - they are all excellent. This version is available in 4 and 8 Ohms. A full datasheet is available for download at the bottom of this page.
Popular among high end & esoteric designers - and with very good reason.
Featuring a unique cone that is precision sliced then re-bonded with damping glue; this procedure gives a very high level of internal damping and control that is not normally obtainable with a standard type cone.
These no compromise drive units offer superlative sound quality with outstanding midrange resolution and solid bass extension.
- Patented Symmetrical Drive motor design
- Die cast Aluminium Chassis vented below spider
- Low-loss linear suspension
- Sliced / Damped Cone (controls cone breakup)
- Low Damping SBR Rubber Surround
- Undoped pulp cone
This woofer is 8 Ohms ; the 4 Ohm version is here : 18W/4531G00
|Resonant frequency (fs)
||Nominal impedance (Zn)
|Mechanical Q factor (Qms)
||DC resistance (Re)
|Electrical Q factor (Qes)
||RMS power handling
|Total Q factor (Qts)
|Equivalent volume (Vas)
Here's the full datasheet: