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We should tell you that MartinLogan indeed has a very substantial number of customers in tropical regions of the world. Our speakers have been serving them nicely for many years. This concern may have come from our earlier design of speakers, which were charged continuously. Since...

Updated: Aug 24 2018

Your speakers are dusty. See the vacuuming FAQ. The electrostatic charge on the element has attracted airborne dust or pollen. Since 1993, all of our speakers have been built with a charging circuit board that only charges the electrostatic element when music plays. At other times...

Updated: Aug 24 2018

That is correct. Nearly every MartinLogan speaker is a hybrid design. This means that they use both thin film and dynamic transducers to achieve maximum detail, imaging, and dynamic range. MartinLogan hybrid loudspeakers seamlessly fuse curvilinear line source electrostatic transducers...

Updated: Aug 24 2018

MartinLogan subwoofers employ a variety of technologies to achieve superb sub bass reproduction. For specific details regarding the unique combination of technologies found in each subwoofer please refer to the product pages.

Updated: Aug 24 2018

There may be some minor 60hz hum from somewhere outside of your subwoofer that is causing the sensor to stay turned on. Disconnect the input jacks and see if the light goes out (this may take up to 10 minutes). If the light goes out, then check to see if the CATV (TV cable) is...

Updated: Aug 24 2018

While MartinLogan subwoofers are designed with a durable, stain-resistant surface, we advise you not to set anything on top of them-especially containers holding liquids.

Updated: Aug 24 2018

No. MartinLogan subwoofers, when the power switch is set to 'Auto', 'Trigger', or 'Standby', will draw about 10 watts when idle (depending on model).

Updated: Aug 24 2018

All MartinLogan speakers are compatible with receivers rated at 4, 6 or 8 ohms. We have tested several mainstream, high quality receivers and have found all are more than capable of driving 4 ohm speakers. The limitations of an amplifier rated at 6 or 8 ohms only becomes obvious at...

Updated: Aug 24 2018

No — all MartinLogan speakers are compatible with bridged or balanced amplifiers and will not damage the amplifier in any way. Electrostatics speaker binding posts are not Earth grounded.

Updated: Sep 08 2021

An overview detailing setup of advanced features of the Android Play-Fi app, including selecting online music services, linking two speakers as a stereo pair, creating speaker groups to play the same audio to multiple speakers, and creating multiple zones to allow streaming of different...

Updated: Apr 02 2018