Blog › Forums › DIY Speakers and Subwoofers › Ultimax UM18-22 with Passive Radiators › Reply To: Ultimax UM18-22 with Passive Radiators
May 14, 2022 at 12:00 am #24779
The biggest issue with doing this would be expense. You will probably need 2-3 passive radiators, I have no issues helping you out here, but just keep in mind that it might cost mroe in passive radiators than it did to buy one ultimax 18″. Is that something you can handle?