Retrofits: Replacing a Speaker
Madisound receives many requests for replacement drivers for older systems, where manufacturer replacements are no longer available.We need the following information in order to help you find a replacement woofer.
Please consult our Speaker Replacements Suggestions before continuing with this page.
Before Contacting Madisound, Collect The Following Info
- Take a clear photo of the face of the driver and a photo of the rear.
- What is the diameter of the woofer, from outside edge to edge?
- What is the cutout hole size for the woofer?
- What are the speaker box dimensions, length x width x depth?
- If the speaker box has a vent (tube where air can come in and out)? What is the diameter and length of the vent?
- Does the woofer have a foam surround or rubber surround?
- Is the cone material paper, polypropylene or something else?
- Is the frame a cast metal or a stamped sheet metal?
- What is the impedance? (usually 4 or 8 ohms. If the impedance is not marked it can usually be inferred from the DC resistance of the unit. If you need assistance with measuring this contact us.)
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Email this previous information to [email protected]. We will do our best to find a match for your speaker with this information.
See also, Restoring Vintage Loudspeakers.
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