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Forum: DIY Subwoofers - General Discussion   09-17-12, 06:58 PM
Replies: 15
Views: 3,029
Posted By andy_c
Re: Purpose of Dual vs Single Voice Coils?

Some of the reasons seem to be a matter of the intended market. It's typically an expectation in the pro market for a two-channel amp to be specified for bridged-mono operation into 4 Ohms. In...
Forum: DIY Subwoofers - General Discussion   09-13-12, 02:47 PM
Replies: 15
Views: 3,029
Posted By andy_c
Re: Purpose of Dual vs Single Voice Coils?

Yes, that's true. The amp must be designed to be capable of being used with a 2 Ohm load for this to work. Pro amps are commonly used in subwoofer applications, and these are often specified for...
Forum: DIY Subwoofers - General Discussion   09-12-12, 06:04 PM
Replies: 15
Views: 3,029
Posted By andy_c
Re: Purpose of Dual vs Single Voice Coils?

Some sub drivers, such as the Polk MM1540, are available in both single voice coil versions, which are 4 Ohms, and dual voice coil versions for which each voice coil is 4 Ohms. The voice coils of...
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