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Loudspeakers
Series resistance & Qts
Estimate how an added series resistance changes a driver’s electrical and total Q.
Inputs
Example valuesResults
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The calculation
Qes′ = Qes × (Re + Rs) / Re Qts′ = Qes′ × Qms / (Qes′ + Qms) DC voltage ratio = Re / (Re + Rs)
Assumptions & limits
Mechanical losses remain unchanged. The displayed voltage change uses DC resistance; it is not a broadband loudspeaker attenuation estimate.
Background: Loudspeaker parameters · Elliott Sound Products
