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<blockquote data-quote="audioholic" data-source="post: 5698375" data-attributes="member: 549629"><p>Group delay is the delay between the sound wave emanating from the front of the speaker cone versus the sound wave emanating from the rear of the cone, which then passes thru the port to reinforce the direct radiating wave. This is exactly how a ported enclosure boosts output. It is also why the boost is dependent on the frequency of the signal and tuning (length and diameter) of the port itself.</p><p>There will always be a delay between the front and rear waves in a vented system (group delay). T/A merely delays the signal being fed to the sub in relation to the signal being sent to the other speakers. Once the signal reaches the speaker/enclosure, THAT is when the group delay occurs. Thus, T/A cannot affect GD.</p><p></p><p>Hope that helps.</p></blockquote><p></p>
[QUOTE="audioholic, post: 5698375, member: 549629"] Group delay is the delay between the sound wave emanating from the front of the speaker cone versus the sound wave emanating from the rear of the cone, which then passes thru the port to reinforce the direct radiating wave. This is exactly how a ported enclosure boosts output. It is also why the boost is dependent on the frequency of the signal and tuning (length and diameter) of the port itself. There will always be a delay between the front and rear waves in a vented system (group delay). T/A merely delays the signal being fed to the sub in relation to the signal being sent to the other speakers. Once the signal reaches the speaker/enclosure, THAT is when the group delay occurs. Thus, T/A cannot affect GD. Hope that helps. [/QUOTE]
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