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<blockquote data-quote="Buck" data-source="post: 8871630" data-attributes="member: 591582">You might try looking up aftermarket oem sub replacement or something.&nbsp; There&#039;s 8&#039;s like that, like when blaupunkt had a sale on 8&#039;s a long time ago, those 8&#039;s were more designed to be as cheap as possible just to replace factory speakers and be entry level.&nbsp; They weren&#039;t advertised as IB subs specifically iirc, but they could take full power free air.&nbsp; So I designed a t line for 8 $13 blaupunkts and it did a 145 something db on an audiopipe 1500 at like 36 hz.&nbsp; So that&#039;s one way is look for companies that replace oem rear deck subs, if you want 4 woofers that aren&#039;t super expensive.&nbsp; If you could fit a 12 I would recommend maybe one of Fi&#039;s IB3&#039;s.&nbsp; More cone area is gonna be louder here.If you find a woofer that takes a lot of power free air you can use that, kinda regardless IMO.&nbsp; That&#039;s the issue with IB is mechanical control (excursion) under high power, so that&#039;s what to look for, primarily.&nbsp; You can narrow it down from there.</blockquote>

[QUOTE="Buck, post: 8871630, member: 591582"] You might try looking up aftermarket oem sub replacement or something. There's 8's like that, like when blaupunkt had a sale on 8's a long time ago, those 8's were more designed to be as cheap as possible just to replace factory speakers and be entry level. They weren't advertised as IB subs specifically iirc, but they could take full power free air. So I designed a t line for 8 $13 blaupunkts and it did a 145 something db on an audiopipe 1500 at like 36 hz. So that's one way is look for companies that replace oem rear deck subs, if you want 4 woofers that aren't super expensive. If you could fit a 12 I would recommend maybe one of Fi's IB3's. More cone area is gonna be louder here. If you find a woofer that takes a lot of power free air you can use that, kinda regardless IMO. That's the issue with IB is mechanical control (excursion) under high power, so that's what to look for, primarily. You can narrow it down from there. [/QUOTE]

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