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<blockquote data-quote="T3mpest" data-source="post: 3421849" data-attributes="member: 560148">Your forgetting alot of factors here.&nbsp; First off let&#039;s think in terms of box requirements.&nbsp; For the same model subs, usually 2 8&#039;s will take up the space of 10 to achieve the same overall q. Two 8inch subs also have appox the same surface area.&nbsp; Assuming excursion values are the same, which they usually are, you end up with the same displacement potential.&nbsp; However, you&#039;ve gained a few key advantages doing this.First off, you&#039;ll suffer less power compression as each driver will run off of less power, meaning even if the theoretical spl&#039;s are the same, the pair of subs will probably get louder at full tilt.&nbsp; The second key advantage is your motor to cone area ratio, more control overall on each woofer.If you port a single 8, you&#039;ve gained similar output of 1 10 or 2 8&#039;s sealed depending at a given range of frequencies.&nbsp; This is important if you don&#039;t have a huge amplifier on a tap as your effeciency is MUCH higher than that of either sealed setup.To say a larger sub is better in any scenario is ignorant.&nbsp; There are too many factors to make a general statement like that.&nbsp; If I wanted to run IB on my rear deck, I&#039;d use 6 8&#039;s or so, it&#039;s the same surface area as 3&#039;12&#039;s, but I&#039;d suffer less power compression, have more control over the suspension (important in IB).&nbsp; Not to mention it&#039;d actually fit...</blockquote>

[QUOTE="T3mpest, post: 3421849, member: 560148"] Your forgetting alot of factors here. First off let's think in terms of box requirements. For the same model subs, usually 2 8's will take up the space of 10 to achieve the same overall q. Two 8inch subs also have appox the same surface area. Assuming excursion values are the same, which they usually are, you end up with the same displacement potential. However, you've gained a few key advantages doing this. First off, you'll suffer less power compression as each driver will run off of less power, meaning even if the theoretical spl's are the same, the pair of subs will probably get louder at full tilt. The second key advantage is your motor to cone area ratio, more control overall on each woofer. If you port a single 8, you've gained similar output of 1 10 or 2 8's sealed depending at a given range of frequencies. This is important if you don't have a huge amplifier on a tap as your effeciency is MUCH higher than that of either sealed setup. To say a larger sub is better in any scenario is ignorant. There are too many factors to make a general statement like that. If I wanted to run IB on my rear deck, I'd use 6 8's or so, it's the same surface area as 3'12's, but I'd suffer less power compression, have more control over the suspension (important in IB). Not to mention it'd actually fit... [/QUOTE]

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