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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Josh Ricci" data-source="post: 133246" data-attributes="member: 1594"><p>Re: New DIY Mid High</p><p></p><p>That is one of my builds. There is a full set of measurements at my website in the link below. Of note is that once you apply a high pass filter the slight rise near vent tuning disappears and the box has a gradually sloping response from above 125Hz down to the effective vent tuning near 25Hz. I have found that this results in a relatively flat overall bass response once placed into a large club type room and still has good extension outdoors. However the sound of a system with extended response to the 25Hz range versus the typical system with a rising response and which effectively only extends to 35-40Hz is quite different. I it is easy enough to get more of a typical punchy sound by more aggressively filtering the bass below 40-50Hz with DSP. The reverse is not a good idea with cabinets without such natural extension. Or the sound can be made more typical sounding naturally by greatly reducing the cabinet size and tuning in the 35Hz range. In my experience the 21sw152 is one of the better engineered, well behaved, rugged and dynamic bass drivers on the market. A large part of how it will sound depends on what you do with it.</p></blockquote><p></p>
[QUOTE="Josh Ricci, post: 133246, member: 1594"] Re: New DIY Mid High That is one of my builds. There is a full set of measurements at my website in the link below. Of note is that once you apply a high pass filter the slight rise near vent tuning disappears and the box has a gradually sloping response from above 125Hz down to the effective vent tuning near 25Hz. I have found that this results in a relatively flat overall bass response once placed into a large club type room and still has good extension outdoors. However the sound of a system with extended response to the 25Hz range versus the typical system with a rising response and which effectively only extends to 35-40Hz is quite different. I it is easy enough to get more of a typical punchy sound by more aggressively filtering the bass below 40-50Hz with DSP. The reverse is not a good idea with cabinets without such natural extension. Or the sound can be made more typical sounding naturally by greatly reducing the cabinet size and tuning in the 35Hz range. In my experience the 21sw152 is one of the better engineered, well behaved, rugged and dynamic bass drivers on the market. A large part of how it will sound depends on what you do with it. [/QUOTE]
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New DIY Mid High (90deg) - AKA PM90
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