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Low Earth Orbit
DIY Audio
New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Peter Morris" data-source="post: 204964" data-attributes="member: 652"><p>Hi Garry,</p><p></p><p>It uses a larger proprietary 90 x 40 horn, and two 14” B&C drivers. The 14s are in a seal enclosure with a small chamber in front of each of the 14s, I guess you could say its a 4[SUP]th[/SUP] order band pass with the front chamber tuned to about 500-600 Hz. The 14s exit in 2 slots above and below the horn. This helps control vertical directivity.</p><p></p><p>The end result is better pattern control than the double 12, it sounds a little better, but it is larger and weighs 5 Kgs more. It does not go any louder than the double 12.</p></blockquote><p></p>
[QUOTE="Peter Morris, post: 204964, member: 652"] Hi Garry, It uses a larger proprietary 90 x 40 horn, and two 14” B&C drivers. The 14s are in a seal enclosure with a small chamber in front of each of the 14s, I guess you could say its a 4[SUP]th[/SUP] order band pass with the front chamber tuned to about 500-600 Hz. The 14s exit in 2 slots above and below the horn. This helps control vertical directivity. The end result is better pattern control than the double 12, it sounds a little better, but it is larger and weighs 5 Kgs more. It does not go any louder than the double 12. [/QUOTE]
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New DIY Mid High (90deg) - AKA PM90
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