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Low Earth Orbit
DIY Audio
60 Degree DIY Mid Hi - AKA PM60
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<blockquote data-quote="Peter Morris" data-source="post: 147227" data-attributes="member: 652"><p>Re: 60 Degree DIY Mid Hi</p><p></p><p></p><p><span style="font-size: 10px">I does matter what impedance 4594 you use. I used 16ohm because it makes the noise floor (hiss) of the amplifier less noticeable, but a 16 ohm driver will need a more powerful amplifier than the 8 ohm version.</span></p><p><span style="font-size: 10px"></span><span style="font-size: 12px"> </span></p><p><span style="font-size: 12px"><span style="font-size: 10px">If you use a passive crossover between the HF and VHF the impedance does not change. 16 ohms 4594 with a C16-16 crossover will still be 16 ohms.</span></span></p><p><span style="font-size: 12px"><span style="font-size: 10px"></span></span></p><p><span style="font-size: 12px"><span style="font-size: 10px">I find the 90 degree box the most useful, but if you are planning on using more than one box per side the 60 degree version is the best option.</span></span></p><p><span style="font-size: 12px"><span style="font-size: 10px"></span></span></p><p><span style="font-size: 12px"><span style="font-size: 10px">The DIY was designed to be used with PEQ. The mids in particular will need some correction. You will probably need Smaart or Systune to assist in determine the final settings.</span></span></p><p><span style="font-size: 12px"></span></p><p><span style="font-size: 12px"><span style="font-size: 10px">The amplifier you are suggesting with the appropriately set limiters will be fine.</span></span></p><p><span style="font-size: 12px"></span><span style="font-size: 10px"></span></p><p><span style="font-size: 10px"></span></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 147227, member: 652"] Re: 60 Degree DIY Mid Hi [SIZE=2]I does matter what impedance 4594 you use. I used 16ohm because it makes the noise floor (hiss) of the amplifier less noticeable, but a 16 ohm driver will need a more powerful amplifier than the 8 ohm version. [/SIZE][SIZE=3] [SIZE=2]If you use a passive crossover between the HF and VHF the impedance does not change. 16 ohms 4594 with a C16-16 crossover will still be 16 ohms. [/SIZE] [SIZE=2]I find the 90 degree box the most useful, but if you are planning on using more than one box per side the 60 degree version is the best option. [/SIZE] [SIZE=2]The DIY was designed to be used with PEQ. The mids in particular will need some correction. You will probably need Smaart or Systune to assist in determine the final settings.[/SIZE] [SIZE=2]The amplifier you are suggesting with the appropriately set limiters will be fine.[/SIZE] [/SIZE][SIZE=2] [/SIZE] [/QUOTE]
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60 Degree DIY Mid Hi - AKA PM60
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