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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: 148453" data-attributes="member: 652"><p>Re: 60 Degree DIY Mid Hi</p><p></p><p></p><p></p><p>That’s one of the reasons I went 3-way with the 4594 and twelves. The BMS is a very powerful driver and I suspect in most applications it would be perfectly fine with the passive crossover, however in this case I felt it may be driving it quite hard so it needed every bit of protection I could get. </p><p></p><p>I didn’t want to set the limiter for the level needed to protect the VHF (80W) over the whole driver, nor did I want set the limiter for the HF (150W) and not protect the VHF. I thought about modifying the crossover to include a PolySwitch device to protect the VHF and then set the limiter to protect the 150 watt capacity of the HF</p><p></p><p>At the end of the day I already had amp racks and processing that allowed me to run the system with subs fully active. I was also chasing every bit of quality I could get; going all active gives a fraction more sound quality as does the HE version of the 4594.</p><p></p><p>I suspect for many people the passive crossover version will be able to go loud enough without any problems. </p><p></p><p> I’m using Power soft K6’s on the DIY and its unusual to see anything metering on the box; occasionally I have seen -15 db and very occasionally – 9dB lights on the lows and virtually never anything other than the signal lights on the HF and VHF … but that may just be a case of the meter ballistics being too slow.</p><p></p><p>I must say that when I look at the system in operation it does not look like it would be possible to get that much sound out of such a small box … it looks wrong.</p><p></p><p><a href="http://www.powersoft-audio.com/docman/56-k-series-user-guide/file" target="_blank">http://www.powersoft-audio.com/docman/56-k-series-user-guide/file</a></p><p>Powersoft’s manual has some suggestions for setting limiters that are in line with Bennett’s, Art’s and Ivan’s comments … section 9.11</p></blockquote><p></p>
[QUOTE="Peter Morris, post: 148453, member: 652"] Re: 60 Degree DIY Mid Hi That’s one of the reasons I went 3-way with the 4594 and twelves. The BMS is a very powerful driver and I suspect in most applications it would be perfectly fine with the passive crossover, however in this case I felt it may be driving it quite hard so it needed every bit of protection I could get. I didn’t want to set the limiter for the level needed to protect the VHF (80W) over the whole driver, nor did I want set the limiter for the HF (150W) and not protect the VHF. I thought about modifying the crossover to include a PolySwitch device to protect the VHF and then set the limiter to protect the 150 watt capacity of the HF At the end of the day I already had amp racks and processing that allowed me to run the system with subs fully active. I was also chasing every bit of quality I could get; going all active gives a fraction more sound quality as does the HE version of the 4594. I suspect for many people the passive crossover version will be able to go loud enough without any problems. I’m using Power soft K6’s on the DIY and its unusual to see anything metering on the box; occasionally I have seen -15 db and very occasionally – 9dB lights on the lows and virtually never anything other than the signal lights on the HF and VHF … but that may just be a case of the meter ballistics being too slow. I must say that when I look at the system in operation it does not look like it would be possible to get that much sound out of such a small box … it looks wrong. [URL]http://www.powersoft-audio.com/docman/56-k-series-user-guide/file[/URL] Powersoft’s manual has some suggestions for setting limiters that are in line with Bennett’s, Art’s and Ivan’s comments … section 9.11 [/QUOTE]
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