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Peter Morris
Senior
Last Activity: 01-02-2018, 04:57 PM
Joined: 05-08-2011
Location: Australia
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  • Peter Morris
    replied to New DIY Mid High
    There are some final plans (pdf format and dwg), in terms of amps I'm using Powersoft K series. Some people have use the K series processing as well.

    https://www.dropbox.com/s/h16is6mbji...
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  • Peter Morris
    replied to Double 10 and Horn
    Hi Martin,

    The first version of the double 10 used a 1.2khz crossover with an EV HP94 horn, an RCF N850 compression driver and 2 x 10" ceramic magnet drivers. At this crossover frequency...
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    Last edited by Peter Morris; 01-02-2018, 07:15 AM.

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  • Peter Morris
    replied to Double 10 and Horn
    He is correct of course, but itís not that simple, the trick is to match the directivity of the horn to the low frequency drivers at the crossover point. As with most things itís a compromise.
    ...
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  • Peter Morris
    replied to Double 10 and Horn
    No I don't have any polar info on the double 10. To me almost all speaker + horn-at-the- top designs have issues at the crossover point. In this case being able to cross over at 650Hz minimises the problems...
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  • Peter Morris
    replied to Double 10 and Horn
    I'm sure you know this, but if you have an alignment that sounds boomy because of a resonance below the HP filter setting like this, you will still hear the resonance, it won't be as bad but it will still...
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    Last edited by Peter Morris; 12-21-2017, 08:25 AM.

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  • Peter Morris
    replied to Double 10 and Horn
    Hi Martin,

    This is what I get when I compare the two alignments - I have set the Vc temp rise to 50 degrees C and Ql (boxes losses) to 15.

    The red curve does what you said,...
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