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Traditional Stack (X1s, HD15s) New Midtops

Printed From: Speakerplans.com
Category: General
Forum Name: Show Off Your Sound System
Forum Description: Show of your gear. Post pictures of your Sound System here...
URL: https://forum.speakerplans.com/forum_posts.asp?TID=108508
Printed Date: 26 March 2026 at 7:09pm
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Topic: Traditional Stack (X1s, HD15s) New Midtops
Posted By: hogcranker
Subject: Traditional Stack (X1s, HD15s) New Midtops
Date Posted: 07 May 2024 at 1:45am

Greetings all,
I'd be nowhere without all of the information provided on this forum, and I'm glad to have completed my first system build(although I've learned a lot along the way and would have done a few things differently in hindsight).  
The X1's are loaded with the Dayton Odeum 18n, and the HD15's are loaded with the Dayton PA380-8.  The Midtop is my strange physically time-aligned design(Qbert?) and features a PRV Audio 3-way crossover @750/5000hz, with: a horn loaded with the PRV Audio 12" 12W750A driver, a midrange phenolic horn loaded with a Selenium D250-X(-7db attenuation), and a PRV Audio TW700TI tweeter in a custom waveguide(-4db attenuation).  
It is powered by three Behringer Amps: an NX6000 for the subs(2*1600w rms@8ohms), an NX4-6000 for the kicks(4*440w rms@8ohms), and an NX3000 for Midtops(2*440w rms@8ohms).  I ordered an LMS over 5 months ago and won't receive it until July, but for now am using an analog 2-way crossover and the amp's 100hz hi/lo pass feature to run(in stereo) the X1's at 25-52hz, the HD15's at 52-100hz, and the Midtops at 100hz and above.  I imagine the ideal frequencies will be closer to 35-52hz, 52-130hz, and 130-20khz.  I'm very surprised with the efficiency, as it runs fine on one 20a circuit even at very loud volumes.    
   





Replies:
Posted By: cravings
Date Posted: 07 May 2024 at 9:27am
cool project. looks good.



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