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Otop 15 Compression Horn Driver Kit

Price: USD $259.99
  • Description
  • Related Items

The Otop Series are the easy to build high output models of Bill Fitzmaurice Designs

  • The OT15 may be built with a single compression driver on a CD horn,
    or it may be built with a six element vertical tweeter array for
    line-array stacking of multiple cabs.
  • The OT15 may also be built with a twelve element cross-firing melded tweeter array,
    giving high frequency dispersion that no commercial PA top can match.
  • For the highest possible output at the longest throws, build yours with a premium compression driver on a line arrayable full cabinet height horn.
  • Also available in a J array trapezoid cab. The same kits fit both tradtional and trapezoid
  • One of our most popular kits
  • Complete details and plans are available from

Kit Contents

Otop 15 Compression Horn Driver Kit Includes:

  • Speaker of your choice from the selection box.
  • 3 Different Tweeter choices
  • All crossover parts to spec, parts or prebuilt by SpeakerHardware.
  • All parts are tested and confirmed by the SpeakerHardware shop to fit a Otop 12.

Response Graph

Otop 15 3015 ASD


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Shipping & Inventory Update

We are doing our best to get our products out to you in a timely, safe fashion. Expect partial shipments, as our inventory allows. The entire speaker industry is experiencing parts shortages, lead times will be long. 

Please email about any order that includes drivers for availability. 

The situation is changing too fast for me to keep the out of stocks listings current. The balance of any order will be sent as soon as we have product available.

As you may know, plywood prices are skyrocketing. We will strive to keep increases to minimum amounts to cover our changing costs. Availability is becoming an issue also. Business is booming, and flat pack and shop built orders are once again stretching lead times.

Expect at a minimum of 3 weeks for any shop built order.