Hivi Fibonacci Horns

Hivi Fibonacci Horns

Hivi Fibonacci

Project Category:
Tower Speakers

Project Level:

Project Time:
20+ Hours

Project Cost:
$500 – $1,000

Project Description:
Aged dried cherry wood cabinets and implementation of a Fibonacci horn with HiVi drivers

Design Goals:
Use some Hivi 6.5 drivers that originally came with a car audio kit that I ended up only using the tweeters for. Found some other midrange and tweeter that looked to match up and decided to wing it

Driver Selection:
Hivi 6.5 driver D620
Hivi TN25 297-408
Hivi dome midrange 2” 297-716

Enclosure Design:
Solid wood construction with an internal Fibonacci style horn that starts small and grows outwards.

25” tall enclosure, 40 ish inches tall total with stand

Enclosure Assembly:
Crossover houses in the bottom box with wires ran through the stand in a drilled out slot

Crossover Design:
3 way 12db crossover with parts from partsexpress. Crossed over at 1100 and 5500

Tips & Tricks:
Get a lot of clamps and make sure everything is really flat

Sounds great, need to listen to them some more but I really love the vocals and the room filling bass that brings out instruments and bass guitars really nice

About the Designer:
This is my first tower speaker build. I’ve built sub boxes for cars before but this one was a new experience. Also first time designing and building crossover

Project Parts List:

HiVi D620 6-1/2″ 2-way drivers
HiVi TN25 Fabric Dome Tweeter
HiVi DMB-A 2″ Fabric Dome Midrange

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