Build of Horn Speaker

Yellowstone National Park, WY USA (Photo by Yuichi)

Wood horns are the most beautiful and the finest speaker system. Especially, hard wood made horn shows excellent performance and looks. Though it is a little hard to complete the work, if we challenge hard wood materials, the result would be satisfactory for us. However, we need to provide several kinds of power tool for handicraft.

You can find out handicraft and assembly process how to make horn systems. Also, you can understand its properties including a frequency response, a impedance curve, a sound directivity and others in each model.


About the design of the horn with fins, some idea is shown. click Here
Above photo is a A-290 wood horn system. Its cut-off frequency is 290Hz. Therefore, we can use this horn higher than 600Hz (290Hzx2). High end limit depends upon driver capability. Throat size is 2 in or 5cm. Pioneer TAD (Technical Audio Devices) 400X family or JBL-244X family divers can be mountable on this horn. Flare curve is hyperbolic and the horn has four fins inside. So, this horn has very good sound directivity property.

Left side horn is a A-480 wood horn system. Cut-off frequency is 480Hz. Therefore, this horn can be used higher than 800Hz. Throat size is 1in or 2.5cm. TAD 2001 or many JBL drivers can be mountable. High end frequency limit depends upon driver capability. However, most of 1in driver has good high frequency property by 20KHz. So, this can be used as a tweeter in a two way systems.

Right hand photo is a A-800a horn for replacement of coaxial horn with Gauss or other 15 in or 38cm coax speakers which usually has thin plastic made coaxial horn tweeter. This A-800 may replaces those coaxial horn to improve absorption of mechanical resonance because wood material has higher internal loss. There are many variations to fit deferent types of speakers such as Gauss or Altec or others.

You will enjoy individual horn detail data by clicking each link below.




Links to Horn Speaker Building Pages

Horn Model Throat Size Cut-off Flare Type Note Link
A-190E 10 in Direct radiator Driver (Electo Voice) 250 Hz Exponential Short cut No fin A-190E
A-290 2 in or 5 cm Drivers 290 Hz Hyperbolic Full size Fin x 4 A-290
A-290S 2 in or 5 cm Drivers 290 Hz Hyperbolic Full size Fin x 4 A-290S
A-290FL 2 in or 5 cm Drivers 300 Hz Hyperbolic Full size No fin A-290FL
A-300E 2 in or 5 cm Drivers 300 Hz Exponential Full size Fin x 4 A-300E
A-480 1 in or 2.5 cm Drivers 480 Hz Hyperbolic Full size Fin x 4 A-480
A-480FL 1 in or 2.5 cm Drivers 480 Hz Hyperbolic Full size No fin A-480FL
A-480WE Proprietary (Western Electric 555) 480 Hz Hyperbolic Full size No fin A-480WE
A-800 Proprietary 800 Hz Hyperbolic Full size No fin A-800
A-1K 1 in or 2.5 cm Drivers 1200 Hz Hyperbolic Full size No fin A-1K
A-10K 1 in or 2.5 cm Drivers 8000 Hz Hyperbolic Short cut No fin A-10K
Horn Design For A-290 - - - - A-290Design

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Yellowstone National Park, WY USA (Photo by Yuichi)