AH-1200

Le Cleac'h 1200 Hz  1.0 Exponential

148 mm diameter (minimum roll back)

 54 mm axial length to a 1” throat. 

16mm thrat for BMS 2496  available

AH-1100

Le Cleac'h 1100 Hz  1.0 Exponential

182 mm diameter (full roll back)

 64 mm axial length to a 1” throat. 

Other throat sizes can be made.- shown here with 35mm throat for Fostex T900. Note: the screws in the front of the driver are replaced by 4M studs which then hold the flange..

AH-550

Le Cleac'h 550 Hz  0.8 Hypex

300mm mouth diameter

 205mm axial length to a 1” throat. 

Other throat sizes can be made.

AH-550 Frequency Response Plots (JBL2420)

AH-425

Le Cléac’h  425Hz  0.707 Hypex

Commissioned by Lynn Olsen for the ‘Beyond the Ariel’ project on diyaudio.

420mm diameter

260mm axial length to a 1.4” throat. 

AH-425 Frequency Response Plots

AH-340

Le Cléac'h 340Hz, 0.8 Hypex

51 cm diameter with normal roll back.

60 cm diameter with full roll back.

405mm axial length to a 1" throat.
287mm axial length to a 2" throat.

Can be made with 168mm throat for use with 8" full range driver

AH-340 Frequency Response Plots (288)

AH-340 Frequency Response Plots (TAD2001)

AH-340 Frequency Response Plots (JBL2420)

AH-204

Le Cleac'h 204 Hz  0.8 Hypex

800 or 720  mm mouth diameter

168mm throat or as required.

Extension to 2" or 1" or other throat available

Available as one piece horn with 2" throat

AH-160

Le Cleac'h 160 Hz 1.0 Exponential

950 mm diameter

170 mm - 100mm throat

Extension to 2" or 1" or other throat available

AH-160 Response Plots (LowtherMP2A)

AH-160 Response Plots (Yamaha)

Bass Horn

Flare rate 50Hz  0.6  Hypex

1.7m length (12" or 15" driver)

2.4m length (12", 10" or 8" driver)

Fibreglass vertical sections available.

Plans available for :

• Bass horn with fibreglass or plywood vertical section

• Push-Pull bass horn, can be used for front or top loaded driver.
  

• Tapped horn subwoofer (10" or 15" driver versions)
  

 AH-50 Frequency Response Plots (Lowther)