News

Flush Mounting Fostex FF165WK & Edge Diffractio...

One thing I noticed when I finished my new solid maple baffles was how the frequency response improved.  That project can be found here.  It wasn't so much the material...

Back Loaded Horn Project for Fostex FE163EN-S

Back Loaded Horn Project for Fostex FE163EN-S Recently my brother has been busy building back loaded horns for his Fostex FE163EN-S full range drivers.  He recently bought them on sale...

Fostex T925A Super Tweeter with ES-2000 Circula...

This blog post looks at adding a 2kHz horn lens to the Fostex T925A super tweeter.  The horn lens is my a prototytpe ES-2000 circular horn that I had on...

Passive Crossover for Beyma TPL-150H

Below is a great passive crossover schematic for the Beyma TPL-150H.  This is a simple crossover that deals with the midrange hump in the raw frequency response.  Otherwise the driver...

Beyma TPL-150H

Beyma TPL-150H Recently I purchased a pair of Beyma TPL-150H High Frequency drivers based on the AMT (Air Motion Transformer) technology that was invented by the German physicist and Nobel...

B&C DCX-464 1.4" Coaxial Compression Driver

This blog post features the new B&C DCX-464-16 1.4" Coaxial Compression Driver.  I will show some objective test data and provide feedback on my subjective listening impressions.  Introduction Information on this new...