Bert Doppenberg Audio

Audio Equipment - BD-Design

http://www.bd-design.nl/contents/en-us/d10_Audio_Equipment.html

We offer solutions for Do It Yourself, Plug & Play and Custom built amplification (including DSP if desired) optimized for your personal system as well. If you are looking for high quality sound reproduction with exclusive design then feel free to contact me for an appointment to discuss your wishes. Bert Doppenberg.

Showroom Bert Doppenberg - BD-Design

http://www.bd-design.nl/contents/en-us/d227.html

The diffusers are based on the Schroeder principle, the tall ones are 2 m high and 67 cm wide. This tweak really improves stereo image if you have your Oris horns close to the side walls. It diffuses the direct reflections nicely making the sound less "out of phase", giving more clarity and giving the room a more spacious sound (works MUCH ...

BD-Design, only the best!

http://www.bd-design.nl/

BD-Design, designer and manufacturer of the famous Oris front horns and initiator to use front horns in combination with high sensitive full-range drive units for optimal performance. We started our company in 1996 and it has grown naturally due to increasing interest in the designs and development of our extremely good sounding loudspeaker systems as out main products.

Bert Doppenberg - | Stereophile.com

https://www.stereophile.com/writer/206

TNT-Audio inter.views Bert Doppenberg

https://www.tnt-audio.com/intervis/lowthernl_e.html

Inter.view with Bert Doppenberg, from the Lowther Club - Netherlands [Italian version] TNT-Audio > Could please introduce yourself to our readers? How did you start to get involved in audio etc. BD > I am Bert Doppenberg, 40 years of age and I am living in …

A Version of Bert Doppenberg's TQWP speakers

http://www.pmillett.com/tqwp.htm

A Version of Bert Doppenberg's TQWP speakers Just for fun, I decided to try and build a TQWP speaker using small full-range drivers. I started with Bert Doppenburg's TQWP design, which was published on BD Design's web page,and used el cheapo Radio Shack 40-1197 drivers. The result was really astounding for drivers that cost US$5.00 each.