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Old 28th January 2011, 05:55 AM   #1
bartbrn is offline bartbrn  United States
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Default DCM Time Window 1a clone - can it be done?

DCM Time Window 1a Speakers
Lost a perfect pair in a divorce (can you believe it?) 20 years ago. I would like to build something as close to the 1as that I can, using SonoTube, MDF, and a lot of advice. I've never found anything I like the sound of as well, and I'd like to come as close as I can to getting that sound again (though my 62-year-old ears probably can't tell the difference anymore.

Does anyone know the design specs, both mechanical and electrical, of these late, great speakers? I know the basic overall dimensions, and what brand drivers were used (2 Philips dome tweeters and 2 Philips 6 1/2 inch woofers w/rubber surrounds in a transmission line configuration), though not sure what model Philips drivers or what alternative modern drivers would be suitable. In fact, I'll be right up front and admit I don't really know what a transmission line speaker configuration would be. All I know is there was a 6-1/2 driver and a small dome tweeter on each angled face, and I loved the sound.

I'm a retired experimental machinist and NASA-certified electronics solderer, so I have the necessary building skills, but I know zip about speaker or crossover design.

Any and all help appreciated!

Peace

Bart Brown
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Old 28th January 2011, 07:17 AM   #2
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