Martinu, Frank "Installing A "Hidden System" Without Sacrificing Sound Reproduction" Mobile Electronics Specialist January 1991: 26-27.
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Martinu, Frank "Installing A "Hidden System" Without Sacrificing Sound Reproduction" Mobile Electronics Specialist January 1991: 26-27.
https://live.staticflickr.com/7867/3...17f3f164_b.jpg
https://live.staticflickr.com/7870/4...610c9627_b.jpg