Category Archives: Hardware

Burned Up Aiphone

Posted on March 10, 2011 by jwk

This is what happens when you connect the high level output of an audio amplifier, to an input designed to be hooked up to an MP3 player or other line level audio source. This Aiphone PA amplifier was incorrectly installed … Continue reading →

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Cost Engineering in 2011

Posted on January 18, 2011 by jwk

While the power transformer in my previous post may have lasted for years, it ultimately still succumbed to poor design and the transformer is widely regarded as a weak point in Zenith sets. Cost engineering to pick the exact right … Continue reading →

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