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Tech Report:
Using an RTA
Source: Audio Control
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The Audio Control 3055 is, to many, the staple of RTA and SPL measurement in the
car audio world. This very informative and detailer user’s manual for the SA-3055
actually has many, many general tips and concepts that you can apply to any car
audio system in the pursuit of better sound, lower noise, and more predictable results.
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Tech Report:
Computer Based RTA Tips
Source: JBL Car Audio
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When it comes to using high tech tools in the car audio world, it can be a bit of
a challenge to pull all the necessary resources together to make it all work. Andy
Wehmeyer, Global Product Line Manager at JBL Car Audio, created this easy to follow
PowerPoint that gives several useful resources to make your laptop computer into
an RTA with any number of software programs. Andy’s efforts focus on some of the
hard to understand peripheral devices you’ll need to make it all work!
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Tech Report:
Measuring Current Drain
Source: Ramsey Consulting Group
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Measuring current drain levels while the vehicle is parked and the engine is not
running can often lead to demonstrative answers to the common puzzling question;
“Why is my battery always mysteriously dying?” This test is designed to be step
one in a series of vehicle electrical and charging system “State of Health” diagnosis
and is commonly done when the customer complains of the battery dying mysteriously
overnight, or during the course of several days. This technical document explains
how to perform this test properly.
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Tech Report:
Basics of Current Draw
Source: The Snake Pit / Directed Electronics Technical Support
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Understanding both the meaning of current draw measurements and the appropriate
way to take those measurements is crucial in proving the performance of a vehicle’s
electrical system, in relation to aftermarket electrical equipment. This one-page
document covers this topic in detail.
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