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THE FIELD NOTES

A little understanding.
A better build.

Practical guides for choosing a design, reading your driver data, and closing the loop with measurement.

FIELD NOTES / 01
GUIDE 01 / 5 MIN READ

Sealed, ported, or passive radiator?

Three ways to build bass. Find the one that fits your driver, your space, and your goals.

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FIELD NOTES / 02
GUIDE 02 / 4 MIN READ

How to read Thiele-Small parameters

Turn a driver data sheet into a useful starting point, without asking the numbers to promise too much.

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FIELD NOTES / 03
GUIDE 03 / 6 MIN READ

Build and verify a subwoofer

From the first driver specification to the final measurement. A practical sequence for a build you can trust.

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