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Sep 30, 2026 | 0 comments

How to Calculate Speaker Enclosure Volume

PUBLISHED BY IWISTAO · Loudspeaker Design A practical guide to internal dimensions, net air volume, component displacement, and measurement. A speaker cabinet measuring 23.1 liters inside can have only 21.8...

Sep 25, 2026 | 0 comments

Passive Radiators Explained: Parameters, Tuning and Speak...

PUBLISHED BY IWISTAO · Loudspeaker Design How moving mass, suspension and displacement shape bass—and how to choose a radiator for the whole enclosure. A passive radiator can make low bass...

Sep 07, 2026 | 0 comments

Tang Band W8-1772: Specifications, Enclosure Design and S...

Published by iwistao · Loudspeaker Engineering A practical guide to this 8-inch full-range driver, the official SUG1-19 horn, IWISTAO’s 27 L empty cabinet and system matching. Contents What is the...

Sep 02, 2026 | 0 comments

The Western Electric 755A: Anatomy of an 8-Inch Full-Rang...

PUBLISHED BY IWISTAO · Loudspeaker Drivers Why a 1947 voice-reinforcement driver became one of the most coveted full-range units in high-fidelity history — and how to get the best from...

Aug 31, 2026 | 0 comments

Rogers AB1 Bass Extender: The Engineering Behind the Lege...

Published by IWISTAO | Vintage Hi-Fi | LS3/5A Engineering Few loudspeakers have achieved the legendary status of the BBC LS3/5A. Its extraordinarily natural midrange, precise stereo imaging and ability to...

Aug 30, 2026 | 0 comments

Carlsson Speakers: The Ortho-Acoustic Idea That Made the ...

A practical history of Stig Carlsson's Ortho-Acoustic loudspeakers, from the Sonab OA-5 and OD-11 to the wall-coupled OA-50, OA-51, and OA-52.

Aug 07, 2026 | 0 comments

Building a JBL 2420 External Wooden Horn for 12- and 15-I...

Learn how to build and integrate a JBL 2420 wooden horn module with 12- or 15-inch full-range speakers — covering inspection, crossover, placement, and measurement.

Jul 31, 2026 | 0 comments

JBL Control 328C: From Commercial Ceiling Speaker to DIY ...

Published by iwistao · DIY Audio What makes this 8-inch coaxial compression-driver system unusual, why it attracts Ojas-inspired builders, and what to verify before designing a cabinet. Table of Contents...

Apr 28, 2025 | 0 comments

The Manufacturing Process of a Speaker Driver

The speaker driver is the core of any audio system, responsible for turning electrical signals into sound. Whether it’s in a pair of high-end headphones or a massive concert sound system, the way a speaker driver is made plays a major role in the quality of the sound produced. Here's a closer look at how a speaker driver is manufactured.