Altec Lansing ACS90 Speaker Teardown

Written By: Joe Sandoval

Published: November 19, 2019

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Teardown

Tools Featured in this Teardown

Phillips #2 Screwdriver

$2.99

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Introduction

The Altec Lansing ACS90 Speaker system was a popular choice for high-end computer audio in the mid 1990’s. While it might be out of date by today’s standards, it’s still a worthwhile find for decent sound at a bargain-bin price.

This teardown is not a repair guide. To repair your Altec Lansing Computer Speaker System Model ACS90, use our service manual.

Step 1 Altec Lansing ACS90 Speaker Teardown

Behold the beige wonder of the ACS90 speakers

Because both speakers have nearly identical internals, this guide will focus on the right "source" speaker.

Behold the beige wonder of the ACS90 speakers
Because both speakers have nearly identical internals, this guide will focus on the right "source" speaker.

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Step 2

Use a medium sized Phillips-head screwdriver that is at least 6" or longer in length to the unscrew 6 screws holding the speaker together

Use a medium sized Phillips-head screwdriver that is at least 6" or longer in length to the unscrew 6 screws holding the speaker together
Pull the case apart, careful not to damage the PCB or Speaker inside

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