Category Archives: Blog

How To Attach Foam to STYROFOAM CONE

If you have a syrofoam cone, request the latex for adhesives instead of the contact [...]

How To Find a Smaller Foam

The perfect refoam kit for your speaker’s measurements might not exist. Often you must adapt an [...]

Don Lindich: Consumer Advice

Consumer electronics advice from Don Lindich: Q: In preparing our living room for the new [...]


Factory Authorized Service & Repair Center for:

Adam, B&C, Bag End, Boston Acoustics, Celestion, Cerwin-Vega, Cerwin-Vega Mobile, Dynacord, Eden, Electro-Voice, Eminence, Energy, [...]


How To Refoam Your Speaker: Instructions

You will need: refoam kit (foam, dustcap, shims, contact glue), utility knife, masking tape 1. Remove speaker from [...]


How to Measure Your Foam

To determine which foam is the right one, Measure the inside diameter (ID) and outside diameter [...]

How a Speaker works detailed

The key working components of a loudspeaker are shown in the diagram below. When an [...]


Knowing Cone Drivers: How They Work

Knowing Cone Drivers: How They Work, Understanding Key Data & Specs What’s really going on [...]

Beam sound

A transducer can be made to project a narrow beam of ultrasound that is powerful [...]

Digital speakers

Actual digital speaker driver technology not only exists, but is quite mature, having been experimented [...]

Piezoelectric speakers

Piezoelectric transducers, frequently used as beepers in watches etc., are often used as tweeters in cheap speaker systems. [...]

Ohm Model “F” Speaker Deisgn

The Ohm model “F” speakers invented by Lincoln Walsh feature a single driver mounted vertically as though [...]


speaker info- definitions

A loudspeaker, or simply speaker, is an electromechanical transducer which converts an electrical signal into [...]

How do Speakers Work?

A speaker converts electrical energy to mechanical/acoustical energy. It uses a coil of wire, which [...]

How to Open the Cone to a larger voice coil opening:

Lay cone face down on table top put top of voice coil onto voice coil [...]


When the woofer surrounds of my stacked Cello Amati speakers disintegrated, Cathy at Speakerex saved [...]

Speaker Sales & Service

  We’re all about Speakers! Family Owned and Operated, we have been All About Speakers [...]