Category Archives: Blog

Beam sound

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

Blown Away- Looking Good!

Spex T-Shirts now available. Be the first to be Blown Away in your town. Available [...]

How a Speaker works detailed

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


Speaker Repair “No No”: What Not To Do

When you recone a speaker you must set the spider and cone level. In our [...]

SEAS Recone

Bo H in Norway needed to recone his SEAS speaker. We did not have a [...]

Fraser Speaker Recone

Vintage Speaker Repairs our our Specialty.

Chart of Refoam Kits

View Chart of all Refoam Kits specs

What is Speaker RECONING?

What is Speaker RECONING” Speaker Reconing is the replacement of all the moving parts in [...]


Cleaning Debris from Voice Coil

If your speaker makes a scratching or buzzing noise that you can hear when you gently [...]

Polk SL1000, SL2000 Tweeter vs SL2500

The original Polk SL1000 tweeter had an aluminum faceplate. That tweeter is no longer available. [...]


Magnetic Personality

Pictured are two JBL speakers. The keys are magnetically attracted to one, but not the [...]


New Voice Coil vs. Burnt Voice Coil

The picure displays the visual differences between a brand new voice coil (left) and an [...]

How To DIY Recone with a Pre-Assembled Kit

Recone Instructions- Preassembled One piece kit Recone Instructions  PDF- printable version To Clean the speaker, use [...]


Peerless K040-MRF Midrange Repair

This Peerless midrange was used by many manufacturers including JBL and Infinity. It is a [...]

How Long Will Your Speakers Last?

I saw an article in The Audiophiliac asking “How long should your hi-fi last“.  It says: [...]

How To Open Cone Throat for Larger Voice Coil

Use voice coil to outline the voice coil opening required on the cone. With a utility [...]

Passive Crossovers Explained

We found this wonderful tutorial explaining all you will ever need to know about passive [...]

How Did JBL Get Its Name?

James Bullough Lansing, an obsessed and depressed genius, invented everything he could including his  name.  [...]


Speaker Diaphragms: Aftermarket vs Genuine

How can you tell if you are purchasing a Genuine Factory or an Aftermarket Diaphragm” As [...]

Electro Voice XLC, DVX, DVN2065 Repair Results

Reconing Electro Voice 6″ DVN2065 with factory EV recone kits returns these speakers to exact [...]