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 [...]

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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

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What is Speaker RECONING?

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

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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. [...]

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Magnetic Personality

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

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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 [...]

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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.  [...]

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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 [...]