Kurt Prange

Kurt Prange (BSEE) is sales engineer for Amplified Parts (amplifiedparts.com) in Tempe, Arizona. Kurt began playing guitar at the age of nine in Kalamazoo, Michigan. He is a guitar DIY’er and tube-amp designer who enjoys helping other musicians in the endless pursuit of tone.

Amp DIY

Power Trip: A Guide to Power Tubes and Their Signature Sounds

Whether you’re shopping for a new amp or trying to coax different tones from one you’ve got, this comprehensive look at power tubes and their sonic traits is essential reading.

Enter to Win the Vintage-Voiced Cort Essence GA4 Guitar

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Kurt Prange

Power Trip: A Guide to Power Tubes and Their Signature Sounds

Whether you’re shopping for a new amp or trying to coax different tones from one you’ve got, this comprehensive look at power tubes and their sonic traits is essential reading.

Alnico, the Miracle Metal

The history of the Aluminum-Nickel-Cobalt magical combination we know so well

Magnetic Circuits

Ever wonder how a speaker works, or what different magnet types do? Kurt lays out the differences.

Innovations in Speaker Manufacturing and Development

neodymium magnets, acrylic adhesives, synthetic suspension materials, and a variety of paper cone construction techniques are detailed in this look at speaker construction innovations.

Enter to Win the Vintage-Voiced Cort Essence GA4 Guitar

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Kurt Prange

Power Trip: A Guide to Power Tubes and Their Signature Sounds

Whether you’re shopping for a new amp or trying to coax different tones from one you’ve got, this comprehensive look at power tubes and their sonic traits is essential reading.

Alnico, the Miracle Metal

The history of the Aluminum-Nickel-Cobalt magical combination we know so well

Magnetic Circuits

Ever wonder how a speaker works, or what different magnet types do? Kurt lays out the differences.

Innovations in Speaker Manufacturing and Development

neodymium magnets, acrylic adhesives, synthetic suspension materials, and a variety of paper cone construction techniques are detailed in this look at speaker construction innovations.