Knowledge available at GITEC - structured in themes
Guitar
Info on the Instrument itself
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Origins of the Sound: String Vibration
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The Heart of the (electric side of the) Matter: pickups and controls
- What PotEG hast to say about magnetic pickups
- What PotEG has to say about piezo-pickups
- What PotEG has to say about controls, tone-caps, cables et al.
- SPECIAL ARTICLE: Alnico-magnets for guitar-pickups
- SPECIAL ARTICLE: Q-factors, DC-resistances, impedances - qualifiers for the sound of pickups
- SPECIAL ARTICLES: The Fender "Wide Range" Humbucking Pickup, some of its clones, and the "old competition"
- SPECIAL ARTICLE by Helmuth Lemme: How to minimize noise and hum – NO MORE INTERFERENCE
- SPECIAL ARTICLE by Helmut Lemme: Low-Impedance Pickups
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Essential Support for the String - and some Misconceptions: neck, bridge, body, frets, etc.
- What PotEG has to say about Neck and Frets of the Guitar
- What PotEG has to say about the Guitar Bridge
- SUSTAIN! – What PotEG has to say about absorption of the vibration
- Body and ... Misconceptions: what PotEG has to say about the influence of the guitar body on the (electric) sound
- A bridge too far? – Analysis of special bridge constructions in PotEG
- So, what's the deal here? - PotEG looks into the factors that are important to the sound
Effects
Processing between Guitar and Amp
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What PotEG has to say about that first shaping of the guitar signal
Amp & Speaker
It might get loud ...
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Loud 'n' Proud: the Guitar Amplifier & all you ever wanted to know about it
- Shaping up the signal: PotEG on preamp, tone-control, and driver stages
- Where the Muscle resides: what PotEG has to say about the power stage and the output transformer
- Nothing at all happens without it: what PotEG has to say about the Power Supply
- What PotEG has to say about the Operational Behavior of Amps
- What's in a Name: PotEG has something to say about Well-Known Amps
- Bottles of Joy? - PotEG on Tube Data
- SPECIAL ARTICLES: Fender Bassman, Fender Solid-State Twin Reverb & a Modular Tube Amp
- SPECIAL ARTICLE by Helmuth Lemme: Potential trouble with passive components
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Gotta Move some Air: Guitar Loudspeakers in detail
Studio & Stage
For safe arrival of that great sound
Links & Literature
Sources of knowledge ... and more
Science & Theory
Going deep ... into the nitty-gritty
- Tonal Systems, our Hearing, and how to investigate it All - and some associated Quirks: PotEG on Psychoacoustics
- The Invisible Stuff – what PotEG has to say about Magnets and the Magnetic Field
- Vibration and Waves
- Visualize what's going on: a Collection of Animations
- Instrumentation and Metrology
- The Piezo-Effect: Equations of State
- Q-factors, DC-resistances, impedances - some theory and some practical approaches to measurements