What would today’s rock and pop music be without electric lead and bass guitars ? These instruments have been setting the tone for more than sixty years. Buy Electric Guitar – Sound Secrets and Technology 1st by Helmuth Lemme ( ISBN: ) from Amazon’s Book Store. Everyday low prices and free . Find great deals for Electric Guitar – Sound Secrets and Technology by Helmuth Lemme Shop with confidence on eBay!.
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There are two basic pickup types, magnetic pickups and piezoelectric pickups. Although there is more info I wish this book contained and with all my quibbles I have years under my helmufh in the professional guitar making business, but was greatly surprised of discovering a lot of contents that redefined my knowledge on many subjects, and that answered long held questions. The diagrams are minuscule thus pretty useless. See our Returns Policy. There are thousands of iron and steel core types, whose properties can differ widely, resulting in variable frequency transmission characteristics.
If this variation is very small, it can sound good and the tone becomes more alive, like with a slight chorus effect. There are lengthy discussions between musicians about the advantages and disadvantages of different models, and for someone who has no knowledge of electronics the subject may seem to be very complicated. The resonant frequency of lejme available pickups in combination with normal guitar cables lies between 2, and 5, Hz. Click here to read the article.
But with too short a distance, the magnets pull the strings, and harmonics are shifted so that they are no longer exact multiples of the fundamental frequency, but a little higher or lower.
The Secrets of Electric Guitar Pickups
Guitar synthesizers have a dedicated chapter, too. A transmitting coil radiates an alternating magnetic field into the coil s of the pickup.
Almost no one is able to explain this to the true musician with no technical background. An electric bass or guitar’s sound depends greatly on its pickups. I was very disappointed with this book which I was led to believe was the Guitar Wiring Bible. Electrically, though, pickups are fairly easy to understand – so this article will examine the connection between electrical characteristics and sound. It can be seen how different values of pots in the guitar influence the height of the resonance peak.
As the height of the resonance peak depends on the external load resistance volume pot, tone pot and amplifier input resistancelowering this load e.
The first version of this article was published in the American magazine “Electronic Musician” edited by Craig AndertonDecemberp. Furthermore, it is possible to analyze any modifications on a pickup, such as removing the metal cover or exchanging the magnets for others, or technical defects like short-circuit windings inside the coil. Singlecoil pickups are sensitive to magnetic fields generated by transformers, fluorescent lamps, and other sources of interference, and are prone to llemme up hum and noise from these sources.
This book balances and integrates theoretical and practical topics, all accompanied with the corresponding references in the form of tables, wiring diagrams and charts.
Sensing the strings at only one point instead of two also has an effect, but this is much smaller. Lsmme depends on the number of turns, the magnetic material in the coil, the winding density and the overall geometry of the coil.
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Electric Guitar – Sound Secrets and Technology by Helmuth Lemme | eBay
Magnetic pickups work only with steel strings, and consist of magnets and coils. This will give you much more sound variation than a standard tone control Fig. A helmuyh does not “have” a sound, it only has a “transfer characteristic”.
Leave a Reply Cancel reply Your email address will not be published. So you can measure the frequency response easily To plot the response, vary the sine wave yelmuth from about Hz to 10 kHz and measure the pickup’s output voltage with a broad-band multimeter or oscilloscope. The effect of the sound difference between one coil and two coils with a humbucker is overestimated by lemmw. Position and height of the peak vary from type to le,me If you know the resonant frequency and height of the resonant peak, you know about 90 percent of a pickup’s transfer characteristics; these two parameters are the key to the “secret” of a pickup’s sound some other effects cannot be described using this model, but their influence is less important.
Some pickups have a metal cover for shielding and protection of the coils, others have a plastic cover that does not shield against electromagnetic interference, and still others have only isolating tape for protecting the wire.
To plot the response, vary the sine wave frequency from about Hz to 10 kHz and measure the pickup’s output voltage with a oemme multimeter or oscilloscope. Completely mounted circuit boards of this kind, fitting into most common instruments, are available from the author Fig. And good science books tell you not only what happens, but more importantly, how.
A transmitting coil radiates its magnetic AC field into the pickup coils. To get the free app, enter your mobile phone number.
There are so many pickups on the market that it is difficult to get a comprehensive overview. Visit our Help Pages.
:: The Secrets of Electric Guitar Pickups
Response of a Fender Stratocaster pickup with pF load capacitance and different Ohmic loads. This is a shame but it is true.
The integral “heliocentric” view on pickups: A sine wave voltage feeds an integrator circuit to produce an output voltage that is inversely proportional to frequency.