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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An absolute sin for a tech book that uses colour references to describe how to do certain types of wiring. His excellent book on guitar electronics is available in German and English.
Their underlying sound is determined largely by their electrical components. The resonant frequency depends on both the inductance L with most available pickups, between 1 and 10 Henries and the capacitance C.
Top Reviews Most recent Top Reviews. Learn more about Amazon Prime. A transmitting coil radiates an alternating magnetic field into leemme coil s of the pickup.
The passive low-pass filter works as a voltage amplifier here but doesn’t amplify power because the output current becomes correspondingly low, as with a transformer. The finer details are explained later.
For instance, with standard size humbucking pickups, for the deep E string the notch is at about 3, Hz, for the A string at 4, Hz. The main reason for getting more treble with one coil is that the resonant frequency has been raised because of the halving of the inductance.
:: The Secrets of Electric Guitar Pickups
Using only one of the coils halves the inductance, so the resonant frequency will increase by the factor of the square root of 2 approximately 1. A real coil can be described electrically as an ideal inductance L in series with an Ohmic resistance R, and parallel to both a winding capacitance C.
Thanks to the author for permission to share his article here with you. The shorter the distance between magnetic pole and string, the stronger it is. The book ends up with a look into the passion of guitar collecting.
I found many “blind” topics, too; those about things that I ignored that I ignored. This is a chapter in which the marketing resource of overusing the word “vintage” is demystified and replaced with clear tips to evaluate an instrument from an electrical, mechanical and ergonomic standpoint.
The more of graphics and pictures leave little space for doubts, though. With a few deft interventions, many instruments can be rendered more versatile and made to sound a lot helmufh – in the most cost-effective manner. Many people measure only the resistance and think they know something about a pickup.
For raising the height of the peak, the load resistance must be increased. Thus, the values of the resonant frequency in the table are rounded to the nearest Hz.
The author is an experienced electronics professional and active musician. Great book covering a lot of things other books do not. And the best pickup is useless when you have a poor guitar body pemme poor strings. He has thoroughly tested everything described here, in practice. In many cases these cores are screws, lemm level differences between strings can be evened out by screwing the core further in or out. 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.
The Secrets of Electric Guitar Pickups
These rotary switches are commercially available now, handmade by the author, embedded in epoxy resin Fig. For a humbucker, two of these circuits have to be connected in series. As helmutn induced voltage in the pickup is proportional to the variation of the magnetic field with time, the driving current through the coil must be inversely proportional to the frequency. This slope is inversely proportional to the threefold power of the frequency.
Hel,uth you rearrange this setup into an AC signal source by attaching a passive filter, you obtain the configuration shown in Fig.
Electric Guitar – Sound Secrets and Technology by Helmuth Lemme 9781907920134
The first instrument manufacturer to apply this was Alembic since the seventies, later it was copied by others. A much more effective approach is to divide the coil in two, and to connect only one of the two parts via resistor R2. Would you like to tell us about a lower price?
Active electronic circuit that acts as a second-order low-pass- filter and imitates the sound characteristics of many different guitar and bass pickups Measuring Frequency Response To precisely measure a pickup’s frequency response, it would be necessary to measure the vibration of the string and compare it with the output voltage at every frequency.
With the strings at rest, the magnetic flux through the coil s is constant.
This method is inexpensive but can be very effective. Normally, both coils are switched in series. But, how do they actually work? You can easily check it up. The author succinctly describes the guitar circuit and discusses how each component of the circuit contributes to the resulting guitar tone. Shopbop Designer Fashion Brands.
Elektor; 1st edition Language: An electric bass or guitar’s sound depends greatly on its pickups. But, how do they actually work? While the frequency is varied over the entire audio range, the instrument measures the output voltage of the pickup.
The new second version Fig. Share your thoughts with other customers.