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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The more of graphics and pictures leave little space for doubts, though. February 25, An electric bass or guitar’s sound depends greatly on its pickups. You will find this problem on many Stratocasters, it is called “Stratitis”. With this knowledge, you can find which type of sounds appeal to you the most, and possibly bend and shape the frequency response with external capacitors and resistors to “tune” pickups to your liking and for the best match to the body and strings.
Since different guitar cables have different amounts of capacitance, it is clear that using different guitar cables with an unbuffered pickup will change the resonant frequency and hence the overall sound.
The Secrets of Electric Guitar Pickups
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. A very handy addition to my library but not the definitive guide I wanted. Enter your mobile number or email address below and we’ll send you a link to download the free Kindle App.
For a humbucker, two of these circuits have to be connected in series. Thus, the values of the resonant frequency in the table are rounded to the nearest Hz. Great book covering a lot of things other books do not. To plot the response, vary the sine wave frequency from about Hz to 10 kHz and measure the pickup’s output voltage with a broad-band multimeter or oscilloscope.
The coil must be driven with a constant current independent of its impedance. This method is most common, but also the most expensive.
Electric Guitar – Sound Secrets and Technology by Helmuth Lemme 9781907920134
Using only one of the coils halves the inductance, so helmuty resonant frequency will increase by the factor of the square root of 2 approximately 1. Rotary switch with a selection of different capacitors, embedded in epoxy resin. A pickup plus real external load pots, cable, and amp input resistance Thus, like any hrlmuth similar filter, it has a cut-off frequency fg; this is where the response is down 3 dB which means half power.
These notches are at different frequencies for each string and cannot leme described with a single curve. This is the range where the human ear has its highest sensitivity. This method has not been successful, however, for although it does reduce resonance superelevation, it fails to achieve the other two above-mentioned results.
But this is a fundamental error. Basically, there are three different ways to change a guitar’s sound as it relates to pickups:.
:: The Secrets of Electric Guitar Pickups
If helmutb analyze the properties of the parts separately you will never understand how the system works as a whole. Looking forward to reading the new helmurh.
Credit offered by NewDay Ltd, over 18s only, subject to status. A pickup plus real external load pots, cable, and amp input resistance. With 47 kOhms or less the peak vanishes. The author discusses methods of characterizing the quality of pickups- from the useful inductance to the not so useful DC resistance. With the k pots used in this guitar there is no more resonance because of very strong eddy currents in the metal parts.
Transmission characteristics resulting from strong eddy currents There have been attempts to measure eddy currents by attaching resistors to helmut replacement circuit, in parallel to the coil or to the terminals.
Since both coils with precise manufacturing have practically identical properties, you may use the hekmuth simple replacement circuit for the electrical examination.
This is for the most part hot air and is all about sales figures”. Their underlying sound is determined largely by their electrical components. These are two entirely different worlds.
Electric Guitar: Sounds Secrets and Technology – Helmuth Lemme – Google Books
With single coil pickups, the axes must be in line with each other; with humbucking pickups, the axis of the transmitting coil must be perpendicular to the axes of lsmme pickup’s coils Fig. Delivery and Returns see our delivery rates and policies thinking of returning an item? Position and height of the peak vary from type to type. They le,me much attention to the resistance and the magnet materials. But if it is too large, the sound will be terrible.
Standard tone controls lower the resonant frequency by connecting a capacitor in parallel with the pickup usually through a variable resistor to give some control over how much the capacitor affects the pickup.
Thirdly, they cause the frequency transmission curve to drop slightly below the helmjth frequency, as shown in Fig. Notify me of follow-up comments by email. The sound material a pickup receives from the strings is not flavoured by the pickup alone but by the complete system.