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The Pickup Place / Re: Does Decking a Tremolo Effect Signal to Noise Ratio of Pickups?
« on: November 06, 2021, 03:49:04 AM »I can see it affecting sustain but signal to noise ratio? Any physics experts here explain how that works?It won’t even affect sustain. The body doesn’t generate sustain. There’s this big myth that you need to transfer vibrations from the strings to the body and neck. But that’s the opposite of what you want for sustain. You can want the energy from the moving string to stay in the string. The body and neck will remove that energy and the string will stop vibrating. This is conservation of energy.
A solid body has more sustain than an acoustic guitar because the mass of the body means it has a high mechanical impedance. It’s hard for the strings to vibrate the body. So you don’t get much acoustic output but you get long sustain.
Now look at a banjo. Almost all the energy of the string is used to vibrate the head. You get a loud acoustic output and almost zero sustain.
On a trem, the springs will rob some energy. This is probably why Fender put 5 springs on the trem originally.
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