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Improvement in Guitars T-Shirt

Qty:
Basic T-Shirt
-$2.00
+$14.35
Natural
Classic Printing: No Underbase
-$1.70
Vivid Printing: White Underbase
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85
+$6.85

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About T-Shirts

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Style: Men's Basic T-Shirt

Comfortable, casual and loose fitting, our heavyweight t-shirt will easily become a closet staple. Made from 100% cotton, it's unisex and wears well on anyone and everyone. We’ve double-needle stitched the bottom and sleeve hems for extra durability.

Size & Fit

  • Model is 185 cm and is wearing a medium
  • Standard fit
  • Garment is unisex sizing
  • Fits true to size

Fabric & Care

  • 100% cotton (Heathers are a cotton/poly blend)
  • Double-needle hemmed sleeves and bottom
  • Machine wash cold, tumble dry low
  • Imported

About This Design

Improvement in Guitars T-Shirt

Improvement in Guitars T-Shirt

From the patent illustration improving on acoustic guitars. An acoustic guitar is a guitar that uses only an acoustic sound board. The air in this cavity resonates with the vibrational modes of the string and at low frequencies, which depend on the size of the box, the chamber acts like a Helmholtz resonator, increasing or decreasing the volume of the sound again depending on whether the air in the box is moving in phase or out of phase with the strings. When in phase, the sound is increased by about 3 decibels and when in opposing phase, it is decreased about 3 decibels. As a Helmholtz resonator, the air at the opening is vibrating in or out of phase with the air in the box and in or out of phase with the strings. These resonance interactions attenuate or amplify the sound at different frequencies, boosting or damping various harmonic tones. Also, the air in the box is coupled to the resonance of the top plate. Together, this causes further interaction. The back of the guitar will also vibrate to a lesser extent, driven by the air in the cavity. Some sound is ultimately projected through the sound hole (some variants of the acoustic guitar omit this hole, or have holes, like a violin family instrument). This sound mixes with the sound produced by the front face of the soundboard. All these complex air coupling interactions, along with the resonant properties of the panels, are a key reason that different guitars will have different tonal qualities. The sound is a complex mixture of harmonics that give the guitar its distinctive sound.

Customer Reviews

4.7 out of 5 stars rating32.3K Total Reviews
25258 total 5-star reviews4921 total 4-star reviews1109 total 3-star reviews497 total 2-star reviews474 total 1-star reviews
32,259 Reviews
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5.0 out of 5 stars rating
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By Shelley M.3 October 2022Verified Purchase
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I was really pleased with this shirt, the quality of the Tshirt was excellent, the artwork and print stands out and the fit is true to size....my son loved this for his 16th birthday 😀. Very good quality and color
5.0 out of 5 stars rating
5 out of 5 stars rating
By Stuart B.28 June 2025Verified Purchase
Basic Dark T-Shirt, Black, Large
Excellent design platform, great quality material and printing, and quick delivery: couldn't ask for more...
5.0 out of 5 stars rating
5 out of 5 stars rating
By Vivienne C.9 June 2023Verified Purchase
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AAA+++ Perfect gift for my old dad. He loved it - highly recommend and will buy again. Printing looked perfect to me

Tags

All Products
acousticacoustic guitarmusicmusicalguitarpatentillustrationdrawingvintagecool

Other Info

Product ID: 235379659928485065
Posted on 25/11/2009, 11:54 PM
Rating: G