Gitar

 Guitar, an instrument that has strings, and learned how to play with the string or strings. There are 2 types of guitars, acoustic guitars and electric guitars.

Guitar acoustic / classical guitar which is a type of sound generated from the vibration of a guitar string is passed through the saddle and the bridge where the strings binder into the sound chamber. Sound in the room will resonate to the sound of this guitar body wood. The type and quality of wood and string types used will affect the sound produced by acoustic guitar.
 
characteristics

1.  The strings sound amplified by the resonance.
2.  Acoustic guitars have six strings. However, some guitars have seven strings or more.     
3. Some guitars use strings made ​​of nylon and the other made ​​of steel.
4. Use a nylon string guitar that are often referred to as classical guitar 
5. All parts are made of wood guitar. This of course makes the guitar sound becomes stronger and better.

examples of acoustic guitar

Electric guitar / electric guitar is a type that uses pickup to convert some sounds or vibrations of guitar strings into electrical current that will be reinforced by using a set of amplifiers and loud speakers. Electric guitar sound is generated from the vibration of a guitar string on a coil that is in the guitar body is commonly called "pick up". Sometimes the signal coming out of the pickup electronically altered with guitar effects as reverb or distortion

example of elektrik guitar

                             

  Tone on the guitar 
Each guitar has an average setting a different tone. This is dependent on the use of guitar and guitar by the user desires it. 
The tone of the most commonly used are: E-B-G-D-A-E

string	notation scientists	General notation	Frekuensi
first	E4	e'	329.63 Hz
second	B3	b	246.94 Hz
third	G3	g	196.00 Hz
fourth	D3	d	146.83 Hz
fifth	A2	A	110 Hz
sixth	E2	E	82.41 Hz

 

Over sequential tone ranging from sixth string to first string. The first string has the highest tone, and then up to six strings that have the lowest tone. Tones can be generated by adjusting the guitar. 

If the strings are pressed on the frets, it will produce a different tone - different. Here is a table showing the sequence

0	1	2	3	4	5	6	7	8	9	10	11	12
E	F	F♯	G	A♭	A	B♭	B	C	C♯	D	E♭	E
B	C	C♯	D	E♭	E	F	F♯	G	A♭	A	B♭	B
G	A♭	A	B♭	B	C	C♯	D	E♭	E	F	F♯	G
D	E♭	E	F	F♯	G	A♭	A	B♭	B	C	C♯	D
A	B♭	B	C	C♯	D	E♭	E	F	F♯	G	A♭	A
E	F	F♯	G	A♭	A	B♭	B	C	C♯	D	E♭	E

 

sumber : wikipedia