Because of the long history of the acoustic guitar, there are many different kinds; some kinds are rarely considered guitars, such as the ukulele. The body of the guitar itself creates acoustic amplification. However, the unamplified guitar is not a loud instrument; that is, it cannot "compete" with other instruments commonly found in bands and orchestras, in terms of sheer audible volume. Many acoustic guitars are available today with built-in electronics to enable amplification..

1961 Gibson J50 Guitar
Gibson mandolins, Martin, Gibson, Fender, and Gretsch guitars, Original adjustable bridge saddle insert..Comes with a period maybe original hardshell case

Gibson Forums
I have to conclude that your guitar has a replaced bridge for sure and is a J-50 .Navigation " Gibson Forums " Acoustic Guitars " HELP!!! J50 issues

Vintage Gibson Guitars: Gibson J-50
acoustic guitars that gibson ever produced , guitar players love an abbreviation for "adjustable bridge" , gibson added adjustable bridges to the

Gibson B25: Harmony Central User Reviews
of mine has a '57 Gibson J50 and that is the only guitar that I have ever played mohagany back and sides, adjustable bridge, kluson in line tuners, Brazilian

Re: Gibson J50 adjustable saddle
any idea of where I can get an adjustable saddle for my gibson J-50 (1969) ESP Guitars Gibson SG Left-Handed Guitars Same Day Music.com Guitar Store

Mandolin World Headquarters...and Guitars! sells Gibson mandolins, Martin guitars, Gibson guitars, Fender guitars ...
1961 Gibson J50, Nice guitar, a little cleaner than the other on the page, still neck but also has the adjustable bridge and truss rod and, most importantly,

GIBSON J50 ADJ (1966) (20U-9885) - Elderly Instruments
Instruments - Flat-top Guitars.GIBSON J50 ADJ (1966) GIBSON J50 ADJ (1966) fret) neck, reverse belly bridge with adjustable saddle, 20 frets, rosewood

Gibson J-50: Harmony Central User Reviews
has but it has never been bothersome enough to replace), adjustable bridge. guitar since 1962, and I've bought and sold way too many good guitars, including

Noyce Guitars: Products: Work Bench: Gibson J50
Bridges..Archives.Rare Birds.Catalogues.Testimonials plate was 5.5mm ply with fixing bolts and bushings for the adjustable bridge.Card Keeper

Gibson J Guitar Acoustic on eBay
1968 GIBSON J50 J-50 ACOUSTIC GUITAR, NO RESERVE!!!!, ends May-29 1:29 pm PDT.. Vintage 1960 Gibson J-45, J-50 Adjustable Bridge, ends Jun-1 7:00 pm PDT