The source-date code on a speaker

Dating vintage gibson acoustic guitars

The medium grade case was dropped entirely and the new high grade case was black on the outside, and yellow on the inside. This new serial number system allows determination of the exact date the instrument was stamped with the serial number, and the factory of manufacturer.

You have to make that call. The edges were cut beveled to make them look like they had binding. Lower models used black rigid cardboard cases. This knob is bakelite and very amber in color.

This is very similar to Behlen's Violin Varnish still available today. Les Paul Classic, present. Hence, some serial numbers may be duplicated in different years. This material can deteriote with time the tortoise colored pickguards especially exhibit this trait.

On popular Fender models, the pot date can be very close to the actual date of the instrument. Cover was gold, nickel or after chrome plated. This spirit varnish produces a eggshell crazing patina.

Metal saddles replace

It wasn't till that Gibson came up with a good serial number system that will last them indefinately. It may have been some time before the part was installed at the factory, but it still provides a good approximation of when the gear was made. Note white label numbers A to A were not used. Instead, Gibson just ink stamped the model number inside on hollow body instruments. Thin neck back shape, even compared to today's standards these necks don't have much wood behind the fingerboard and feel very thin.

Most models have nut width dramatically reduced making the neck feel very small. There is still now an outside hole in the metal tuner cover for the tuner worm shaft.

Still no outside hole in the metal tuner cover for the tuner worm shaft. Note the font style of the source-date code number always seems to be the same, for all speaker manufacturers. Around is when Gibson started experimenting with Nitrocellulose laquer, and by all models were using lacquer. Code is either ink stamped onto the label or impressed into the back of the peghead for lap steels, impressed into the back of the body.

The decade though not

Metal saddles replace the nylon saddles on the tunematic bridge. The decade, though not directly shown by the source-date code, was easily determined because this particular amp was only made during the s.

This following information applies to all Gibson instruments including guitars, mandolins, lapsteels, basses and others. The source-date code found on pots and speakers gives the manufacturer and date roughly when the components were made.