Finally, the last number in the sequence indicated the aforementioned model number. The first number indicated the number of speakers, the next two numbers indicated the size of the speakers [10, 12, 15, etc. Lastly, the catalog numbers were used in price lists and catalogs so a customer could order the exact amp he or she wanted. The model number indicates the chassis used-with a higher number denoting more features-and repairmen relied on these numbers to know what chassis they were working on.

Model numbers are normally found on the serial-number plate located on the back of the amp, and they range from 1 to 8. For example, a series amp means watts of power. Generally speaking, these numbers indicate the amount of power multiplied by two. Series numbers are usually found on the front of the amp-under or behind the Kustom logo-and consist of values like 25, 50, and higher.

How to set interests on tiktokīut more importantly, Kustom, along with Acoustic and Standel, were the first manufacturers to successfully build and market solid-state amps when the technology was new in the s.īob Ross founded Kustom in Chanute, Kansas, in Endless options are great, but trying to differentiate and identify Kustom amps can be extremely frustrating because three different sets of identification numbers were used: series numbers, model numbers, and catalog numbers.

Kustom amps are important because the company really pushed the envelope with unique cosmetics and offered virtually endless options. Why is this and what are these worth today? Many players think these amps sound great, and bands such as Jefferson Airplane and Creedence Clearwater Revival used them heavily in the s. It seems that no two Kustom amps are the same. Probably best known for their unique tuck-and-roll amp covering that was offered in a variety of sparkly colors, Kustom was one of the first amp manufacturers to find success with solid-state technology in the s.

Vintage kustom amp serial numbers