Johnson Amplification was a subsidiary of DigiTech by the

Harman Music Group Harman International Industries, commonly known as Harman (stylized in all-uppercase as HARMAN), is an American audio electronics company. Since 2017, the company has been an independent subsidiary of Samsung Electronics. Headquartered in Sta ...

, which manufactured and sold

amplifier An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It may increase the power significantly, or its main effect may be to boost the v ...

s using a design by John Johnson. Johnson amplifiers used tube integrated modeling technology, a method of emulating the sounds of several different types of classic and modern amplifier with a high degree of accuracy and ease of operation. The design incorporated the use of tubes as well as solid state circuitry. Among the popular products Johnson offered were the JM-150 combo amp, JM-250 Amplifier head and cabinets, the J-12 foot controller, the J-Station, and the JT-50 practice amp. Johnson ceased operation in July 2002 and is no longer manufacturing these products, however their amplifiers remain quite popular in the after-market.

References

{{reflist Guitar amplifier manufacturers Audio equipment manufacturers of the United States