Dating jensen speakers code

05 Sep

Each group uses a unique serialization scheme that can be used to assist in dating the amps, but in many cases, it is the features and characteristics of the amps that determine the year of manufacture.

dating jensen speakers code-7

Serial number 3648, original Jensen P12R alnico magnet speaker, just reconed.The following lists provide an accurate record of the date codes used.The first electronic loudspeaker designs were introduced in the 1920’s, and while there have been many improvements in component materials over the decades, not much has changed in the basic functionality of a loudspeaker: a permanent magnet interacts with an electromagnet (voice coil) to move a cone back and forth to produce sound waves. Morgan has a Bachelor’s degree in Chemistry from the University of Georgia and a Ph. in Physical Chemistry from Emory University in Atlanta.Despite its minute size, the 1” exit N151M-8 ring radiator compression driver delivers monumental performance.Weighing in at a mere 1.7 lbs., the N151M-8 utilizes a phase plug design that improves the distribution of forces over the diaphragm surface, which results in a driver with lower distortion, smoother frequency response, and increased sensitivity as compared to conventional ring radiator designs.