Astatic Serial Number

Contents • • • • • • History [ ] In 1930, two operators, Creed M. Chorpening, W8WR (later W8MJM) and F.H.

Woodworth, W8AHW began experimenting with different types of for their 'ham' stations. Their mutual friend, Charles Semple, worked for where he had been experimenting with. Semple demonstrated some crystal pick-ups that Brush was working with, leading Chorpening and Woodworth to found The Astatic Microphone Laboratory, Inc. Semple was brought into the company as general manager to manufacture and market the company's model D-104 Crystal Microphone as well as other crystal microphones, crystal phonograph pickups and recording heads. In 1944, Astatic moved operations to and supplied microphones, pickups and crystal cartridges as well as and devices to the military during.

After World War II, Astatic Microphone Laboratory became The Astatic Corporation. Currently, the company is located in and offers microphones and audio accessories to various audio industries.

The Astatic JT30 in particular is really good for those. Same mold as was used to build original Astatic. * Is it true or false that green is a number? Includes instructions etc. Serial number is #27971905. ASTATIC Golden Eagle D-104 Cb Radio 18Kt Gold Plated Microphone-Box & Paperwork.

The Citizens Band (CB) product division of Astatic was sold to DAS Companies, a communications product distributor for interstate truck stops. DAS expanded the Astatic name to non-microphone accessories including coaxial cables, meters and antennas. JT-30 microphone [ ] Astatic also manufactured bullet style microphones, which are extremely popular among players. The original Astatic model JT-30 was introduced in late 1939. There were many variations in different colors such as the Jt-30-C, W-30, 31, Jt-40, Jt-50, and Model A. It is one of the most popular microphones for blues harp players.

Production of the mic continued in different versions such as the JT-30VC and the CAD HM-50 that were marketed to harmonica players before being discontinued in 1999. In 1999 Hohner bought the molds to the Jt-30 shell and Astatic's very last batch of crystal elements and it was sold as the Hohner 1490 Blues Blaster The Blues Blaster elements were Astatic MC-151 Crystal elements until 2001. Later versions of the Blues Blaster used a Japanese element. The Astatic Jt-30 Roadhouse was the same as the Blues blaster except with a different connector. Both microphones were discontinued in 2013 marking an end of production for the Jt-30 after 74 years. The Jt-30 is still popular among harmonica players.

It was lightweight, cupped in the hands easily and distorted the sound when run through a Tube Amplifier. Canada Grains Council 1999 Statistical Handbook Japan. The Jt-30 was used by, Little Walter, Big Walter Horton, Junior Wells, Carey Bell, George 'Harmonica' Smith, William Clarke, Gary Primich, Kim Wilson and countless others.

Many players modify them by putting in Shure Controlled Magnetic Transducers after the original elements fail. D-104 microphone [ ]. Vintage D-104 microphone head Introduced in 1933, the Astatic model D-104 became known for its high frequency response that contributed to better communications audio quality.

Early D-104 mikes used a 1' thick case, a large ID tag, and holes for 'ring & spring' mounts. The design was modified in April 1937 with smaller tags and reduced thickness. A black 'grip' switch stand ('G' Stand) with a metal ID tag was manufactured in January 1938. A solid-state amplifier was incorporated into to the 'G' stand in the 1960s. A model D-104 was manufactured in 1976 featuring an eagle and shield design on the back plate, as well as a chrome base. There was also a gold (in color) version with the eagle on the back plate. There were other variations, but production ceased in 2001.

The D-104 is often used by hobbyists and enthusiasts as part of their operating activities. See also [ ] • References [ ].