Company:Astatic Corporation

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Astatic
Founded1933
FoundersCreed M. Chorpening, F.H. Woodworth
HeadquartersSolon, Ohio,
United States
ProductsPro audio, microphones, sound equipment
OwnerDAS Companies, Omnitronics
Websitewww.cadaudio.com

The Astatic Corporation is a commercial audio products manufacturer founded in Youngstown, Ohio in 1933. Astatic formed CAD Professional Microphones in 1988 as a division of Astatic. The company reorganized as Omnitronics LLC in 2000, and later combined CAD, Astatic and Omnitronics under the CAD Audio brand.[1][2] DAS Companies includes Astatic Citizens Band products as one of its sub-brands.[3]

History

Astatic model D-104 microphone

In 1930, two amateur radio operators, Creed M. Chorpening, W8WR (later W8MJM) and F.H. Woodworth, W8AHW began experimenting with different types of microphones for their "ham' stations. Their mutual friend, Charles Semple, worked for Brush Development Company where he had been experimenting with Rochelle salt crystals. Semple demonstrated some crystal pick-ups that Brush was working with, leading Chorpening and Woodworth to found The Astatic Microphone Laboratory, Inc. in Youngstown, Ohio in 1933. 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. [4] In 1944, Astatic moved operations to Conneaut, Ohio and supplied microphones, pickups and crystal cartridges as well as hydrophone and Sonar devices to the military during World War II. After World War II, Astatic Microphone Laboratory became The Astatic Corporation.[4]

The commercial audio product division of Astatic became CAD Professional Microphones in 1988. After a merger with Omnitronics LLC in 2000, CAD, Astatic and Omnitronics combined under the CAD Audio brand. The company offers audio products for recording, live performance, commercial and personal audio, and is located in Solon, Ohio.[1][2]

In 2012, the Citizens Band (CB) product division of Astatic that had been acquired from Omnitronics by Barjan LLC in 2006[5] 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.[3]

JT-30 microphone

Astatic also manufactured bullet style microphones, which are extremely popular among harmonica 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.[6] 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.[7] 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. 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.[8] Many players modify them by putting in Shure Controlled Magnetic Transducers after the original elements fail.[6]

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 the "G" stand in the 1960s. A US Bicentennial 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.[9] The D-104 is often used by CB radio hobbyists and vintage amateur radio enthusiasts as part of their operating activities.[10]

See also

References

  1. ↑ 1.0 1.1 "cadaudio.com". CAD Professional Microphones. http://cadaudio.com/about/cad-audio. Retrieved 9 May 2018. 
  2. ↑ 2.0 2.1 "CAD, Astatic Re-Brand As CAD Audio". Mix Magazine. https://www.mixonline.com/technology/cad-astatic-re-brand-cad-audio-378559. Retrieved 9 May 2018. 
  3. ↑ 3.0 3.1 Hocker, Lindsay. "Barjan brands, inventory sold to DAS Inc.". Lee Enterprises. http://qconline.com/business/barjan-brands-inventory-sold-to-das-inc/article_3c0d3f32-bd08-56a6-a032-79ca363ed75e.html. Retrieved 4 May 2018. 
  4. ↑ 4.0 4.1 "ASTATIC: An Idea that grew into an Industry". Astatic Commercial Audio Products. Archived from the original on May 11, 2009. https://web.archive.org/web/20090511110230/http://www.astaticinstalled.com/about.php. Retrieved 4 May 2018. 
  5. ↑ "Barjan Products Buys Equipment Manufacturer. May 25, 2006". Modern Distribution Management. https://www.mdm.com/articles/3151-Barjan-Products-Buys-Equipment-Manufacturer-?v=preview. Retrieved 9 May 2018. 
  6. ↑ 6.0 6.1 DAVID BARRETT (7 September 2016). Harmonica Essentials. Mel Bay Publications. pp. 58–. ISBN 978-1-61911-688-7. https://books.google.com/books?id=jRoxDwAAQBAJ&pg=PA58&dq=astatic+jt30&hl=en&sa=X&ved=0ahUKEwj58ZDJvOzWAhXCNSYKHTuSDeIQ6AEIJjAA#v=onepage&q=astatic%20jt30&f=false. 
  7. ↑ Winslow Yerxa (10 January 2013). Harmonica For Dummies. John Wiley & Sons. pp. 336–. ISBN 978-0-470-44597-6. https://books.google.com/books?id=qc4MNo3EHlcC&pg=PT336. 
  8. ↑ Gérard Herzhaft; David Herzhaft (8 October 2008). Le livre de l'harmonica. Fayard. pp. 58–. ISBN 978-2-213-64591-9. https://books.google.com/books?id=_EOQBgAAQBAJ&pg=PT58. 
  9. ↑ Rogers, Henry. "Vintage Radio Broadcast and Communications Microphones". Western Historic Radio Museum. http://www.radioblvd.com/BCMICS.htm. Retrieved 4 May 2018. 
  10. ↑ Howes, Bruce James. "Vintage AM Radio at Dayton". American Radio Relay League. Archived from the original on June 30, 2007. https://web.archive.org/web/20070630230011/http://www.arrl.org/news/features/2001/03/08/1/?nc=1. Retrieved 4 May 2018. 

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