Analog Devices
USA based manufacturer of analogue, mixed signal and digital semiconductor products, especially strong in high end analogue and DSP products but also make micro-controllers and the like.

Originally founded in 1965 to manufacture miniature op-amp's for use in test equipment and measurement devices and branched into the manufacture of microelectronics in 1970 when it became clear that they would in the future no be able to compete with manufacturers that used integrated circuit technologies. ADI had by the 1990's become something of a technological leader in the world of analogue and mixed signal IC's but has increasingly been moving into the field of digital electronics specially DSP and similar products.

The company bought Pastoriza Electronics in 1969 and with it got hold of a number of pioneering A/DC and DAC technologies which really put ADI on the map since a number of them turned out to be patentable giving the company a head start over their future competitors, in 1971 they bought Nova Devices which became the company's semiconductor division, but the company's CEO had participated in the founding of Nova just 2 years earlier and ADI had sold Nova products under their own name. The integration of the technologies from those 2 companies is really the foundation what ADI became, but the miniaturisation of converters into IC's remained much more profitable that that of op-amps that soon became a commodity item.
Homepage: http://www.analog.com
Analog Devices, Inc., 3 Technology Way, Norwood, MA 02062, USA.
Analog Devices GmbH, Wilhelm-Wagenfeld-Strasse 6, 80807 Munich, Germany.
Analog Devices BV, Raheen Industrial Estate, Limerick, Ireland.
Analog Devices KK, New Pier Takeshiba, South Tower Building, 1-16-1 Kaigan, Minato-ku, Tokyo 105-6891, Japan.
Analog Devices, Shanghai, 22/F One Corporate Ave, 222 Hu Bin Rd., Shanghai, China.

Anatek Corp.
Manufactures replacement dial covers for old radios and suchlike.
Homepage: http://www.anatekcorp.com
AnaTek Corp., P. O. Box 1200, Amherst, NH 03031-1200, USA.
Fax : +603 314 0350. E-Mail : john at anatek.mv.com.

Apogee Electronics
Although primarily a manufacturer of end user products they also provide ADC and DAC chips and conversion systems to OEM's and other manufacturers.

Arnold Magnetic Technologies
USA based manufacturer of permanent magnets and magnetic cores etc. with manufacturing in NA, Europe and China.
Homepage: http://www.arnoldmagnetics.com

ASC Capacitors See --> American ShiZuki Corp.

Astrotech Advanced Elastomerproducts GmbH
Austrian company that manufactures products made out of Polynorbornene rubber and sells them under the Norsorex brand, these are popular in audio products as vibration isolators and woofer surrounds in high end loudspeakers..
Homepage: http://www.astrotech.at
Astrotech Advanced Elastomerproducts GmbH, Perfektastrasse 86, A-1230 Vienna, Austria.
Tel: +43 1 8690760 0. Fax: +43 1 8690760 10. E-Mail: office )at( astrotech.at.

ATE (Loudspeaker cones) See --> Norman Gerkinsmeyer

Athom (Loudspeaker drivers & accessories) See --> Welcohm Technology

Audax
French manufacturer of speaker components, has a really good section on DIY loudspeaker building on their homepage. In the 70's and 80's their products were sold in the USA under the Polydax name due to another company there owning the trademark at the time.
Homepage: http://www.audax.com
Distributed in Canada by Solen Électronique Distribution.

Audio Pixels
A nominally Australian company but actually operates out of Israel, has developed a microelectromechanical (MEMS) loudspeaker technology and has been promising for a few years to put them into manufacture. MEMS simply means that they are alectro/mechanical devices on a soldid state electronic scale and manufactured in a similar manner.
Homepage: http://www.audiopixels.com.au
Audio Pixels Limited, 3 Pekris Street, Rehovot, IL-76702, Israel
Audio Pixels, Suite 2, Level 12, 75 Elizabeth Street, Sydney NSW 2000, Australia.
Tel: +61 2 9233 3915. Fax: +61 2 9232 3411. E-Mail: iadennis (at) bigpond.net.au.

Audio Technology
Danish manufacturer of loudspeaker drivers run by Ejvind Skaaning, ex Scan-Speak and Dynaudio head honcho, company formerly known as Skaaning Loudspeakers.
Distribution: In Canada by Solen Électronique Distribution, in Greece by MF Audio and in Spain by Audiohum.
Homepage: http://www.audiotechnology.dk .
Audiotechnology ApS, Industrivej 3, Stilling, 8660 Skanderborg, Denmark.
Tel: +4586 571522. Fax: +4568 571523. E-Mail: mail at audiotechnology.dk

Averlogic Technology
Taiwanese manufacturer of video related silicon, that includes MPEG encoding ships and other AV related products.
Homepage: http://www.averlogic.com
AverLogic Technologies, 7F-2, No.2, Lane 258, Rui Guang Rd., Taipei, Taiwan.
Tel?+886 2 8752 3988. Fax?+886 2 8752 3989..

Avnera
USA based company that makes wireless audio chips, these are really SoC's designed specifically for wireless audio applications and in addition to mono and 2 channel operation support up to 8 channel audio for 7.1 surround sound.
Homepage: http://www.avnera.com
Avnera Corporation, 16505 NW Bethany Ct. Suite 100, Beaverton, OR 97006, USA..

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