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History of the manufacturer  

Ortofon; Lolland

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Name: Ortofon; Lolland    (DK)  
Abbreviation: ortofon
Products: Model types

Ortofon; Lolland.

Ortofon is a Danish manufacturer of electronic audio equipment. It is the world's largest producer of magnetic cartridges for phonograph turntables, with 500,000 cartridges sold annually.

The company was founded by engineers Arnold Poulsen and Axel Petersen in 1918. Initially focusing on sound film technology, Ortofon began to diversify into gramophone record playback and cutting equipment towards the end of World War II. The firm pioneered the use of moving coil technology in phonograph equipment; the first cutting head based on this technology was introduced in 1945.
Ortofon's first moving coil magnetic cartridge, the AB model, was launched in 1948, and similar variations of that product are still manufactured today due to demand from enthusiasts.
Source: (Text under Creative Commons Attribution-ShareAlike License)

This manufacturer was suggested by Alessandro De Poi.

Some models:
Country Year Name 1st Tube Notes
DK  72 AS212   Ortofon AS212 turntable arm. 
DK  60–65 Stereo Amplifier KS601 EF86   
DK  77 Moving Coil Amplifier MCA-76   Der Frequenzgang  beträgt 20 Hz bis 50 kHz (-0,5db) linear und 20 Hz bis 50 k... 
DK  66 Moving-Coil Stereo Pickup Cartridge S15TE   Ortofon Moving-Coil Stereo Pickup Cartridge Model S15TE. Elliptical Stylus - diamond ... 
DK  77 Transformer for Moving Coil Cartridge STM-72   Das Gerät ist ein Übertrager. Es dient dazu, Moving-Coil(MC)-Systeme an Verstärker anzu... 
DK  70 Concorde LM10   Materiale: diamond stykus (.3 x .7 mil elliptical) Tracking force: 1,5 gr speed... 
DK  70 Pick-up Cartridge N15   Diamond stylus .3 X .7 mil elliptical tip needle 16 or 33 or 45rpm (not for 78rpm)... 
DK  70 Pick-up Cartridge VMS5E mkII   Output voltage at 1000 Hz, 5cm/sec.: 6 mv Frequency response: 20-20Khz Stylus t... 
DK  75 Moving-Magnet Cartridge F 15 O   stereo moving magnet phono cartridge - output: 1.0 mV - impedance: 800 Ω - tracking angle:... 


Further details for this manufacturer by the members (rmfiorg):