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TECHNOLOGICAL INNOVATION
1944
The beginning of audio volume controller manufacturing

-Start of TKD's attenuator and volume controller-



The manufacturing start of the rotary type attenuator ( B and C type etc. )complying to the BTS standard of Japan Broadcasting Corp./NHK.
1960
The beginning of TKD's SA series volume controller manufacturing

-From the rotation type, to the vertical line type -



From the rotation type, to the vertical line type attenuator, and to the fader development.
1979
The development of conductive plastic

-The birth of TKD's original fader- 



The manufacturing start of CP, CPA series
1992
The development of motor fader

-The automation fader-



The manufacturing start of AF, MF series
2000
The development of fader for the DJ mixer

-The new market of fader-



The manufacturing start of DJ fader.