Engineering:Doric Organ

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Doric Combo Organ

The Doric Transistorized Organ is a model of combo organ produced in Italy in the 1960s.[1]

History

Doric organs were also sold under the brand name Ekosonic and were marketed as being the "lightest on the market" at 30 pounds (14 kg).[2][3] Much like early Farfisa combo organs, Doric organs featured a monophonic bass section and a polyphonic lead which emulated other instruments by using transistor oscillators and a frequency divider section. The Doric never achieved the same fame as Farfisa and Vox organs, perhaps due to limited distribution and a lower price point.

Features

The Doric 61TT featured controls activating

The control for stops operates like a pipe organ, in a push-pull manner, activating 4', 8', and 16' stops.

Power Plug

Although the Doric organs sold in the United States operated on standard 120 V power, the cable connecting the unit to a wall was unique, and, as a result, many organs are sold without plugs and users are forced to either replace the jack with an IEC standard, fashion a plug from appliance cords, or buy expensive vintage cables. The power supply that the jack connects to converts household current to 9 V DC.

Operation

Inside the Doric is a line of circuits labeled with the syllables of solfege, each generating a given tone in a scale. At the far left is a single circuit for the bass notes which shares a circuit board with the solid-state vibrato mechanism. As with many organs of the same vintage, Doric organs often have problems with electrolytic capacitors which overflow or burn out over time.

References

Citations

Sources

  • Lenhoff, Alan; Robertson, David (2019). Classic Keys: Keyboard sounds that launched rock music. University of North Texas Press. ISBN 978-1-57441-776-0. 
  • Vail, Mark; Carson, Barry (2000). Vintage Synthesizers. Backbeat Books. ISBN 978-0-879-30603-8. 

External links