The Vox V301J "English" Continental Organ - "Under the Hood"
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Here is an "under the hood" view of a Vox TC or V301J Continental organ, serial #3742. Once the orange lid is removed, the six electronic subsystems that make up the organ are easily recognized.
The ~9 VDC power supply is enclosed in a steel case and located in the upper right side of the photo. The vibrato circuitry is also located inside of the power supply case. Twelve tone generator boards, one for each note in the musical scale, were mounted side by side across the front of the organ. A large bundle of distribution wires connected the tone generator boards to both the power supply and to a set of four contacts under each key of the organ. Hammond style drawbars adjusted the sound of the organ. A preamp boosted the audio signal for use with an external amplifier.
The circuits for each of these subsystems will be described in detail in subsequent web pages. |
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Photos and editorial content courtesy Gary Hahlbeck, North Coast Music
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URL: http://www.voxshowroom.com/uk/organ/V301J_hood.html
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