| Notes | The Vanguard is a completely self-contained electronic musical instrument. The tone is generated by purely electronic means, without the use of motors, strings, or other mechanically moving parts. A specially designed vacuum tube oscillator circuit, whose operation is sensitive to movements of the player's hand, generates an electric wave. When this wave leaves the oscillator, it passes through another circuit which adds the correct degree of overtones to give a pleasing and musical quality to the tone...
Still another circuit enables the loudness of the tone to be controlled by the player's hand. After leaving this circuit, the tone is amplified, and converted into sound waves by a loudspeaker.
All components of the Vanguard, including the loudspeaker, are housed in a handsome, hand-rubbed solid mahogany cabinet. The tuning adjustments are conveniently located in front of the player as he faces the instrument.
The pitch range covers three and one-half octaves, extending from an octave below Middle C to two and one-half octaves above Middle C... |
