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What does it mean to "tune" the Etherwave?

Modified on Wed, 5 Jul, 2023 at 10:29 AM

Tuning each antenna is an important part of being able to perform on your Etherwave Theremin with precision, and being able to achieve the highest order of control. Please note that all theremins are sensitive to their immediate surroundings, and these tuning steps should be performed every time you turn the unit on and get ready to play.

As you and your Etherwave Theremin become more acquainted, performing these tuning steps will become second nature to your theremin experience.

 

TUNING THE VOLUME ANTENNA


Begin with the VOLUME RANGE knob in the midpoint (12 o’clock) position and your volume hand floating just above the Volume Antenna so that no sound is heard. Move your volume hand up and down at varied speeds and notice the way your Etherwave Theremin responds with changes in volume. Using your pitch hand, turn the VOLUME RANGE knob counterclockwise to introduce slower, smoother dynamics and clockwise to experience faster dynamics approaching a staccato style.


Once you have found the setting that best suits your personal playing style and the music being performed, move your hand away from the Volume Antenna and adjust your sound system so that this note is playing at the loudest level you want to reach.


TUNING THE PITCH ANTENNA


As with the Volume Antenna, begin with the PITCH RANGE knob in the midpoint (12 o’clock) position. Without touching the Pitch Antenna, rotate the PITCH RANGE knob fully counterclockwise. A high-pitched note will begin to emerge. Rotate the PITCH RANGE knob very slowly in the clockwise direction. As you do, you will hear the note drop in pitch.


When the pitch reaches about an octave below Middle C, step back from your Etherwave Theremin. The pitch will continue to decrease until the tone stops completely (null point). This null point is called “zero-beat” because it corresponds to zero vibrations per second or 0 Hz. With your right shoulder about 24” (60cm) from the Pitch Antenna and your arm and hand flat at your side, carefully adjust the PITCH RANGE knob so that the pitch of the note is more than two octaves below Middle C. Now your antenna settings are optimized for performance.


TIP: An electronic tuner can be useful for this operation. Two octaves below Middle C is the lowest note on a cello, and about a Major Third below the lowest note on a six-string guitar.

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