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17 Cards in this Set
- Front
- Back
If tubing length is increased
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The primary resonant peak will shift downward and the output will increase in the lower frequencies and decrease in the mid and high frequencies. Also the amplitude of the 2nd & 3rd peaks will be reduced
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If tubing length is decreased
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The primary and secondary peaks will shift upward in frequency. Also the output will decrease in the low frequencies and increase in the mid and high frequencies
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Using tubing with a wider internal diameter will
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Increase the gain between 1000 and 2000 Hz and decrease the gain in the lower frequencies
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Using tubing with a narrower internal diameter will
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Increase in the lower frequencies and decrease the gain in the higher frequencies
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Skeleton Molds are the most popular earmold available, and provide maximum comfort and retention. This mold is appropriate for fitting what degrees of loss
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Mild to severe hearing losses.
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Canal lock molds are a discreet option when choosing an earmold. They are appropriate for what degrees of loss
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Mild or moderate hearing losses
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Shell Molds are exceptionally sturdy and lightweight and are recommended for fitting what degrees of loss
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Moderate and severe hearing losses.
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Half Shell Molds offer a comfortable and lightweight fit and are suited for what degrees of loss
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Mild or moderate hearing losses.
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Acoustic modifier molds are suited for what degrees of loss
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Mild high-frequency loss
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CROS molds are suited for what degree of loss
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High frequency losses
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Semi-skeleton earmolds are skeleton earmolds without the back ring, these mold work best for people with limited dexterity. They are suited for what degrees of loss
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Mild to severe loss
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What characteristic of earmold tubing affects acoustic performance
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Only the inside diameter affects acoustic performance
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Semi-skeleton and Skeleton earmolds are good for what losses
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Mild to severe
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Shell earmolds are good for what losses
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Moderate to severe
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CROS earmolds are good for what hearing loss
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High frequency
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Canal-lock and Half shell earmolds are good for what losses
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Mild to moderate
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Acoustic modifier earmolds are good for what hearing loss
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Mild high frequency
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