VARIOUS CUTTER NEEDLES AND STYLI
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Examples of cutting needles |

More examples of cutting needles |
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A cutting needle, magnified |
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Relation of cutting stylus to playing needle |
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There are three types
of cutting needles:
STEEL
The two limitations of steel cutters are shorter life and higher surface noise.
The life of a steel cutting needle is approximately 15 to 30 minutes of
recording time.
STELLITE
These are a more professional type of cutting needle, capable of cutting
shinier, quieter grooves than the steel needle. Their recording life is upward
of 2 hours at 78 RPM.
SAPPHIRE
These will cut silent grooves in a professional manner. These will record upward
of 7 hours at 78 RPM.
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