So fast you can check your intonation while playing.
- Fast as light
Accurate to 1/1000 of a semitone
Automatic note selection
Tables with optimized tunings for all piano types
31 programmable files
Strobe patterns appear at the correct note for Bb, F, and Eb instruments
Through output with mute
Peterson 490-ST AutoStrobe Tuner with Stretch Tuning
The Peterson 490ST AutoStrobe Tuner with Stretch Tuning allows automatic (handsfree) note selection for fast, accurate tuning of instruments for students, technicians, and musicians at all levels. This feature also permits realtime display of intonation to improve performance and listening skills while playing. Includes stretch tuning capabilities for enhanced tuning of stringed or percussive instruments such as the piano, bass, guitar, marimba, steel pan, and others. Only Peterson strobe tuners respond at the speed of light to display relative tuning of any audio source to 0.1 of a cent (1/1000 of a semitone) accuracy.
Wide selection of preprogrammed stretch files
Tables with optimized tunings for all piano types and sizes takes the drudgery out of piano tuning. Up to 31 additional files may be programmed by the user.
Automatic note selection, automatic image clarity, and contrast control
Internal compensation for optimal viewing over a wide range of source pitch and volume.
Improved clarity for upper and lower register notes
The +2/-1 display feature shifts the strobe patterns into more visible middle ranges. Bass note patterns can be displayed two octaves higher and treble note patterns can be displayed one octave lower in strobe display.
Strobe patterns appear at the correct note for Bb, F, and Eb instruments.
External input and through output with mute
For inline, silent tuning during performances.
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