Peterson is "in tune" with your needs as a professional piano technician. A Peterson tuner will make your work easier, while helping you to consistently provide precise tunings for your customers!
The AutoStrobe 490-ST has auto note selection, +2/-1 shifted octave display, an 8 octave visual range, a built-in microphone, accuracy to 1/1000 of a semitone, digital picth offset control, preset and custom temperaments, adjustable "Concert A" pitch reference in 1 Hz increments, an LCD screen for easy use and also includes stretch (curve) tuning capabilities. With the stretch tuning feature, you can store offsets of the 122 chromatic pitches in 1/10 cent increments for each of eight octaves. There are also preset stretch tables to choose from that you can copy and edit to your own liking. The tuner has enough memory to create and store up to 31 custom stretch tables in addition to the preset tables.
Preset Temperaments in the Peterson AutoStrobe 490-ST
Equal
Pythagorean
Just Intonation-Major
Just Intonation-Minor
Quarter Comma Mean-Tone
Werchmeister III
Kirnberger III
Young
Kellner
Power 5ths
Carrying case included.
Optional Accessories Octave Increment/Decrement Dual Footswitch ($29.00)
Note & Octave Increment Single Footswitch ($27.00)
External Microphone ($32.00)
