Peterson 490 Auto Strobe Tuner
Peterson 490 Auto Strobe Tuners
Automatic note selection, automatic image clarifier, automatic contrast control, automatic A=440 calibration, key selections: C, Bb, F & Eb, large visual readout, built-in microphone, temperament guaranteed to be within 1/10 of a cent. Size: 13.4" x 3.5" x 6.38"
Same as the 490 with rack mounts and jacks on the front & back panels.
Same as 490 with stretch tuning capabilities, preset stretch tables, octave increment & decrement buttons.