Peterson AutoStrobe 490ST Piano Stretch Tuner

Capable of handling “stretched” interval tuning, this is the instrument technician’s most valuable tool. The Peterson AutoStrobe 490ST offers a vast array of selectable “stretched” tuning options, including pianos of all types. Enjoy the instantaneous response times that only a Peterson can deliver and the relative tuning display of any audio source to 0.1 of a cent (1/1000 of a semitone) accuracy!

With the Model 490-ST, students, technicians, and musicians of all levels can utilize automatic (hands-free) note selection for absolutely the most accurate tuning of any instrument. Key features including real-time display of intonation to improve performance and listening skills while playing as well as mutable throughputs for in-line (yet silent) tuning during performances round out the package!

FEATURES

• Wide Selection Of Pre-Programmed Stretch Files – Tables With Optimized Tunings For All Piano Types And Sizes. 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.
• Enhanced Clarity For Upper And Lower Register Notes – +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.
• External Input And Through Output With Mute – For In-Line, Silent Tuning During Performances.

SPECIFICATIONS

 

Power Supply: Built-In (IEC)

 

Stretch Tuning Tables: 9 Preset Stretches

 

Note Range: C1 to B8

 

Note Selection: Automatic Or Manual

 

Foot Pedal Control: +/- Octave, Note Increment

 

Peterson Connect Compatible: No

 

Form Factor: Desktop/Bench

 

Accuracy: 0.1 Cents

 

Display Type: Single Analog Strobe Disc

 

Display Resolution: Infinite (Analog)

 

Construction: Metal Casing

 

Product Dimensions LxWxH: 13.4″ x 6.375″ x 3.5″

 

Product Weight: 7lbs. (3.18kg)

 

USB Port: No

 

Power: AC 100V to 240V

 

Built-In Microphone: Yes

 

Built-In Speaker: No

 

Metronome: No

 

Inputs: 1/4″ Jack

 

Outputs: 1/4″ Thru

 

Mute-able Output: Footswitch Controlled

 

Tone Generator: No

 

Concert A Range: 350Hz to 550Hz

 

Global Cent Offset Range: +/- 50 Cents

 

Transposition Range: Keys of C, Bb, F, Eb

 

Frequency Response Range: 32.70Hz to 7902.13Hz

 

Warranty: 1 Year

 

User Presets: 255 User Presets

 

Historic Temperaments: Yes