Be sure to go to the
warrantee online page,
and get your name in the system after you
purchase a tuner. Link Below
= Automatic Note Selection- The tuner knows what note you are playing
= +2/-1 Shifted octave display On the very high treble and low bass, the tuner shifts to display the strobe
pattern an octave lower or higher. This helps you see the pattern drift easier.
= Tuning range-- 8 octaves-- C 32.703 Hz to B 7902.128 Hz
= Regulated by a Quartz-stable tuning reference
= Accuracy of 1/10 cent, or 1/1000 semitone
= AUTOMATIC IMAGE CLARITY AND CONTRAST CONTROL -
internal compensation for optimal viewing over a wide range of source pitch and volume.
= Digital Pitch Offset Control- You can set the tuning higher or lower than standard pitch
= Adjustable "Concert Pitch" reference- You can set "A" anywhere from A-350 to A-550
= Present and Custom Temperaments- There are 8 to choose from
= You can set up 31 custom temperaments and stretches-
Once you or your customer like a temperament on a particular piano, you can store it for future use.
= Built in mic-- Accepts an external mic also
= EASY TRANSPOSITION for non-piano tuning needs-
strobe patterns appear at the correct note for Bb, F, and Eb instruments.
= Eight Stretch Tables-- These are determined by the size of the piano you are tuning
= Foot control option for changing note and octave manually.
= EXTERNAL INPUT AND THROUGH OUTPUT WITH MUTE - for in-line, silent tuning during performances.
= An LCD screen displays all functions available and shows the modes you are using.
= Selectable Electrical AC sources- 95-105 VAC; 210-230 VAC; 230-250 VAC; 50 or 60 cycles.
= Size-- 13.4 by 3.5 by 6.35 inches (34.04 by 8.57 by 16.19 cm) - 8 lbs - shipping weight- 10 lbs
= Guarantee- One year parts and labor
= Rack mount version available
= Specifications subject to change as Peterson may make product improvements
Note and Octave Increment Single footswitch-- See graphic --->
Controls the tuning rather than allowing auto response $ 42.00
Clip-on external mic- Korg CM-100
Allows tuning in noisy room, and gets maximum results $ 25.00
Carrying Case- Made by Peterson for the tuner-- See Graphic --->
Double sipped top with compartment for accessories $ 40.00
Shipping, as usual, is actual cost drop shipped from our supplier to you.
INSTRUCTION MANUAL FOR THE PETERSON AUTO-STROBE 490-ST
You must have Adobe Acrobat to read this manual.
SHORTER USER GUIDE FOR THE 490-ST
WARRANTEE REPAIRS INSTRUCTIONS
EXCEPTIONAL FORUM ON ALL PETERSON PRODUCTS
FAQ PAGE AT PETERSON SITE
ACCURACY OF A STROBE TUNER
AUDIO ILLUSTRATION OF TUNING RESULTS WITH A STROBE TUNER
ORDER BY PHONE WITH CREDIT CARD
CALL TOLL FREE: (800) 338-8863
If there is no answer, please leave a message- we do answer our voicemail
Go to Mail Order Form for printing:
Online help available
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