Sonic Research ST-300 Mini Strobe Turbo Tuner
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True Strobe Display
Easy to read display instantly shows the slightest difference in pitch of the note played from the indicated note. The ring of LEDs is a true stroboscope, driven directly by the analog input signal and a precision internal frequency reference. This gives zero latency and instantly shows the slightest tuning error.
True Bypass / Muted Output
The output of the ST-300 is muted when the tuner is on, and when off the input signal is passed directly to the output. It is completely disconnected from all internal circuitry and the tuner puts zero load on the signal.
The internal timing generator is calibrated at the factory to maintain a precision of ±.02 cents.
Permits tuning to any of the 12 notes from C0 to C8, in any temperament.
Open Tuning Modes
Tunes to preset or user defined tunings. In this mode the tuner only recognizes notes that are defined for the specified tuning. The tuner comes with a number of pre-defined tunings for stringed instruments. These can be edited by the user.
Power On Restore
The ST-300 remembers the settings for mode, drop tuning and A4 changes. No battery is necessary.
Lowers all pitches up to six semitones.
Reference Pitch Change
By default, the tuner uses A4=440Hz as the reference pitch. This can be changed in increments of .1Hz, over the range of 300.0 Hz to 599.9 Hz.
The ST-300 can operate in the equal temperament or any 12 note temperament the user desires. The ST-300 can store a total of 5 different temperaments, in addition to the equal temperament.
External 9 Volt Operation
The Turbo Tuner ST-300 Mini operates from an external 9 Volt adaptor. Any 9 Volt adapter designed for stomp boxes will work fine.
3.73" (9.5cm) x 1.59" (4.0cm) x 1.18" (3.0cm) HxWxD
154 g / 5.4 oz
True bypass, muted output. Zero load on signal when tuner is off. Output muted when tuner is on.
C0 (16.35 Hz) to C8 (4,186.0 Hz)
+/- .02 Cents (calibrated crystal oscillator)
A4 = 300.0 Hz to 599.9 Hz in .1 Hz increments.
Input, Output (1/4") and external 9 VDC
External 9 Volt DC adapter (not included).
48 mA typ.
All New products are covered by the manufacturers new warranty. Please check their website for the length of warranty and warranty conditions.
If an item you receive is faulty get in touch with us ASAP.
Second Hand products come with a 4 week warranty from us. If there is an issue let us know ASAP!
This covers normal use and does not cover accidental damage, misuse, wrong power plugged into it, modding, water damage or any other damage caused by mistreatment.
Just treat it nice and all will be good!
We send A LOT of packages every week so don't worry about the shipping side of things!
We've never lost a thing and your awesome new gear will be packed up really well to avoid any damage in transit.
If your order comes in before 2pm we will ship it same day. Most of the time we pack things up all the way to 4pm so just call if you need it to leave same day after 2pm.
We ship mainly with Australia Post but may use a courier depending on location and size of the package.
Free Post ships with Australia Post standard and expected shipping times are between 4-6 business days depending on location. It will be longer to outside of metro and rural areas.
Express Post will usually be with you next business day in metro areas of QLD, NSW, SA, VIC and TAS. WA will take 2 days to metro and extra days after that to out side metro and rural areas.
Everything we ship has a tracking number with the exception of some power cables and smaller envelope packages. You will be emailed tracking once your order has been shipped!
"LOVE IT Or Exchange It Within 14 Days"!
The item MUST BE sent back in the same condition it arrived in and have all the materials it arrived with (manual,warranty card,all accessories) and be packaged in the original box.
Items returned in undesired condition (scratched,chipped, etc) will be subject to a restocking charge of up to 30%. Modded items will not be refunded!
Postage must be paid by the purchaser to get the item returned to us and we will exchange at our discretion the amount of the products but not the postage costs.
Items must arrive here within 14 days of your order being placed.
Some items cannot be returned like Pedalboards you have already put velcro on, strings, pedalboard tape, Cables and DIY cable kits.
Please don't use the Manufacturers box as the packing box or you will automatically be charged a 30% restocking fee!
Email us BEFORE returning your items so we can resolve or sort out any problems you may have and just so we know to expect the item. You may also want to insure or register your item as we don't take responsibility for lost or damaged post.