The Sonic Research ST-300 Mini Stomp Box Strobe Tuner Pedal is designed to respond quickly to the notes from your guitar without resorting to adjusting the volume or plucking the string differently than you normally would when playing. True Strobe DisplayEasy 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. Extreme Accuracy The internal timing generator is calibrated at the factory to maintain a precision of Â±.02 cents. Chromatic Mode 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. Flat Tuning 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. Temperaments 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 OperationThe Turbo Tuner ST-300 Mini operates from an external 9 Volt adaptor. Any 9 Volt adapter designed for stomp boxes will work fine.
We accept all major credit cards (orders must ship to the billing address of the cardholder or authorized ship-to address for their account), PayPal (shipped to a PayPal confirmed delivery address), Financing through Blispay, Wire Transfer in advance in US Funds, or COD (Cashier's Check only).
We ship most any order placed before 3pm CDT Tuesday through Friday the same day. Orders placed Saturday-Monday will ship the following Tuesday. For new products we will only ship to delivery addresses within the United States. Most pedals are shipped via Priority Mail. Guitars and Amplifiers are shipped via UPS Ground. Other shipping methods are available. Please contact prior to placing your order for shipping cost quotations to your delivery address.
The Guitar Sanctuary does accept returned items as long as arrangements are made for such within 48 hours of purchase/receipt. Returned items MUST be in the original condition and packing (including owner’s manual, un-used warranty card, any other items that came with the item) in order to qualify for a refund. No refunds are available for “special” ordered guitars or amplifiers (items that were not in stock, but rather ordered per the customers request. The customer is responsible for all freight charges and credit card processing fees incurred in the course of the sale. We cannot refund freight charges. The Guitar Sanctuary will charge a 20% restocking fee for returned effects pedals and amplifiers and a 10% restocking fee for Guitars. The only exceptions are for products that are defective. Please only purchase an item after you are certain it is right for you! Layaway: You can lay-a-way any product for a maximum of three months. Lay-a-way requires a 25% non-refundable deposit. We will not be able to ship the item until it is paid for in full and as a lay-a-way purchase, does not qualify for the 48 hour approval policy. International Sales: We can ship most guitars and other products internationally. We prefer money orders, cashier’s checks, or bank wire transfers in U.S. dollars. Shipping quotes are only valid for 48 hours. Please consult with your local officials about taxes, duties, currency exchange rates, etc.