Carl Martin Tuner


Carl Martin Tuner
Street price $106.75 Buy on Amazon  Search on Reverb
Key specs
Detection Accuracy Sweep
Our test: ±3.28 centsCOMPARE
Flat: ±4.21 cents | Sharp: ±2.35 cents
Manufacturer's specs: ±1.0 cents
Our test: Miscalibrated an average of 2.27 centsCOMPARE
Manufacturer's specs: ±1.0 cents
Detection Range 27.50-4186.01 Hz (A0-C8) COMPARE
Calibration range 437-443 Hz (In 1-Hertz steps) COMPARE
Responsiveness Not tested COMPARE
Instrument tuning modes "Fixed note" tuning for notes A#, B, C#, C, D, D#, E, F, F#, G, G#
Transposition options No
Programmable No
Memory? Yes
Polyphonic? No
Display type 2-color LED
Display resolution 18 segments in circular configuration
Optional meter modes? Yes: Stream or Sweep
Bypass mode True
Volume/Boost? No
Mute? Yes (optional with separate footswitch)
Power source 9V battery or 9V AC adapter
Battery life 1.5-2 hours
Auto-off/Power save? No
Battery indicator? No
DC out? No
Power consumption 80 mA max
Enclosure Die-cast aluminum
Dimensions 120 x 95 x 56 mm (4.72 x 3.74x 2.2 in)
Weight 420 g (15.04 oz)
Fine print
Warranty 1 year
Release date 2010
Made in China
Included extras --
Recommended accessories Truetone 1 Spot 9V Adapter ( at Amazon) or Boss PSA120 9V Adapter ($26.99)
Notes --
  Corrections? Suggestions? Please contact us.

  High quality build and materials   ‘Sweep’ and ‘Strobe’ display modes   Clear user interface   Large, bright display   True bypass   Very good documentation
  Large   Limited features   Rather pricey


About the Manufacturer

East Sound Research (which designs and makes Carl Martin products) was founded in 1990 as a professional PA sound rental company. The company introduced its first guitar effect pedal, The Hot Drive’n Boost, in 1993. It currently offers more than 40 guitar effect pedals.

Contact page

East Sound Research, Raadmandsvej 24 8500, Grenaa, Denmark

Denmark: +45 86 32 5100

US: +1 973-772-3333
US toll-free: +1-800-888-1899

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