Korg
Korg TM70TBK Tuner Metronome Combo Black
★★★★★
Precision tuning to ±0.1 cents and a full-featured metronome in one pocket-sized practice essential.
$38.99*
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Overview
Key Features
Ultra-high tuning accuracy with a precision of ±0.1 cents for reliable tuning
Features an improved display with better visibility and compact size
New transpose function allows switching between F, B♭, and E♭ in addition to chromatic
Enhanced sound quality for the metronome and Sound Out mode for clearer sound
Wide tempo range from 30 to 252 beats per minute with improved audio quality
Adjustable calibration to match various concert pitches for versatile use
Transpose mode allows tuning to different orchestral reference pitches
Sound Out mode provides an audible tuning reference for ear training
Ideal for musicians of all skill levels, including band and orchestra players
Compact and portable design, small enough to fit in a pocket for easy transport
Specifications
Model
TM70
Tuning Accuracy
±0.1 cents
Detection Range
C1 (30.47Hz) – C8 (4566.56Hz)
Calibration Range
A4 = 410Hz – 480Hz (1Hz steps)
Tuning Modes
Meter, Sound Out, Sound-Back, Transpose (Chromatic, F, B♭, E♭)
Tempo Range
30 – 252 BPM
Time Signatures
0–9 beats; duples, triplets, quadruplets
Tempo Settings
Pendulum step, full step, tap tempo
Speaker
23mm dynamic
Input
3.5mm monaural mini-phone jack
Headphone Output
3.5mm stereo mini-phone jack
Power
Two AAA batteries (3V)
Battery Life (Tuner)
Approx. 250 hours (backlight off, alkaline)
Battery Life (Metronome)
Approx. 200 hours (backlight off, alkaline)
Dimensions
107 × 72 × 18mm
Weight
79g (without batteries)
Pros & Cons
👍 Pros
- Ultra-precise ±0.1 cent tuning accuracy ensures reliable intonation for demanding players
- Transpose function with F, B♭, and E♭ modes makes it immediately useful for transposing band instruments
- Exceptional battery life of up to 250 hours in tuner mode minimizes mid-practice interruptions
- Compact 79g design fits easily in a pocket or instrument case
- Wide calibration range from 410Hz to 480Hz accommodates different ensemble tuning standards
👎 Cons
- Small built-in speaker may be difficult to hear in noisy rehearsal environments
- Requires a separate contact microphone or clip-on tuner pickup for accurate tuning in loud settings
- No rechargeable battery option—relies on disposable AAA batteries
- Display, while improved, is not backlit enough for very dark stage environments on lower settings
Frequently Asked Questions
What instruments can the Korg TM70 tune?
With a detection range from C1 to C8 and chromatic tuning plus F, B♭, and E♭ transpose modes, it can tune virtually any band or orchestra instrument as well as guitar, bass, and other stringed instruments.
How long do the batteries last in the TM70?
Battery life varies by function: up to approximately 250 hours in tuner mode and 200 hours in metronome mode with the backlight off, using alkaline AAA batteries.
What is the Sound Out mode used for?
Sound Out mode plays a reference pitch through the speaker, allowing you to tune by ear rather than relying solely on the visual meter—useful for developing pitch recognition skills.
Can I adjust the reference pitch on this tuner?
Yes, the calibration range is adjustable from A4 = 410Hz to 480Hz in 1Hz increments, accommodating various concert pitch standards.
What tempo range does the metronome cover?
The metronome covers 30 to 252 beats per minute with time signatures from 0 to 9 beats, including duple, triplet, and quadruplet subdivisions.
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