Just Intonation vs Equal Temperament
The Harmonica’s Hidden Secret
First off, let’s address the elephant in the room: tuning. It might seem like a geeky detail, but tuning is the soul of your harmonica’s sound. It determines whether your music feels like a warm hug or a slightly off-kilter handshake.
Just Intonation: The Smooth Operator
Just Intonation is all about harmony. When you play chords on a JI-tuned harmonica, they sound incredibly smooth and rich. It’s like butter melting on hot toast—absolutely delightful. This is because JI tuning is based on pure mathematical ratios, making the chords resonate perfectly together.
But here’s the twist: while your chords will sound heavenly, your melody notes might feel a bit… off. They can sound slightly out of tune when played solo or alongside instruments tuned differently. It’s the trade-off for those gorgeous chords.
Popular Just Intonation Harmonicas
Hohner Marine Band Classic:
A timeless favorite among blues players, known for its rich, warm chord sounds due to its JI tuning.
Seydel 1847 Classic:
Offers traditional JI tuning, providing smooth chords perfect for soulful solos.
Suzuki Fabulous:
Designed with professional players in mind, this harmonica delivers impeccable chord resonance thanks to its JI tuning.
Equal Temperament: The Versatile Virtuoso
On the flip side, Equal Temperament harmonicas are the jack-of-all-trades. Melodies played on an ET-tuned harmonica sound spot-on, especially when you’re jamming with other instruments. This tuning divides the octave into equal parts, ensuring that every note is equally (though slightly imperfectly) in tune.
The catch? Your chords might sound a bit rough around the edges. They won’t have that same smoothness you get with JI tuning. It’s a small sacrifice for the sake of versatility and melodic precision.
Popular Equal Temperament Harmonicas
Lee Oskar Major Diatonic:
Renowned for its ET tuning, making it ideal for players who focus on melodies and frequently play with other instruments.
Hohner Golden Melody:
Features ET tuning and a full-bodied sound, favored by jazz and classical harmonica players for its precise intonation.
Suzuki Promaster:
With its ET tuning, this harmonica is perfect for clear, accurate melodies across various music genres.
Compromise Tuning: The Middle Ground
These days, most harmonicas are actually tuned somewhere between Equal Temperament and Just Intonation. This is called compromise tuning. Some harps lean closer to one tuning, some to the other—and in fact, different areas of the instrument may be tuned differently to suit certain playing styles.
If any of the chords are perfectly harmonized, it’s usually at the bottom end of the instrument because that’s where players are more likely to want them. This approach gives you the best of both worlds: smoother chords than ET tuning and more in-tune melodies than JI tuning. But remember, there’s no “perfect” compromise tuning—the clue is in the name!
Popular Compromise Tuned Harmonicas
Hohner Special 20:
Favored for its blend of chord richness and melodic accuracy, making it versatile across genres.
Seydel Session Steel:
Offers a modern compromise tuning that’s great for both chords and single-note playing.
Suzuki Manji:
Features a unique compromise tuning that balances traditional and contemporary harmonica sounds.
Why Does This Matter?
Choosing between JI, ET, or compromise tuning boils down to your playing style:
- If you’re a chord-heavy player, loving those rhythmic, vamping styles, JI or a compromise tuning might be your best friend.
- If you’re a melody-focused player, or you often play with other instruments, ET or a compromise tuning will keep you in tune and in sync.
Don’t Just Take My Word For It—Play Them!
Honestly, the best way to grasp the difference is to experience it yourself. Grab harmonicas tuned to JI, ET, and compromise tunings and have a go:
- Play some chords on each. Feel how JI wraps you in warmth, ET adds a bit of edge, and compromise tuning finds a sweet middle ground.
- Play single-note melodies. Notice how ET sings true, JI might make you raise an eyebrow on certain notes, and compromise tuning offers a pleasing balance.
- Jam with others. See which tuning blends better in a group setting for you.
Final Thoughts on Just Intonation vs Equal Temperament
At the end of the day, there’s no “right” choice—just the one that suits your music. Some pros even carry multiple harmonicas with different tunings to switch depending on the song!
So next time you’re harmonica shopping or pondering your sound, remember: tuning isn’t just technical jargon. It’s the key to unlocking the music that’s uniquely you.
Happy Playing!
Keep blowing and keep exploring!
Your Harmonica Instructor Iman
