What is a double harmonica?
A harmonica that has two reeds in each hole, which vibrate, creating pitched tones when air is blown or drawn through the harmonica. There are two types of double-reed harmonicas. Tremolo tuned: the two reeds are tuned slightly different from one another, resulting in a chorus/vibrato/tremolo effect.
What is a double tremolo harmonica?
The Hohner Echo 64 Double Sided Tremolo is a classic double sided tremolo-tuned harmonica – all models in this series consist of two instruments in one. The opposing keys are always tuned a fifth apart. Tuned to Key C on one side and Key G on the other, and they all feature a high-quality maple wood comb.
What harmonica has two rows?
Also known as the Konzert or Full Concert harmonica, this was developed by the Friedrich Hotz company of Knittlingen. Like the Wiener system, it has a pair of reedplates each with both blow and draw reeds, mounted on a horizontally divided comb giving two rows of holes at the mouthpiece.