|sound modules to order||Details||Price
|Ketron SD3 HD||
|Ketron Audya 4||
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|MusicTech MT120|| 120 W RMS power amp with 3-channel mixer each with Balanced Mic and Line input (for accordion mic systems and expanders) and Volume, Bass, Middle and Treble controls.
Loudspeakers: Woofer: 200 mm Tweeter: compression unit
Dimensions (cm): 37,5 (h) x 24,5 (w) x 25,5 (d)
Weight: 18.9 lbs - 8,59 Kg
|MusicTech MT20||Same characteristics as the MT 24 but without mixer. Input with Volume control and output jack for auxiliary powered speaker.||895|
|MusicTech MT24|| 250 Watt 6-channel mixer - 3 for both balanced mic and line inputs with two inputs per channel plus a further three channels for auxiliary inputs (for expanders, mini-disc, CD players etc).
Each of the three Balanced Mic/Line input channels has Volume, Bass, Middle, Treble and Effect controls. Each of the three auxiliary input channels each has a Volume control.
Pre-Out, Main In jack outputs and Output for powered speaker.
Two Rec. Outputs with RCA type pin sockets and output Volume control.
Digital Effects Module with 15 effects selectable with rotary switch and On/Off pedal socket.
Loudspeakers: Woofer: 300 mm - Horn Unit: 250 mm x 100 mm
Dimensions (cm): 50 (h) x 37 (w) x 40 (d) Weight: 44lbs - 20 Kg
MIDI stands for Music Instrument Digital Interface. This is a music industry standard language, used in most modern electronic instruments. Accordionists have used this technology since the mid 1980's.
Whenever a note is played on one MIDI instrument (the controller) a message is sent to another instrument or sound generator (the slave) to play the same note at the same time.To update a MIDI system you only need to change the sound generator.
As the technology of synthesised sound is changing so quickly, electronic instruments rapidly become obsolete. However, a MIDI accordion can always upgrade to the latest in sound technology without having to change the accordion itself. This is because you only need to update the MIDI sound generator (the 'slave'), not the MIDI accordion (the 'controller'). This is a huge advantage over the older electronic (cordovox style) accordions, where the whole instrument needed upgrading and the old accordion devalued.
Another advantage of the MIDI accordion is that you can have a MIDI "kit" fitted to an existing accordion. MIDI fits onto any accordion, new or old. You do not have to purchase a new accordion.
The sound generators most commonly used within MIDI Accordions are 'multi-timbral sound modules' (or expanders). These are the 'brains' of a synthesiser. 'Multi-timbral' means that the expander can generate more than one sound at the same time, through the use of separate MIDI channels. They work in a similar way to television channels. Information sent on one channel can only be received by a unit set to the same channel.
On the MIDI accordion, different channels can usually be set for each of the accordion's three keyboards; right hand, bass fundamentals and pre-set chords. In this way, an expander can play back different instruments for each of these parts. For example, the melody can have the sound of a wind instrument, accompanied by a string bass sound and rhythm guitar sound for the chords. Some MIDI accordions may have a second channel allocated to the right hand, enabling two different right hand sounds (or the top note or solo line in a right hand chord) to be generated from the same expander. As MIDI is an industry standard system, it is possible to use several different synthesisers and expanders at the same time, so the choice of different sounds and sound combinations is virtually unlimited.
MIDI note information can be transmitted from the accordion in a number of different ways. The two most common methods of turning an accordion into a MIDI instrument are to have either a physical contact attached to each of the keys and bass mechanism, or a magnetic sensor on each key which sends a signal of the note being pressed. Other methods of installing MIDI exist, although they are not as common (for example, optical sensors).
As MIDI requires only minimal wiring and a very small printed circuit board, these modifications add virtually no weight to the instrument. In order to make a MIDI transmit, it only requires a small amount of voltage in the accordion. People use a separate power pack, a battery housed on board the instrument, or (most commonly) the same cable as the note information carrier, either through a special power pack or a separate programmer.
With any system, the MIDI usually requires a standard 5 pin DIN cable, although some wireless MIDI systems are now becoming available.
The MIDI language can transmit more than just note information. For the MIDI accordionist, the next most common message used is 'programme change'. This allows the accordionist to change the sounds generated by the expander at the touch of a button on either the accordion itself, or through an external programmer. It is unnecessary to reset the expander, which can often be a little more complicated.
Many MIDI accordions also use a small pressure transducer inside the bellows of the instrument to sense volume and bellow direction. This means that a volume signal transmits via MIDI to the sound generator at the same time, whether the accordion is being played loudly or softly. However, many MIDI accordionists prefer to use a separate volume pedal for the expander sound, so that the bellows control the acoustic accordion independently. This is personal preference.
MIDI can also transmit many other performance features (i.e. pitch bending, touch sensitivity - making a note louder by how hard you hit the key, and after-touch, changing the volume of a note after it has been played by pushing the key harder, etc.) However many of these features are not 'normal' playing techniques for most accordionists.
As technology improves, and the weight of electronics decreases, it is now possible to have multi-timbral modules (that weigh eight ounces) fitted directly onto the accordion. This means that you can have a self contained acoustic and MIDI instrument ready to plug into an amplifier without any extra wiring or units. At the same time, the accordion still has the ability to be able to plug directly into any other expander, and use those sounds as well.
One of the latest features of technology is the addition of dedicated accordion sound sampler. These units have the real acoustic sound of an accordion recorded and stored (or sampled) into their memory, so that the sounds can be replayed from the accordion. With a pressure transducer to replicate authentic bellows expression, it is possible to electronically generate the sound of 128 different accordions all in one expander, played from one accordion.
With the use of MIDI, the accordion should always be able to remain on the leading edge of the musical world.