Iorio SEM 502 D Accordion

IORIO (SEM) Concert Double Tone Chamber Accordion
with MIDI and Microphones

This is the top of the line professional SEM accordion built for Iorio. The instrument features 4/5 sets of hand-made reeds with genuine leather valves. The bassoon and clarinet reeds are in a double tone chamber. The acoustic accordion is complemented by modern Musictech KING MAJOR MIDI with electromagnetic sensors and built-in sound card and condenser microphones. SEM is now part of Scandalli. Combining the acoustic and electronic features would cover any repertoire from classical to jazz to ethnic music.

Here is a summary of the features.

Below is a link to shared sound samples. Since the files are large you may get a message "File too large to scan ... only play this file if you understand the risks." Select PLAY ANYWAY to listen online. If you prefer, you can download the file (press the down-arrow in the upper right corner), scan it locally, and play it on your computer. Using headphones will give you a better idea of the tonal quality of the instrument.

Iorio (SEM) Sound demo

The following (optional) MIDI modules/arranges are available for purchase with this accordion
  • Ketron SD3 like new, custom made travel case or gig bag included
  • Orla XM800
  • Roland MK-7m
Please, reed the comments in the pictures area below for more technical details. The accordion has been serviced at the Accordion Gallery and looks,feels, and sounds great. The new owner will enjoy a well built instrument with smooth mechanics and beautiful tone. The MIDI will open a whole new world for orchestration and musical expression. The microphones can be used independent of the MIDI.

You can play this accordion as acoustic instrument without any electronics. With any amplifier you can get the benefit of full orchestration using the built-in sound card and microphones. In case you wish to use an additional external MIDI module all you need to do is connect it to the MIDI OUT port of the power supply.

Call 973-219-9259 with any questions.


Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

The MIDI controller is programmed. Through the gill panel the performer can recall any preset, activate bellows dynamics,
turn on/off each MIDI channel etc. The accordion can be played with the internal sound card without additional MIDI module.

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

On the lower side of the grill (see picture below) the are 3 connectors:
1. 1/4" pick up for the condenser microphones - connects to an amplifier (not included)
2. MIDI port - connects to the MIDI power supply (TO ACCORDION)
3. 1/4" jack for the built-in sound card - connects to am amplifier (not included)
The amplification can be used independent of the MIDI.

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

The accordion comes with very comfortable Italian strap with 3.5" width at the padded area.

Iorio SEM 502 D Accordion

In the photograph below we see the MIDI accessories:
Musictech bag, 2 Volume pedals that connect to ports A and B of the power supply, power supply,
MIDI data cable (connects the accordion to the power supply),
and 1/4" audio cable that can be used either for the built-in microphones or for the built-in orchestral sounds

Iorio SEM 502 D Accordion

The MIDI has been factory-installed and is very neat.
The cables are properly routed without interference with the mechanical components of the instrument.

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

You can appreciate the hand-made reeds and genuine leather reed valves, all in excellent condition.
Complete reeds voicing and tuning was performed in April 2023.

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion



Iorio SEM 502 D Accordion

Iorio SEM 502 D Accordion

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