Acorn Instruments

A 12 button instrument with a powerful concertina like sound. Ideal for back packing or morris where a larger instrument can get a bit cumbersome after a day of playing.

Lightweight and powerful model, 21 key, 2 row (D/G), single voice, 8 button, 2 voice bass with hand made type reeds.

The most popular model, 21 key, 2 row, 3 voice treble, 8 button, 3 voice bass with hand made type reeds.

33 Button 2 voice treble, 12 button bass including optional register, Hand made type reeds.
Compact size 3 row instrument available in a variety of layout configurations.

33 Button 2 voice treble, 12 button bass including optional register, Hand made type reeds.
Compact size 3 row instrument available in a variety of layout configurations.
18 bass version

10 button treble 4 voice with 4 voice registers, 2 button, 3 voice bass. Hand made type reeds.
1 row instrument with very full sound.

21 button, 2 voice treble, 8 button, 3 voice bass with optional register. Hand made type reeds.
Full size instrument allowing a richer, more resonant sound than the smaller models.

21 button, 2 voice treble, 8 button, 3 voice bass with optional register. Hand made type reeds. Two helper buttons for accidentals on third row.
Full size instrument alowing a richer, more resonant sound than the smaller models.

21 button 3 voice treble 2 register switches, 8 button 3 voice bass with optional register. Hand made type reeds.
Full size instrument with treble register switches as standard.

21 button 3 voice treble 2 register switches, 12 button 3 voice bass with optional register. Hand made type reeds. Full size instrument with treble register switches as standard. This allows a combination of voices, LMM, LM,M,MM.

26 button 2 voice treble in a 21 + 5 layout, 12 button 3 voice bass with optional register. Hand made type reeds.

2 voice full size instrument, 2.5 row allowing accidentals to be easily to hand.

26 Button 3 voice in a 21 + 5 layout with 3 registers under the keyboard.12 bass 3 voice with 4 registers as standard.Hand made type reeds Full size instrument with full voicing to treble and bass side,L,LM,LMM,MM,M treble and full complement on bass sid

21+2 button, 3 voice 2 register instrument in Cherry with black buttons.

 Acorn Instruments are calling this instrument a 'Jilly' because it is not a standard Castagnari Model. Click on Instrument name for full details.

21 button 3 voice treble, 7 register switches, 8 button 3 voice bass with 4 registers as standard.
This is a very versatile instrument with voice changes on the treble and bass side.
All in a compact case.

This is top of the range from Castagnari.
33 Button 3 row, 3 voice treble, 18 button bass with 4 automatic registers behind keyboard, Hand made type reeds.