Classic PETOSA AM 1100 Accordion -
The Flagship Model!
This is a classic Petosa AM
1100 accordion, 1995 model in pristine condition.
AM 1100 model features
the best hand-made reeds available with
double tone chamber and low-A bass configuration. This is a concert
instrument with 12 treble and 10 (!) bass switches. It remains the
flagship model of Petosa Accordions in Seattle.
- 4 treble sets
of reeds - LMMH
- Tuned to 440 Hz with a very
mild tremolo tuning (swing tuning)
- 5 sets of bass
Chamber made of solid Mahogany (LM1)
- 41 keys,
19-1/4" keyboard - American walnut keys, white
key tops with smooth edges, excellent response
- 11 treble
switches: Bassoon (L), Bandoneon (LM1),
Organ (M1H), Accordion
Clarinet (M1), Oboe
(M1H), Flute (M2),
and Piccolo (H)
- Palm Master
- 120 bass -
noise free bass machine - 10 bass
registers - low
- Two grills - acoustic and amplified with built-in Tone Modulator
- Mahogany box for storage of the grill not in use
- Stereo Amplified - 5+2 microphones, 1/4" pick-up, Tone/Volume controls for treble and bass
Modulator - doubles the number of treble sounds and provides additional
warmth, typical for the American made Excelsiors from the 1950s
- Additional set of Petosa hand-made musette tuned M2M3 reeds
(-12/+22 cents) with a mahogany box for storage - in 5 minutes the
instrument can be transformed to a full musette accordion featuring
Italian and French musette. These out-of-chamber M2M3 reed blocks will replace the M2H blocks in the accordion.
- Large volume,
air tight 18-fold bellows
- 27.5 lb
- Excellent straps and very good original case included
The profile of the palm
master switch is very smart and helps avoid interference
with the performers right
leg while the instrument is played in seated position.
Here is the complete
package - the accordion with interchangeable musette reeds in a
This instrument is one of the best you can find, both acoustically and cosmetically. The
tone is clear, yet rich and strong with lots of
power, deep bassoon and clarinet, and strong piccolo. The acoustic
balance between treble and bass is excellent. The bellows has 18
folds and lots of volume. The compression in excellent. With the
additional reeds you can play a huge variety of music and always enjoy
an authentic sound - jazz, classical, ethnic, Italian, French, polka -
you have just the right type of tuning. The two sets of reeds will give
you 21 distinct sounds. When you use the Tone Modulator you can have 42 different treble sounds! This is fantastic!
grandchildren will still admire the craftsmanship and the tonal
personality of the AM 1100. Yes, I am confident there is
for the accordion. I see a revival each time my son plays at school and
his friends are very excited about the sound. The time of prejudice is
gone. You can tell by the accordion music featured in many movies and
recent TV commercials for American Express and BMW. Even the popular TV
show "The price is right" featured an accordion recently, a Petosa
accordion. I hope you enjoy
the pictures below and
would be glad to hear from you if you've already experienced the charm
of this accordion or would like to know more about it.
and the amplified grill with tone modulator, also stored in a custom
made mahogany box.
There are 5 treble
microphones for uniform gain across the keyboard range.
The amplification can be
used in Mono or Stereo modes with independent Volume and Tone
controls for treble and bass channels.
things changed for me since 2003 when I made a trip to Petosa Accordions. At that
time I worked as a systems engineer and between the long hours at work
and the numerous business trips I was recharging myself emotionally by
restoring accordions and playing my favorite music. I have been to many
music stores and dealt with lots of sales people. The
made me feel special. Joe and his father spent hours with me explaining
and actually showing me the special features of their instruments.
Their passion for the accordion could be sensed in the air. Time went
by in a flash... Now I have my own small company for accordion
restorations and sales and always remember my pleasant
Petosa. Joe Sr. and Joe Jr. are among my role models. I have been
trying to make all Accordion Gallery guests feel special the way I felt
at Petosa. Interestingly, it feels so natural to treat each fellow
accordionist with respect and understanding once one is so passionate
about everything related to accordions - from the music, to the
original design ideas, to the fascinating process of crafting the