he Technology
Around the middle of the 19th century, a new concept that involved a
bellows and a free-reed mechanism was developed in Central Europe.
It heralded the introduction of a totally new instrument - the acoustic
accordion. Since then, its unique character, portability, and variety of
sounds have made the accordion a tremendously popular instrument
all over the world. Due to its complex mechanism and portability, the
acoustic accordion long appeared an instrument that couldn’t be
improved using digital technology.
Until Roland introduced the V-Accordion series - the fi rst instruments of
their kind to provide powerful digital modelling technology in a traditional,
immediately familiar, accordion design, and with performance functions
and authentic sounds that appealed to a wide range of players.
The History
Past and future
PBM (Physical Behaviour Modelling)
At the heart of the V-Accordion is Roland’s new, proprietary PBM sound
engine and modelling technology. Physical Behaviour Modelling uses
complex algorithms to accurately recreate an acoustic accordion’s sound
characteristics. The result is a faithful simulation of the actual physical
behaviour and expressive nuances of an acoustic instrument.
Bellows Movement Modelling
PVA (Pressure Variant Amplifi er)
This function controls the dynamics of each
reed sound, based on the high-resolution
bellows pressure sensor. Starting and
stopping, hysteresis threshold, inertia,
expression curve, and volume are all
individually programmed to reproduce a
true free-reed sound.
PVF (Pressure Variant Filter)
The tone colour of each reed sound is also
shaped in real-time by the dedicated DSP
(Digital Signal Processor), responding
accurately to each expressive playing nuance applied by the bellows.
PVP (Pressure Variant Pitch)
The pitch of each simulated reed is varied individually. As the bellows
is pushed or pulled more forcefully, the
sound becomes fatter and richer, because
each simulated reed exhibits a “natural”
tendency to go out of tune.
Musette Tuning
Based on extensive research of the
different tuning types used throughout
the world the V-Accordion’s note-by-note
micro-tuning feature allows a V-Accordion to authentically reproduce many
different accordion types for various genres of music.
The Technology
Hysteresis Thresholds
Expression Curve
Roland is pleased to introduce another
milestone in digital musical instrument
history– the V-Accordion with piano-
type treble keyboards. This line-up
is the fi rst to successfully integrate
cutting-edge digital technology, such
as our proprietary “Physical Behaviour
Modelling” (PBM), into a traditional
accordion design, offering performance
features and authentic sounds perfect
for a wide range of musical styles.
The Roland V-Accordion series of piano-
type instruments comprises 5 models
and 3 colour variations: FR-7 (grey/red),
FR-5 (grey/red), FR-3s (grey), FR-3
(grey), and FR-3s (white).
The fl agship, the FR-7, provides 41
velocity-sensitive piano-type keys,
aftertouch and 40 Accordion sets, and
a Master bar. The FR-5 shares these
features, but comes without speakers or
an amplifi cation system. The lightweight
and portable FR-3s and FR-3 are fi tted
with 37 velocity-sensitive keys. While
the FR-3s contains an onboard digital
amplifi er and two speakers, the FR-3
doesn’t, and is therefore the lightest
member of the V-Accordion family, but
just as fl exible as the FR-3s.
How about treating yourself to
something exclusive? With the FR-3s
WHITE, you are sure to stand out from
the crowd: the elegant pearl-white
cabinet and gorgeously decorated
bellows are complemented with highly
attractive accessories (shoulder straps,
bass strap cushion and bellows stop)
made of real leather and Alcantara®.
All V-Accordion models offer selectable
Bass & Chord modes (6 modes: 2 Bass
Rows, 3 Bass Rows A7th, 3 Bass Rows
A5dim, 3 Bass Rows B7th, 3 Bass Rows
B5dim, 3 Bass Rows Bx) and Free Bass
modes (5 modes: Minor 3rd, Bajan,
Fifth, N.Europe, Finnish).
Alcantara® is a registered trademark of Alcantara Spa., Italy
V-Accordion
Line-up
Piano-type
Treble Keyboard
Models
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