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Blüthner
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Call:
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Call:
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Call: 905-855-1030 |
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Welcome
to... |
www.pianoteam.com |
piano servicing page |
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Clarkson Piano Centre & FORTE Academy of
Music
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established 1980
in Canada since 1994
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Affordable
Excellence Inspired by Family Tradition |
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For prompt,
quality, professional service at reasonable
rate call 905-855-1030 to schedule
your private appointment. All works
supported by our written Warranty. We offer:
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Finish touch-up & repair
- Full
refinishing
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Rebuilding combined with refinishing
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...not
only serves the art of music, it is a work of
art itself. A wonderfully complex
machine, it has thousands of moving parts, a
framework and soundboard supporting tremendous
string tension, and beautifully finished
cabinetry.
Although remarkably
durable, pianos are subject to deterioration
with time and use. Felt wears, strings break,
wooden structures weaken and crack, and the
exterior finish loses its beauty. Regular
service and periodic action regulation can
compensate for minor wear, but heavy or
extended use — especially when combined with
wide seasonal humidity swings — can
eventually cause severe deterioration.
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A.
Sounding Board ("Soundboard")
B.
Pin-Block (Wrest
plank) in which tuning pins are anchored
C.
Action (consists
of up to 9000 parts)
D.
Key-frame ("action
frame") on
which action and keys are mounted
E.
Cast-iron plate -
bears the strain of stringing ( up
to 35000 lbs. of tension)
F.
Bridges (Bass
and treble) through which
vibration of strings is transmitted to
soundboard
G.
Braces
("Support-Beams") provide
additional support to a tremendous
string-tension
H.
Case ("rim")
into which the plate and soundboard are
fitted and anchored
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Indeed, TUNING,
(tone) VOICING and (action) REGULATION are
three most important and most needed forms of
piano service. |
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What is piano tuning?
The pitch: The "highness" or the "lowness"
of the sound, corresponding to the frequency
of the vibration.
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In simple terms, piano tuning is a
procedure performed by a qualified piano
technician ("piano tuner") that
adjusts an instrument so that it sounds
- "in tune". Some 230 strings in any piano are stretched at
high tension (depending on a scale-design-
there is some 17-20 tons of the
string tension) across a cast-iron plate
(frame), one end of each string being
attached to a hitch pin an the other end
coiled around a tuning
pin. The pitch of each string
when vibrating depends, among other factors,
on the tension at which it's stretched. By turning the tuning pin,
using the device (wrench) called "the
tuning hammer" the tension can
be tightened or slackened, and thus the
pitch altered as assessed by the technician
and guided by the reference point. |
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Internationally accepted reference point
is A 440, also known as a "concert
pitch"-produced by a
"tuning fork".
"A 440" (440 vibrations per
second) is a term
that describes note A above the middle C
and is defined as the sound produced by
the "A-fork" or the tuning
fork . Tuning, then,
means adjusting the tension of each of the
piano strings, using a tuning hammer to
turn the tuning pins, so that the pitch of
each string sounds pleasingly in harmony
with the reference point, note A, and
every other string according to certain
known acoustical laws, aesthetic rules and
customs. |
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Piano tuning, in essence, is a fairly
simple procedure however it requires a
very special skill, talent rather, as well
as training and experience.
The fact is
that by having your piano tuned at least
once, or (preferably in our climate) twice
every year - you are extending the life of
your instrument, preventing possible major
problems and - protecting the piano
- your investment.
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What is (tone) voicing?
Some piano technicians
describe the voicing as changing
the tonal color of the piano. Even
in tune, piano's tone may not be even, some
notes or even the whole groups of notes may
sound "sharper" or
"softer" (mellower) then the rest of
the notes on the piano. The
process performed by a qualified piano
technician that brings those uneven notes in
tonal balance with the remaining notes, and
with each other, in simple terms, is called a
tone voicing. Voicing, technically
speaking, is performed by adjusting and (or
sometimes repairing) the piano hammer's felts.
By making the felt on the hammer softer, the
sharp sound transforms into more pleasant,
softer sound. Similarly, by changing the
density of the softer felt , piano hammer
produces brighter sound. So, voicing can be
performed as voicing-up, or voicing-down,
depending on the "tonal
status". Voicing can be
done as a minor adjustment of only few notes
on the piano, still, dedicated piano
technician may spent more time voicing those
few notes then on tuning the piano.
However in some cases a
complete voicing (change of the color of the
tone) may be requested. The fact is that
many new pianos are designed to produce loud,
sharp, often metallic sound as its original tone
setting - aimed to attract inexperienced buyer
and/or beginner player. As the level of playing
skill develops, the player starts to have
difficulties in working necessary dynamic contrast
on such instrument, and often asks piano
technician to try to change the harshness of the
sound - tone voicing then becomes the (only)
option. We are often approached by customers
that purchased new pianos elsewhere and with
maturity of their skill and taste ask for the
tone of their piano to be improved. While
voicing can somewhat improve the overall quality
of the sound, the best is to avoid purchasing
"loud", "harsh"- metallic or
bright sounding new pianos. Rather look for
mellower, softer sounding instrument: Aside from
presenting the obvious difference in the design,
the softer sounding piano will only improve in
richness of the tone in years to come, contrary
to the loud or harsh sounding ones.
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What is
regulation and how does it affect piano's
performance?
Regulation is
the adjustment of the mechanical aspects of
the pianos to compensate for the effects of
wear, the compacting and settling of cloth,
felt, and buckskin, as well as dimensional
changes in wood and wool parts due to
changes in humidity.
The three systems involved in regulation are
the action trap-work and damper system. The
action is the mechanical part of the piano
that transfers the motion of the fingers on
the keys to the hammers that strike the
strings. It is comprised of over 9,000 parts
which require adjustment to critical
tolerances to be able to respond to a
pianist's every command. The trap-work is
the assemblage of levers, dowels and springs
that connects the pedals to the action
affecting sustain and dynamics. The damper
system is the mechanical part of the piano
that stops the vibration of the string when
you release the key and is controlled by the
key and pedal systems.
While tuning
corrects the pitch of your piano, it is only
one component of a complete maintenance
program. Regulation attends to the touch and
uniform responsiveness of your action, all
vital to making each performance
pleasurable. In addition, regulation ensures
that your instrument is capable of producing
a wide dynamic range -- a critical factor,
particularly in pianissimo passages.
Music is one of the most complex vehicles
for expression. Its beauty is reliant upon
personal dynamics and tempi. These changes
require extremely fine adjustments to
respond to the pianist's nuances and subtle
shadings. A smooth, even response throughout
the entire range of the keyboard and an
extremely quick action capable of playing
rapid passages and repeated notes evenly is
essential. Outstanding response is essential
for a pianist to create an outstanding
performance.
All upright and grand pianos need periodic
regulation to perform their best. Frequency
of regulation is dependent upon amount of
use, exposure to climatic changes, and the
instrument's quality, age and condition. New
pianos may require regulation in their first
year because settling and compacting of
parts sometimes necessitates adjustment.
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Upright piano action has 25 points of
adjustment for each note |

Grand Piano action has 35 points of
adjustment for each note (key). |
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Today, many high-quality
older pianos exist in various stages of wear.
Because it happens so gradually, this wear
often goes unnoticed, leaving many pianos
operating far below their potential. In
extreme cases, some older pianos are simply
left unplayed because of their poor condition.
Some technicians possess
the skills to restore such instruments to
excellent condition. This work is variously
described as rebuilding, restoration,
renovation, remanufacturing, refurbishing, or
reconditioning. To establish some uniformity,
the Piano Technicians Guild uses the following
terms:
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is the
process of putting a piano back in good
condition by cleaning, repairing, and
adjusting for best performance with parts
replacement only where necessary. This is
most appropriate for a piano with only
moderate wear or those of medium value with
average performance requirements.
Reconditioning does not
involve replacing major components such as the
soundboard, bridges, pin-block, and most action
parts. This means the performance and
life-span of an older piano will not be
restored to new. Instead, reconditioning is
designed to improve a piano's performance,
keeping in mind both costs and benefits.
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involves
complete disassembly, inspection, and repair
as necessary, including replacement of all
worn, damaged, or deteriorated parts.
The piano is then reassembled, tested, and
adjusted to the same or similar tolerances
as new. Complete rebuilding includes
the entire piano structure -- including
soundboard, bridges, pin-block, and strings
— as well as the action, keyboard, and case
refinishing. Partial rebuilding includes
only one or two of these areas, for example
rebuilding of the action and structure, but
not case refinishing.
Rebuilding restores the
piano to original condition or better. Such
comprehensive work is usually most practical
for high-quality instruments where maximum
performance and longevity are required.
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In the short term, leather
and felt compact, affecting the adjustment
(regulation) of the parts. The action becomes
uneven and less responsive, and the piano's
tone loses dynamic range. Squeaks and rattles
may develop. Routine maintenance such as
hammer filing, regulation, voicing, and tuning
will correct these problems and maintain the
piano in near-new condition.
After extended or very
heavy use, action parts become severely worn.
Leather and felt wear thin. Keys become
wobbly, hammer felt gets too thin to produce
good tone, and the action becomes noisy.
Regulation adjustments reach their limit. In
addition, piano strings may begin breaking and
the copper windings of bass strings lose
resonance.
After decades of exposure
to seasonal changes, the wood of the
soundboard, bridges, and pinblock is weakened.
This causes loose tuning pins, poor tuning
stability, and further loss of tone. By this
time the piano's finish will often be
scratched or faded.
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Most pianos can be played
for many years without major repairs. However,
the tone, touch, and appearance will
continually decline with age. If piano
received no regular maintenance and/or when regular
maintenance such as cleaning, regulating,
voicing, and tuning can no longer provide
satisfactory performance, a piano may require
reconditioning or rebuilding.
Exactly when a piano needs
rebuilding or reconditioning depends on its
original quality, the climate, usage, and
performance requirements. One piano may need
rebuilding after just twenty years, while
another may need only reconditioning after
fifty years. The best way to decide is to seek
out a qualified piano technician with the
judgment, experience, and expertise to advise
you on such an important decision.
Our store offers a full
service of used pianos and all works are fully
guaranteed. Please call 905-855-1030 for full
details or to discuss your needs.
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Not all pianos are worth
the expense of reconditioning or rebuilding.
In consultation with experienced piano technician,
you should consider the following factors:
- The overall
condition of the piano. Can it
really be restored to original condition
or is it deteriorated
beyond repair? Pianos subjected to severe
fire, flood, or moving damage may not be
repairable.
- The quality,
size, and type of the piano.
Low priced, small pianos of poor design
have limited
potential. If the rebuilt piano would not
be capable of meeting your performance
needs, it would be
better to replace it with new one of better
design.
- The cost of
repairs versus replacement. Major
repairs may exceed the value of small
low-quality
pianos. However, most large high-quality
instruments can be rebuilt for one-half to
two-
thirds the cost of a comparable new piano,
making rebuilding a cost-effective option
for fine
pianos.
- Sentimental
value. Personal attachment or
historical value may justify investing in
major
repairs rather than replacement.
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Reconditioning may include:
- Thorough cleaning.
- Repair or replacement of damaged parts
as needed, typically including such jobs
as felt
replacement, hammer filing or replacement,
and partial restringing.
- Adjustment, regulation, tuning, and
voicing to return all parts to proper
function, reduce
mechanical noise, and improve tone.
- Finish touch-up or polishing.
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Complete rebuilding typically includes:
- Complete disassembly of the instrument.
- Repair or replacement of soundboard,
bridges, and pin-block, as well as repair
of any structural
damage to the case.
- Replacement of all strings and tuning
pins.
- Thorough restoration of action and
damper system, including replacement of
hammers, many
action parts, springs, and most felt.
- Rebuilding of the pedal and trap-work
system, including replacement of all worn
felt, leather, and
metal parts.
- Refinishing of case and plate, polishing
or re-plating of all hardware, and
replacement of all decals, felt trims, and
rubber buttons
- Complete action regulation, tuning, and
voicing.
- Multiple tunings to stabilize new
strings.
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If you suspect that your
piano needs major repairs, have a complete
evaluation done by a qualified piano
technician.
Discuss costs versus benefits of various
repair options, and whether the completed
piano would meet your performance
requirements.
Clarkson Piano
Centre offers the "piano assessment
service" - a detailed evaluation of your
piano's condition with recommended restoration
options. The cost for this service is $50
(+7%
tax).
We
encourage you to ask for a second opinion and
evaluation. Consistent recommendations by our
customers - "word-of-mouth" advertising-
creates on a steady basis a waiting list of
approximately 2-5 weeks for taking major new
restorative piano work. We are confident, it
is worth to wait and get your piano restored
with us! You will get the best possible work
performed at very reasonable cost! All works
are supported by our written guarantee!
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The piano is unique among
musical instruments because it also serves as
fine furniture for the home. In fact, the term
"piano finish" has traditionally
been used to describe the highest standards in
wood finishing. Properly maintaining that fine
finish will enhance your home's decor and
preserve the value of your piano. |
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Basic
Finish
Care
Modern pianos are finished
with a variety of materials, from traditional
lacquer to modern polyurethanes and polyester
resins. Whatever the material, a piano finish
is designed to protect the wood from dirt and
liquid spills, reduce the damaging effects of
humidity changes, and — in the case of clear
finishes — enhance the beauty of the wood.
Modern finishes are
designed to do their job without the
additional aid of polishes or waxes. In most
cases, a piano finish is best maintained by
simply keeping it clean and avoiding exposure
to direct sunlight, extremes of temperature
and humidity, and abrasion.
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1. Avoiding finish
damage.
Your piano's cabinet, like
all woodwork, is subject to expansion and
contraction with humidity changes. Excessive
wood movement can eventually cause the finish
to develop tiny cracks and even separate from
the wood. Moderating the temperature and
humidity swings around the piano will help to
preserve its finish as well as its overall
structure and tuning stability.
Locate the piano in a room
with a fairly even temperature, away from
drafts, dampness, and heat sources. Always
avoid direct sunlight — it will age the
finish prematurely and cause color fading.
To prevent scratches, never
set objects on your piano without a soft cloth
or felt pad. Never place plants or drinks on a
piano, because spillage and condensation can
cause major damage.
2. Dusting your
piano.
Dust is very abrasive, and
can scratch the finish if wiped off with a dry
cloth. To avoid scratching, dust the piano
lightly with a feather duster. Alternatively,
wipe lightly with a soft damp cloth to pick up
the dust, followed immediately with a dry
cloth. The cloths should be soft cotton such
as flannel, because coarse or synthetic
fabrics can scratch some finishes. Wring out
the damp cloth thoroughly so it leaves no
visible moisture on the surface.
To avoid creating swirl
marks, always wipe with long straight strokes
rather than circular motions. Wipe with the
grain for natural wood finishes, or in the
direction of the existing sheen pattern for
solid-color satin finishes. Because some
exposed parts inside your piano are fragile,
it's best to let your technician clean these
areas.
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3.
Cleaning the finish.
To remove smudges and
fingerprints, first dust using the damp/dry
cloths as above. If heavier cleaning is
necessary, dampen your cloth with a small
amount of mild soap solution. A common product
is Murphy's Oil Soap, available at most
grocery and hardware stores.
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4. To polish or not?
Before using polish on your
piano, be sure it is actually necessary and
beneficial. In general, most manufacturers
recommend against using polishes because of
the potential for damage to the finish and
contamination of other parts of the
instrument.
Common household products
such as "lemon oil" or inexpensive
"furniture polish" should be
avoided. Despite the labels' claims that they
"protect" the finish or
"feed" the wood, they offer no
protection from scratching and can actually
soften the finish if overused. Worse, they
often contain silicones and oils that
contaminate the wood, complicating future
refinishing or repairs. Silicone is especially
dangerous because of its tendency to spread
within the piano, sometimes causing extensive
internal damage. Avoid aerosol products
altogether since the over-spray can
contaminate piano strings, tuning pins and
action parts.
An appropriate polish can
help to restore lustre to a dulled finish
or reduce the tendency of some finishes to
show fingerprints. However, it should be
applied sparingly and infrequently, and all
excess should be wiped clean with a soft dry
cloth so no visible film remains. To prevent
scratching, always dust before polishing.
Specific recommendations follow.
5.
Removing
a heavy polish build-up.
If your piano's finish
appears gummy, oily, or streaked, it may be
contaminated with too much or the wrong type
of polish. Adding more polish will not correct
this problem. Instead the finish should be
thoroughly cleaned, then evaluated for any
further treatment.
To remove accumulations of
old polish, use a cloth dampened with a mild
soap solution as in item 3 above. Wring the
cloth thoroughly to minimize wetting of the
finish, and dry the surface immediately. Test
a small area first to make sure the washing
does not cause white marks or softening of an
older finish.
If stronger cleaning is
necessary, look for a product called
"wood cleaner and wax remover" at
hardware or wood workers supply stores, or ask
your technician for a suggestion.
Once the original finish is
clean, you can either leave it as is or
enhance the gloss and clarity with an
appropriate polish according to the finish
type listed below.
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Care of
specific finish types
The two most common piano
finishes are lacquer and polyester. Either
material may come in clear, black, white, or
other colors. Check your piano's owner
information booklet to determine the type and
recommended care of your piano's finish, or
ask your technician or dealer for help if
you're not sure.
Lacquer:
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