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Pluck Test: Slowly depress a key in the octave that begins an octave above middle C.Some good-sounding pianos have no measurable crown. Soundboard crown: any measurable crown is good.Where ribs cross cracks, check to ensure they are still firmly glued.

Check to ensure soundboard is glued around the perimeter.

Make sure there are no new cracks alongside the shims.

Wooden shims in cracks indicate that the piano was rebuilt at some point in the past.

More than a few unrepaired cracks in the soundboard may be cause for concern.

Look for excessive soundboard cracking.

Play all the keys from one end to the other, listening for evenness of tone across the keyboard.

Before lifting the lid, check it for cracks and missing hinges.

Check vertical piano for missing casters.

Check legs for cracks or for an undue amount of rocking of the piano.

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Look for separations or delaminations in the bottom edge of the rim of a grand piano, or for a large crack in the back of the top horizontal beam of a vertical piano.

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Repairing a cracked plate is costly and usually not guaranteed.

Look for cracks in the plate, both in the struts and in the tuning pin area.

If piano is very old, check wooden upper bearing point for cracks.

Also check the treble bridge for serious cracking.

A piano with a loose bass bridge will have much weaker tone on one end of the bass section than the other.

Excessive cracks that cause dislocation of bridge pins, especially on bass bridge, are a big problem and indicate the need for a new bridge or bridge cap.

Some hairline cracks around bridge pins are customary.

Primary problem area is the bass bridge.

Do bass notes sound clear and resonant, or short and tubby?.

Too many new-looking strings among the older ones indicates a breakage problem too many splices, as well.

How rusty? Light rust or tarnish is okay, but excessive rust, especially on coils or at bearing points, is a problem, and could lead to breakage.

On a grand, if you are able to remove the fallboard, look at the underside of the pinblock for signs of cracking and delaminating.

Look for ugly, dark brown, gummy stains which indicate the pinblock has been doped with chemicals to temporarily tighten tuning pins.

Look for at least ⅛” clearance between tuning pins coils and the pinblock or plate.

Are tuning pins uniform in appearance, or are there some obvious replacements? The latter could indicate the pinblock is going bad.

The tuning pins should be checked by a technician.

Badly out-of-tune unisons may be a sign of loose tuning pins, especially if the piano has been tuned recently or if the mistuning of the unisons is gross.

Is the piano up to standard pitch? Is it in reasonable tune?.Does a matching bench in good condition come with the piano?.Check for loose veneer and other signs of water damage.Does it have any missing or broken cabinet parts or hardware (music desk, hinges, etc.)?.Has it been restyled in an unusual way?.

#Krakauer piano serial number professional#

If you decide to proceed further with a piano after examining it with this list, you will need to hire the services of a professional piano technician to check some things you could not, such as the tightness (torque) of the tuning pins, and to render an experienced judgment about the piano as a whole.

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The list is a brief summary of the section “Checking Out the Piano.” I assume you have read the section and know how to remove the outer case parts of a piano to look inside. Here is a checklist you can copy and take with you when checking out a used piano.

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(Sometimes a three- or four-digit number used in the manufacturing process also appears on various case parts don’t confuse this with the serial number.) When no serial number can be found or if the year of manufacture isn’t listed in Pierce, sometimes a technician can estimate. Or the number may be printed somewhere else on the plate or soundboard, printed or engraved on the top or back of a vertical piano back, or printed or engraved on the front edge of a grand piano key frame (Figure 1). Usually four to eight digits, the serial number is most often located near the tuning pins, either printed directly on the plate or engraved in the wooden pinblock and showing through a cut-away portion of the plate. Find the serial number of the piano so you can look up its year of manufacture in the Pierce Piano Atlas.