Steingraeber & Sohne 138 K

This concert upright is the acoustic equivalent of a 180 cm (6 ft.) long salon grand piano, awarded ‘Best in the World’ in Paris. Universities, small concert halls, and churches alike use them in place of a grand piano.It comes equipped with our classic action and enhanced chamber-music dampening for the single string sections as standard.

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This concert upright is the acoustic equivalent of a 180 cm (6 ft.) long salon grand piano, awarded ‘Best in the World’ in Paris. Universities, small concert halls, and churches alike use them in place of a grand piano.It comes equipped with our classic action and enhanced chamber-music dampening for the single string sections as standard.

The basic models are:

Additional options include sostenuto pedal and enhanced chamber-music dampening for the 2-string bass section.

FEATURES

  • two alternative action systems:

„classic“ or „SFM®“ for 1mm repetition point like grands (both Steingraeber-Renner parts)

SFM = Steingraeber-Ferro-Magnet

  • wide range of modulation
  • differentiated and transparent tone quality
  • chamber music dampers for the single string sections (30 % more efficiency by ‘4-heads’)
  • perfect touch

–  fast-responding keys (20 % more upweight)

–  reliable mineral key tops and solid ebony avoid ‘aquaplaning’

SPECIFICATIONS

  • wide range of modulation
  • differentiated and transparent tone quality
  • chamber music dampers for the single string sections (30 % more efficiency by ‘4-heads’)

  • perfect touch
  • fast-responding keys (20 % more upweight)
  • reliable mineral key tops and solid ebony avoid aquaplaning

Technical data and features Technische Daten 138
Maximum height uprights max. Höhe Pianos 54″ / 138 cm
Maximum width/depth max. Breite / Tiefe 59” / 26”
152 / 66 cm
Knee room Kniefreiheit 27″ / 70 cm
Net weight Gewicht netto ca. 277 kg
Gross weight (cardboard) Gewicht brutto ca. 318 kg
Sounding space Klingende Resonanzbodenfläche 10.813 cm2
1.676 sq. inch
1st bass string speaking length Ton 1 50   ‘‘
Dual weighting = touch weight naturals/sharps Spielgewicht: Unter-/ Obertaste 48/47 g
Counterweight Aufgewicht 21-27 g
Highly compressed beech pin block, number of layers Stimmstock, Anzahl Buchenschichten ca. 25
ebony sharps Obertasten aus Ebenholz standard
mineral keytops for naturals Untertasten mineralisch standard
Comprehensive genuine wood guarantee Umfassende Echtholzgarantie standard
Environmentally-friendly processing Umweltfreundliche Verarbeitung standard
Humidity-safe glued joints Tropenfest standard
Special drying for extremely low humidity Sondertrocknung (Wüstenklima) standard
Chamber music dampers Kammermusikdämpfung standard
Keyboard lid bracke Klappenbremse optional
Sostenuto pedal Tonhaltepedal (Sostenuto) optional
Concert grand castors, with two brakes Schul-/Konzertrollen inkl. 2 Bremsen optional
3rd pedal muffler/hand-operated muffler Pedal-/Handmoderator optional
SFM (Steingraeber-Ferro-Magnet) action SFM (Steingraeber-Ferro-Magnet) Mechanik optional
SFM touch weight: naturals/sharps SFM Spielgewicht: Unter-/Obertaste 46/45 g
SFM counterweight SFM Aufgewicht 18–22 g