“Il Cannone violin 1743年” / 1937年修理 資料 “Forged Iron Nails”
“Il Cannone” violin 1743年
“Il Cannone” violin 1743年
“Forged Iron Nails” Amati viola
“Iron Nail Marks” Jacob Stainer (1617-1683 ) Violin, Absam 1650年以降
“Iron Nail Marks” Jacob Stainer (1617-1683 ) Violin, Absam 1650年以降
“Iron Nail Mark” Jacob Stainer (1617-1683 ) Violin, Absam.
“Forged Iron Nail Marks” Santo Serafin( 1699-1776 ) Violin, Venice 1732年
“Forged Iron Nails” Giovanni Battista Guadagnini ( 1711-1786 ) Violin, “Wurlitzer – Perriere” 1780年
“Forged Iron Nail” Giovanni Baptista Guadagnini ( 1711–1786 ) Violin, “Lachmann – Schwechter” Turin 1776年
“Forged Iron Nail Marks” Guadagnini Violin, “The Lachmann Schwechter” 1776年
“Forged Iron Nail Marks” Hieronymus Amati ( ca.1561-1630 ) Violino piccolo, Cremona 1613年
“Forged Iron Nail Marks” Pietro Giacomo Rogeri, Violin, Brescia 1710年
“Forged Iron Nail Marks” Pietro Giacomo Rogeri, Violin, Brescia 1710年
“Iron Nail Mark” Jacob Steininger Violin, Aschaffenburg 1804年
“Iron Nail Mark” Old German violin
“Forged Iron Nails” Andrea Guarneri / Tenor viola 1664年
“Forged Iron Nails” Andrea Guarneri / Tenor viola 1664年
“Forged Iron Nails” Jacob Stainer Violin, Absam 1679年
ピエタ慈善院付属音楽院の楽器
“Ospedale della Pietà” ( オスペダーレ・デッラ・ピエタ ) – Antonio Vivaldi ( 1678-1741 ), 1703-1713.
『 Musical Instruments of the Institute of Pieta of Venice 』Venice – May 14, 1990 / Marco Tiella, Luca Primon
Diagrams of the joints between Body and Neck
No.9 / Violin – Mathias Hornsteiner Mittenwald an der Jsar.795. / Terminus post quem 1709.
Diagrams of the joints between Body and Neck No.8 / Violin – Petrus Guarnerius Filius Joseph, Anno 1751.
Diagrams of the joints between Body and Neck No.10 / Violin – Andrea Guarnieri Cremona, Anno 1654.
Diagrams of the joints between Body and Neck No.16 / Viola – Senza etichetta – Terminus post quem 1717.
“Forged Iron Nails” Thomas Balestrieri Violin, Mantua 1777年
“Forged Iron Nail” An ancient Violin from Mittenwald.
“Forged Iron Nail” Joseph Klotz II ( 1771–1831 ) Violin, Mittenwald 1821年
R. Paesold Violin ( Model No. 811 ), Bubenreuth 1992年、 “Adaptation” November 16, 2024, Tokyo.
Gio Batta Morassi( 1934-2018 ) Violin, 1994年
Bass-bar height 14.0mm / Weight of the top plate 81.5g ( including bass bar 4.9g ) Fingerboard 68.0g / Nut 1.0g
Head( after tuning peg holes ) and neck 71.0g
Total neck weight 140.0g
Weight without parts 405.0g ● Weight without chinrest 455.0g
Total weight with chinrest 521.0g
ともあれ、表板設定などにより… 絶不調に陥っていたヴァイオリンを、最良のレスポンスや響きが生じるようにとのことでしたので、私にとって この時の仕事は難問でした。 2021年 Bass-bar height 13.4mm / Weight of the top plate 81.0g ( including bass bar 4.4g )
そして 熟慮の末に、高さ14mmであったバスバーを 高さ13.4mmのものに入れ替え、想定したような性能で仕上げました。2025年 Bass-bar height 14.8mm / Weight of the top plate72.7g ( including bass bar 6.1g )
2025年 November 15, 0:18 Bass-bar height 14.8mm / Arch height 16.0mm / Weight of the top plate72.7g ( including bass bar 6.1g ) It is perpendicular to the surface on the F-hole side.
Joseph Naomi Yokota Cello, Tokyo anno 2025 / Arch height 32.0mm / Bass-bar height 29.6mm Antonio Stradivari Cello, “The Stauffer-ex Cristiani”
VIENNA micro-CT LAB / “Old violin” Antonio Stradivari Cello, “The Stauffer-ex Cristiani”, 1700年
Method book “Violoncell Schule”, 1839年著 / Bernhard Heinrich Romberg ( 1767-1841 ) June 26, 2024 / 12:42 I made a “bass bar” for a violin.
ところで バスバー設定は、外から確認しにくいので演奏者に問題とされることは少ないようですが、2024年にバスバーを製作したこの楽器のように、実際にはヴァイオリンやチェロの不調の原因となっている場合も多いようです。
Charles J. Rufino / Long island, New york : Viola( 402mm ) 2008. Bass-bar height 14.9mm / Bass-bar thickness 6.0mm / Weight of the top plate101.1g / Weight without parts 530.0g ● Weight without chinrest 592.0g
Viola( 402mm ) Bass-bar height 15.0mm / Bass-bar thickness N5.4mm – B5.6mm –E5.5mm / Weight without parts 495.0g
● Weight without chinrest 555.4g これが、2013年12月に “自由ヶ丘ヴァイオリン”において 製作したバスバーです。このビオラは 私が定期整備を担当しており、2026年現在でも良好なレスポンスや響きを発揮しています。
Grand Piano by “BLÜTHNER” Leipzig, 1870年頃Grand Piano by “Maison Erard” Paris, 1891年Grand Piano by “Maison Erard” Paris, 1897年 Grand Piano by “Maison Erard” Paris, 1906年
( Custom-made with the chrysanthemum crest. ) ° Grand Piano by “Erard” Paris, 1914年º Grand Piano by “Erard” Paris, 1914年
● Let’s go back two months. 2020年 Violin, September 25, 2025 / 9:27
I started remodeling on this day. Weight without parts 375.0g 2020年 Violin, September 27, 2025 / 15:26Gio Batta Morassi( 1934-2018 ) Violin, 1994年 Body weight 265.0g ( Weight of the back side body 183.5g ) 2020年 Violin, September 24, 2025 / 18:22 Body weight 239.5g ( Weight of the back side body 156.5g ) 2020年 Violin, September 24, 2025 / 18:46 Fingerboard 70.6g / Nut 1.0g
Head( after tuning peg holes ) and neck 64.7g Total neck weight 136.3g 2025年 Tokyo. October 8, 2025 16:48 Fingerboard 51.0g / Nut 0.6g
Head( after tuning peg holes ) and neck 56.9g
Forged iron nails 3.75g → Neck side( estimated ) 1.5g Total neck weight 110.0g November 16, 2025 / 15:51 Body weight 220.0g ( Weight of the back side body 147.3g )
2025年 Tokyo. The thinnest zone is 2.1mm, and the thickest zone is 3.7mm.November 8, 2025
● 因みに、私が製作したこのバスバーには”仮想交差節”が 6カ所あります。 November 08, 2025 / 11:44 Weight of the top plate72.7g ( including bass bar 6.1g )
November 14, 2025 20:22 / Weight of forged iron nails 40.8mm-1.6g / 30mm-1.12g / 26.7mm-1.03g Total 3.75gNovember 14, 2025 21:01 November 14, 2025 21:02 November 14, 2025 21:03 November 14, 2025 21:04November 14, 2025 21:06 November 14, 2025 21:06 November 14, 2025 21:13 November 14, 2025 21:14 November 14, 2025 21:20 November 14, 2025 21:21 November 14, 2025 21:22 November 14, 2025 21:24
November 13, 2025 / 11:21 Body weight 220.0g November 17, 2025 / 14:36 Weight ( without parts ) 330.0g November 28, 2025 : Violin completed
Weight without parts 330.0g ● Weight without chinrest 371.1g
November 30, 2025 / 17:47 Total weight 415.6g ( Includes chin rest 46.0g )November 30, 2025 / 17:48
November 30, 2025 17:49
Total weight 415.6g ( 369.6g+Chinrest 46.0g / Dominant strings & 0.26 Gold brokat E )
The 14.8mm bass bar violin was handed over to the violinist on December 2nd. It will then be used next Wednesday ( December 17th ) from 7pm for a concert of Ravel and Debussy sonatas and piano trios. I’m looking forward to enjoying the sound of the violin from my seat in the hall.
December 17, 2025
December 17, 2025 / 13:10
Preparations for the concert begin.
The air conditioner, which has just been turned on, it makes a driving noise.