Features Moeck 4599 Rottenburgh Bass Recorder, Maple Wood Description Product Description Moeck 4599 Rottenburgh Bass Recorder Set with 2 middle sections, 442Hz and 415Hz 4599 Rottenburgh bass set with 2 middle sections, 442 hz + 415 hz. Immensely popular range of recorders originally designed by Friederich von Huene after models by Belgian maker Jean-Hyacinth-Joseph Rottenburgh (1672-1756). Versatile, reliable and used by all levels of players who enjoy instruments made to consistently high standards. They are without doubt the world's most successful recorder series and remain one of our best sellers. Recent revisions with the Rottenburgh series have seen an improved bore for a pure and balanced tone in all registers, a narrower windway entrance and a wider exit resulting in an even more sonorous low register, clearer high register, improved response and a greater dynamic potential. Improved sturdy keywork for low F/F#. Maple - European, hard, fine grained, porous and resilient. Specific density approx. 0.63. Soft fundamental tone. Impregnated, no need for further oiling. With case, cleaning rod and cloth, vaseline and certificate.