Philharmonic organ is comprised of facade, a space with a set of organ pipes, a remote console with bench, and a device for reading paper music rolls. The facade is made of wood in the Gothic style and consists of three sections, with groups of decorative silver-coloured pipes located in the pointed arches of the upper parts and blind panels in the lower parts.

There are eight pipes in the middle section and seven in each of the side sections. The sections are separated by pilasters topped with castellations, and there are three decorative pipes in each of the upper and lower niches of the pilasters. The façade stepped top is decorated with goldish carved elements. More than 970 pipes, including flue pipes and reed pipes, wooden and metal pipes, orchestra bells and metallophone, assembled into fourteen registers and connected by air ducts to an electric compressor and three bellows-receivers. Two sections of channels are installed in the upper part of the front wall to adjust the sound volume. The channels are controlled by two electromechanical units.

The console, made of black wood, with a music stand stands in front of the facade. The control panel contains two manuals with sixty-one keys each and a foot keyboard with thirty-two keys. Register and switches, indicator lights and red preset button are above the manual. A two-key switch for the console lighting is on the right; activating buttons for the unison – the simultaneous sounding of two or more notes of the same pitch or identical notes in different octaves, with corresponding labels and plates. Pull-out drawers with switch panels, on which sets of registers – presets are pre-installed on both sides of the manuals. The presets are activated by white buttons numbered from 1 to 7, located under the manuals, with a reset button for the ‘C’ switches on the left. Two expression control pedals with labels reading ‘EXPRESSION’ and ‘CRESCENDO’ are above the foot keyboard; as well as several levers for connecting the metallophone, bells, and sforzando with corresponding labels.

A cabinet with reading device and replaceable paper music rolls on the shelves is to the left of the console. A reading device in the form of a rack- carousel with ten paper music rolls, closed by transparent dark glass doors. Selection unit is to the right of the rack; electronic unit for tour guides is to the left. The console and reading device are connected to the control computer via multi-core cables. While reproducing music from paper rolls, an original automatic channel control unit with four command options is used.

The philharmonic organ, named Kimball-Welte after the sale of the Welte factory to W.W. Kimball, was installed in a private residence in the 1930s and made it possible for the owners and guests to enjoy orchestral and organ music not only performed by an organist, but also recorded on paper music rolls. In addition to the traditional set of pipes, there are additional instruments: orchestral bells and a metallophone, which expand the melodic capabilities of the organ. Originally equipped with an electro-pneumatic action, the organ underwent a complete restoration, which was completed in August 2020. It now has an electronic control system and is used for concerts. The first concert took place on 19 May 1921. Originally equipped with an electro-pneumatic key action, the organ undergone a complete restoration, which was completed in August 2020. It now has an electronic control system and is used for performance in concerts. The first concert took place on May 19, 1921.
The set includes a bench for the organist and 76 paper music rolls with a width of 38.7 cm.

Music media: paper music roll.

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