The Antonín Dvořák Theatre

Sound room for main stage

It serves for sounds operations on the main stage of the Antonín Dvořák Theatre. It is placed in the first floor of the building and the connection with the stage is provided by highly authentic sound monitoring from the stage and by colour and black-white cameras of industrial television, which manages even unusual light conditions on the stage. It is equipped with a mixing console Yamaha Promix R02, 16 IN mic/line, 4IN stereo line, 8 GROUP out for installed P.A., main stereo output for recording, programmed matrix outputs TOA 8x16 etc.)

Signal sources are usual: 3 pcs. MD recorder Denon DN 990, cassette recorder, DAT, CD player DENON, SW player in PC platform etc. Apart from two effect routes in the mixing console there are also other sound processors available: echoes, dynamics compressors, sound feedback restrictors etc.

Microphone lines are situated on all the stage, proscenium, in the orchestra pit and also in the audience. There is also a link connection available for radio and TV broadcasting located at the emergency exit from the stage. 24 lines join the sound room with the recording studio, from where the so-called „behind scene“ music and singing broadcasting has often been executed.
Stage and orchestra pit recording is realised by four permanent microphones situated in the front and rear stages, the orchestra pit is recorded by 4 microphones placed in a panelling of the orchestra pit.

It is possible to use portable microphones (dynamic and condenser - AKG, Sennheiser, plenty of them.) Apart from this, it is possible to use micro-ports (8 channels, D.A.I.S.Y system) either as a "hand" or as a "body". All the stage is covered by signal, as well as the orchestra pit and the auditorium.
Output amplifiers and reproducers

There are 4 reproducer sets installed on the stage, for sound monitoring (4x250W) and for sound engineering (4x600W). It is also possible to wherever attach portable active repro-cases. All reproducers have been made by Montarbo company. The sound monitoring for the orchestra conductor is provided by Yamaha reproducer, located in the panelling of the orchestra pit. .
The sounding of the stage is provided also by repro-sets Montarbo with subwoofers in portals with output of 2x2500W, there are also reproducers in proscenium available and on the rear wall of the stage. (6 channels, co. Boss). Reproducers are placed also in the stage ceiling - Montarbo 350W.

All reproducers all frequentially and timely coordinated with digital audio-processors, a power supply is provided by reliable power amplifiers, made mainly by company CROWN. They are placed in the room of power output amplifiers. 

Television circuits, communication and signalisation

There are 6 TV monitors installed containing a picture of a conductor, others can be added. Around the stage and in the facility rooms of the theatre there are lots of monitors, on which it is possible to choose four out of six TV cameras in the auditorium, orchestra pit, studio and in rehearsal rooms. Monitors may be connected also to other place: in the auditorium, orchestra pit, foyer, etc.

Supervision work room is situated in the left portal of the stage, it has a loud connection and a light signalisation with all technical work rooms, announcement system into dressing rooms, sound monitoring and a TV monitor. From this place, the entry light signalisation is controlled, distributed around the stage, orchestra pit, trap, the auditorium and in surrounding halls. It is not portable.

The connection among technical work rooms (light, sound, video, technologies), rehearsal rooms, studios, direction console in the auditorium and ballet studios is provided by loud contact system NAXOS. From authorised stations it is possible to make announcements to the stage, dressing rooms and to the auditorium. 
Video cutting room

Its target is to produce study, archives and "demo" video-recordings and to provide video-projections on the screen. Apart from a linear cutting panel, it contains also a non-linear cutting facility in PC in DVD format. The output media is usually in a form of a DVD, but it is also possible to work with S-VHS, VHS and similar formats in PAL and NTSC norms. The room has both the picture and sound connection for both types of recordings. We also use a semi-professional digital camera SONY DV and a portable video-projector LIESGANG 1500 lumens ANSI.


There is transportable video-projector SHARP (800 lumen ANSI) available. It is powered by signal from a small video work room in a sound room, where there are also editing consoles, a DVD recorder and a VHS player.