The main processor of the  Classic Organ Works (Maestro) pipe organ control system.

 

Description

The Console Control Computer (Intel SBC running the Linux OS, and the Classic Maestro Application) controls all of the functions found on an organ console. It reduces the complexity of pipe organs by eliminating all traditional coupler relays, or diode couplers, replacing them with electronic action, while providing full combination action, keying, and coupling functions. In particular, the wiring between the organ console and chambers is reduced to a single Ethernet cable or may even be wireless (WiFi)! The numerous features of the Maestro software and hardware, make it an extremely flexible system, easily accommodating any type of organ - even multiple console installations. 

The flexibility is derived from the software-based nature of the Maestro system. It can be configured to provide any complement of General and Divisional pistons, Cancels, Coupler Reversibles, Manual-to-Pedal Piston Couplers, Lighted-Reversible pistons (for special control functions such as Zimbelstern, etc.) and any other special functions that can be logically defined. It has multiple user capability, with multiple memory levels, multiple programmable Sforzandos (Full Organ), Ventil reversibles, a programmable Registration Sequencer (or Piston Sequencer), and a multi-memory programmable Crescendo pedal. 192 pistons, 288 stops, 5 manuals plus pedals, and 5 expression shoes, can be accommodated in one "grey-box" without any add-on expansion boards. Combinations and set-up data are stored in non-volatile memory (SSD) to retain data. ALL functions (such as specific stops affected by a Ventil or by a Divisional piston) can be configured (by the organist or organbuilder) directly from the console, or via the Internet from anywhere ins the world. 

The Console Control Computer would normally be housed inside the console "grey-box", which includes the wiring "pin-board" where all stop & coupler rocker tabs or drawknobs, pistons and toe studs, and keys, would be connected.

USB-based I/O connections may also be used.   Classic USB-interfaced optical switch rails may be connected directly to the compute.  These also provide inputs for pistons, so no separate wiring is needed.   Classic CMK keyboards, which include pistons, may also connect via USB.   Classic LED Lighted Rocker Tab (LRT) boards may also be connected via USB.  In fact, it is possible to build a complete low-cost console, using the Intel SBC installed in a conventional mini-case, and Classic CMK keyboards, Classic MIDI Pedalboard, and LED LRT stop controls, without the need to include the console "grey-box".

All organ control features which are available in our Legacy systems, are also available on the new Maestro systems, including internal record/playback.   The major difference is connectivity (via WiFi and Internet) and unlimited capacity to process data for the largest pipe organs.

 

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