State-of-the-Art electronic systems that operate and cooperate with pipe organs

Merging technology with tradition, we achieve the delicate balance of building a versatile and user-friendly 

instrument with rock-solid stability and easy serviceability in the future. Today's control

systems are upgradeable, therefore as computer technology advances, 

your pipe organ will not be left out in the cold.

 

Organ Solid State Components

 

 

 

Multiplex system backplane,

Ahlborn digital  module, 

amplifier and organ DC rectifier.

 

 
Switching Systems
Our basic switching system consists of basic transistor logic circuits; components that are available at any local Radio Shack.  While this type of system is extremely reliable, it is large by today's component standards, and is labor intensive to build and install. Typically, we configure these switching systems for existing organs upgrading from earlier mechanical relays, or smaller instruments with minimal configurations.
Multiplex Control Systems
For new installations, or larger complex installations, we specify a multiplex system for keying and stop control. This type of installation requires only a simple computer-grade LAN (8 conductor) cable to connect the console to the organ chamber. Changes in specification require simple reprogramming, saving hours of technical re-working.
Combination Action
We offer solid-state combination action systems, of course for new installations, but for reconstruction projects as well. A smoothly operating combination action allows an organist freedom from concern about registration changes, and this seemingly small item does make a difference! Systems are designed for each installation, from a small single-level memory system, eight levels, twenty-five levels, and beyond. In conjunction with a disk drive, there are unlimited combination memories available. This type of system would be desirable in a school or large church with multiple organists.
MIDI 
The advent of MIDI to the organ world has changed everything. Forever.  MIDI allows many different options to the performer, but for brevity' sake, its primary job in the instruments we have built is two-fold.  First, to interface digital stop modules to the pipe organ, and secondly to allow the installation of a record/playback device. 
Record/Playback Interface:  Sequencer
Once an organ is equipped with MIDI, we can install a sequencer to allow the storage and retrieval of performance on standard computer disks. There are a few different options for sequencers, the most common being the industry standard Yamaha MIDI data filer. This device has a small footprint, is economical and is very user-friendly. Another option is to connect a personal computer to the organ. While all MIDI files can be edited with a computer, this option allows direct, real-time editing, but is somewhat more bulky, and not often practical.
Digital Stops
There are installations where we  would prefer to include any number of stops in a tonal specification, but due to space or other considerations, we are unable.  Perhaps an older instrument could be significantly improved with the addition of a few selected stops, but again limitations of resource do not allow. These are but a few instances where the use of digital stops is indicated. Following the guidelines of the American Institute of Organbuilders, we do not allow the tonal scheme to be hinged on the digital voices, but the organ would sufficiently stand on its own with speakers disconnected.  
Blower Control Systems
A seemingly minor issue, we offer complete solid-state motor starters for most organ blowers. This type of control requires only a small-signal cable to be connected to the console, and in smaller spaces, the solid state contactor is perfectly silent, rather than hearing the great "klunk" of an old mechanical relay.

 

 

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