After the purchase you will receive a download link within 24 hours after the purchase via an ebay message. The Korg TR-Rack is a rack-mounted synthesizer module that was released in the early 2000s. Here are some key features and specifications of the Korg TR-Rack: 1. **Synthesis Engine:** The TR-Rack features a powerful synthesis engine based on Korg's acclaimed TRITON workstation synthesizer. It offers a wide variety of high-quality sounds and presets covering a range of musical styles. 2. **Sample Playback:** It includes sample playback capabilities, allowing users to load and play back their own samples or use the built-in sample library. 3. **Effects Processing:** The TR-Rack includes a comprehensive effects section with a variety of digital effects such as reverb, delay, chorus, flanger, and more. These effects can be applied to individual sounds or the overall mix. 4. **Multi-timbral Operation:** It supports multi-timbral operation, allowing users to play and layer multiple sounds simultaneously across different MIDI channels. 5. **Expandability:** The TR-Rack features expansion slots for adding additional sound expansion boards, allowing users to further expand the sound palette and capabilities of the module. 6. **MIDI Connectivity:** It includes MIDI connectivity, allowing it to be controlled and sequenced by external MIDI devices such as keyboards, sequencers, and computers. 7. **User Interface:** The TR-Rack features a straightforward user interface with dedicated knobs and buttons for quick and easy sound editing and parameter adjustment. 8. **Rack-Mountable:** As the name suggests, the TR-Rack is designed to be rack-mounted in a standard 19-inch equipment rack, making it ideal for studio and live performance setups. Overall, the Korg TR-Rack is a versatile and powerful synthesizer module that offers a wide range of sounds and features for musicians, producers, and sound designers. A service manual is a comprehensive document that provides detailed instructions, procedures, and guidelines for maintaining, repairing, and servicing a particular product, equipment, or machinery. It typically includes technical specifications, diagrams, troubleshooting steps, and other relevant information to assist technicians or users in performing tasks effectively and efficiently.