1. 서론
The Donner ESSENTIAL L1 is a monophonic analog synthesizer designed for musicians and sound designers. It features a vintage-inspired analog sound engine, a 64-step sequencer, and the innovative S2C Magnetic Modular System for versatile configurations. This manual will guide you through understanding and utilizing its full capabilities.

그림 1: 전면 view of the Donner ESSENTIAL L1 Synthesizer, showcasing its control panel and compact design.
2. 주요 특징
2.1빈tage-Inspired Analog Sound
The ESSENTIAL L1 is powered by classic 3340 VCO and 3109 VCF chips, enabling it to recreate iconic monophonic tones suitable for bass lines and lead melodies. The true analog signal path ensures rich and authentic sound generation.

Figure 2: Diagram illustrating the analog signal path with 3340 VCO, 3109 VCF, and 662 VCA components.
2.2 S2C Magnetic Modular System
The Snap2Connect (S2C) system allows seamless switching between desktop and keyboard modes. This magnetic connection facilitates easy setup and transition between various performance environments, offering modular freedom without extra cables.

Figure 3: The ESSENTIAL L1 module shown magnetically connected to a KB-32M keyboard, highlighting the S2C system.
2.3 Powerful Modulation Section
Equipped with two ADSR envelope generators and a syncable LFO, the ESSENTIAL L1 provides rich modulation sources for expanded tonal possibilities. The DRONE mode for the VCA is useful for ambient sound design or processing external audio.

그림 4: 상세 view of the modulation controls, including ADSR envelopes and LFO.
2.4 Integrated Creative Engine
The synthesizer features a 64-step sequencer with SONG mode, allowing for 128 pattern memories and up to 32 songs. A 5-mode customizable arpeggiator further enhances creative performance, including a Trigger Edit feature for unique patterns.

Figure 5: The sequencer and arpeggiator section with controls for pattern memory and song mode.
2.5 Pro Studio Connectivity
The ESSENTIAL L1 offers extensive connectivity options, including CV/GATE/SYNC I/O for modular gear, EXT. IN for audio processing, and MIDI over USB-C/TRS. This ensures seamless integration into various studio and live setups.

그림 6: 이상view of the connectivity ports, including EXT. IN, MIDI I/O, SYNC I/O, and CV/GATE Output.
3. 설정
3.1 전원 켜기
Connect the provided USB-C cable to the ESSENTIAL L1 and a compatible power source (e.g., USB power adapter, computer USB port, or power bank). Ensure the power switch is in the 'ON' position. The OLED display will illuminate, indicating the device is ready.
3.2 오디오 연결
For audio output, connect headphones to the PHONES jack or use the MAIN OUT to connect to an amplifier, mixer, or audio interface. The EXT. IN allows external audio signals to be processed through the synthesizer's VCF.
3.3 MIDI and CV/GATE Connections
Utilize the MIDI I/O (TRS, Type-A) for connecting to other MIDI devices. The USB-C port also supports MIDI over USB. For modular synthesis integration, connect compatible gear to the CV/GATE/SYNC I/O ports.
4. 사용 설명서
4.1 Basic Sound Generation
Adjust the VCO, VCF, and VCA parameters using the dedicated sliders and knobs to shape your sound. Experiment with the MODULATOR section to introduce movement and complexity to your patches.
4.2 Using the Sequencer
To create a sequence, enter notes using the integrated keyboard or an external MIDI controller. Use the sequencer controls to record, edit, and playback patterns. The SONG mode allows chaining multiple patterns for longer compositions.
4.3 Arpeggiator Functions
Activate the arpeggiator and select one of the 5 available modes (up, down, up & down, random, order). Adjust the rate and range to create dynamic arpeggiated melodies. The Trigger Edit function offers advanced pattern manipulation.
4.4 Real-time Control and Performance
The intuitive user interface with dedicated controls and an OLED display provides immediate feedback on every action. Utilize the GLIDE and MODULATION sections for expressive real-time performance.
Video 1: Demonstrates three synth sketches created with the Donner L1, showcasing its sound capabilities.
비디오 2: 오버view of the Donner ESSENTIAL L1 Synthesizer, highlighting its features and design.
Video 3: Explores the endless sound design possibilities when combining the Donner L1 with the KB32 keyboard.
5. 유지관리
To ensure the longevity and optimal performance of your Donner ESSENTIAL L1, follow these maintenance guidelines:
- 기기를 깨끗하고 매끄럽게 유지하려면 부드럽고 마른 천으로 닦아주세요. 연마성 세척제나 용제를 사용하지 마십시오.
- Protect the synthesizer from dust, moisture, and extreme temperatures.
- 제품 위에 무거운 물건을 올려놓거나 강한 충격을 가하지 마십시오.
- 과열을 방지하려면 적절한 환기를 유지하세요.
6. 문제 해결
If you encounter any issues with your ESSENTIAL L1, refer to the following common troubleshooting steps:
- 전원 없음: Check the USB-C cable connection and ensure the power source is functional. Verify the power switch is in the 'ON' position.
- 소리 없음: Confirm that the volume knob is turned up. Check all audio cable connections. Ensure an active patch is selected and the VCA level is not at minimum.
- MIDI 응답 없음: Verify MIDI cable connections (TRS or USB-C). Check MIDI settings on both the ESSENTIAL L1 and your external device.
- Sequencer/Arpeggiator Issues: Ensure the sequencer/arpeggiator is enabled and tempo is set correctly. Check for any conflicting settings or modes.
추가적인 도움이 필요하시면 도너 고객 지원팀에 문의하십시오.
7. 사양
| 특징 | 사양 |
|---|---|
| 품목 무게 | 2.79파운드 |
| 패키지 크기 | 21.5 x 6.25 x 3.25 인치 |
| 품목 모델 번호 | ESSENTIAL L1 |
| 본체 소재 | 금속 |
| 커넥터 유형 | USB 타입 C |
| 재료 유형 | 나무, 금속, 플라스틱 |
| 모델명 | L1 Synthesizer |
| 제조업체 | 도너 |
8. 보증 및 지원
Donner provides a limited warranty for the ESSENTIAL L1 Synthesizer against defects in materials and workmanship under normal use. For specific warranty terms, registration, and technical support, please visit the official Donner web사이트 또는 고객 서비스 부서에 문의하십시오.
Contact information can typically be found on the product packaging or the Donner Music web대지: 아마존에서 도너 스토어를 방문하세요.





