1. 서론
The miniDSP Flex Balanced TRS 2x4 is a versatile digital signal processor designed for a wide range of audio applications. It functions as a compact digital stereo preamplifier, an optimizer for subwoofers, an enhancer for active speakers, and a core component for home theater and recording studio setups. Its flexible design allows for extensive customization and integration into various audio systems.
2. 주요 특징
- Processor: 32-bit floating-point 400MHz Analog Devices SHARC DSP
- Multi-Core USB Audio processor (XMOS)
- Bluetooth streaming: LDAC/aptX HD/aptX/AAC/SBC
- Audiophile performance: SNR@120dB(A), THD+N @ -110dB (0.0003%)
- White/Black OLED front panel controller with IR control
- Compatible with miniDSP's Device Console
3. 패키지 내용
Before proceeding with installation, please verify that all items listed below are present in your package.
- miniDSP Flex Balanced TRS 2x4 Unit
- Power Adapter with interchangeable international plugs
- USB 케이블
- 원격 제어
- 사용 설명서 (본 문서)
4. 제품 오버view
4.1 전면 패널
그림 4.1: 전면 view of the miniDSP Flex Balanced TRS 2x4
This image displays the front of the miniDSP Flex unit. It features a prominent rotary encoder for volume control and menu navigation, along with a clear OLED display that shows current volume level, active input, and selected preset.
4.2 후면 패널
그림 4.2: 후면 view of the miniDSP Flex Balanced TRS 2x4
This image illustrates the rear panel of the miniDSP Flex, detailing its connectivity options. It includes the DC power input, power switch, USB port for audio and control, S/PDIF coaxial and optical digital inputs, and four balanced TRS outputs, along with two balanced TRS inputs.
4.3 전원 어댑터
Figure 4.3: Power Adapter with International Plugs
This image shows the universal power adapter supplied with the miniDSP Flex, complete with various interchangeable plug adapters to ensure compatibility with different regional power outlets.
5. 설정 가이드
5.1 Step 1: Unpacking and Placement
Carefully remove the miniDSP Flex unit and all accessories from the packaging. Place the unit on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the unit.
5.2 Step 2: Power Connection
Connect the provided power adapter to the "DC 12V" input on the rear panel of the miniDSP Flex. Select the appropriate international plug adapter for your region and attach it to the power adapter. Plug the power adapter into a suitable wall outlet. Do not power on the unit yet.
5.3 Step 3: Audio Connections
Identify the audio sources and destinations for your setup.
입력 연결
- For digital sources, connect your S/PDIF coaxial or TOSLINK optical cables to the corresponding inputs on the rear panel.
- For analog sources, connect your balanced TRS cables to the "INPUTS 1-2" ports.
- For USB audio from a computer, connect a USB cable from your computer to the "USB Audio & Control" port.
출력 연결
- Connect your powered speakers, amplifiers, or other audio destinations to the "OUTPUTS 1-4" using balanced TRS cables.
5.4 Step 4: Initial Power On
Once all connections are secure, flip the "PWR" switch on the rear panel to the ON position. The OLED display on the front panel should illuminate.
6. 사용 설명서
6.1 전면 패널 컨트롤
로터리 엔코더
The large rotary knob on the front panel serves multiple functions:
- 마스터 볼륨 레벨을 조정하려면 회전합니다.
- 이 버튼을 눌러 오디오를 음소거/음소거 해제하세요.
- Press and hold to enter the menu system for input selection, preset recall, and other settings.
OLED 디스플레이
The OLED display provides real-time information on volume, active input, selected preset, and menu navigation.
6.2 리모컨
The included IR remote control allows for convenient operation from a distance, including volume adjustment, input switching, and preset recall. Refer to the remote's specific button layout for detailed functions.
6.3 입력 선택
To change the active audio input, press and hold the rotary encoder to enter the menu, then navigate to "Input Select" and choose your desired source (e.g., USB, S/PDIF, TOSLINK, Analog 1-2).
6.4 프리셋 관리
The miniDSP Flex supports multiple user-definable presets. These presets store configurations such as equalization settings, crossover points, and volume levels. Access and recall presets via the front panel menu or remote control.
7. Software Configuration (Device Console)
The full potential of the miniDSP Flex is unlocked through the miniDSP Device Console software, available for download from the official miniDSP web대지.
- Connect the miniDSP Flex to your computer via the USB cable.
- Install the miniDSP Device Console software on your computer.
- Launch the software and connect to your Flex unit.
- The Device Console provides a graphical interface for:
- Parametric Equalization (PEQ)
- Crossover configuration
- Gain adjustments
- Delay and phase alignment
- 입출력 라우팅
- Saving and loading configurations (presets)
For detailed instructions on using the Device Console, please refer to the software's dedicated user guide available on the miniDSP web대지.
8. 유지관리
- 청소: 부드럽고 마른 천을 사용하여 기기 외부를 닦으세요. 액체 세척제나 에어로졸은 사용하지 마세요.
- 통풍: Ensure that the ventilation slots on the unit are not blocked to prevent overheating.
- 펌웨어 업데이트: Periodically check the miniDSP website for firmware updates. Updates can provide new features, performance improvements, or bug fixes. Follow the instructions provided with the firmware update carefully.
9. 문제 해결
9.1 전원 없음
- Ensure the power adapter is securely connected to the unit and the wall outlet.
- Verify the "PWR" switch on the rear panel is in the ON position.
- 벽면 콘센트가 작동하는지 확인하세요.
9.2 오디오 출력 없음
- Verify that the correct input source is selected on the miniDSP Flex.
- Check all audio cable connections (inputs and outputs) for secure fit.
- Ensure the volume level is not muted or set too low.
- Confirm that your connected amp앰프/스피커는 전원이 켜져 있고 정상적으로 작동하고 있습니다.
- Check the routing within the miniDSP Device Console software.
9.3 왜곡된 오디오
- Check for proper gain staging throughout your audio chain to avoid clipping.
- 모든 케이블이 양호한 상태이고 제대로 연결되어 있는지 확인하세요.
- If using digital inputs, verify the sample rate and bit depth compatibility.
9.4 Unit Not Recognized by Computer (USB)
- Ensure the USB cable is securely connected to both the miniDSP Flex and your computer.
- 컴퓨터의 다른 USB 포트를 사용해 보십시오.
- Reinstall the miniDSP Device Console software and any necessary USB drivers.
- 컴퓨터를 다시 시작하세요.
10. 사양
| 특징 | 세부 사항 |
|---|---|
| 프로세서 | 32-bit floating-point 400MHz Analog Devices SHARC DSP |
| USB 오디오 프로세서 | Multi-Core XMOS |
| 블루투스 | LDAC/aptX HD/aptX/AAC/SBC |
| 신호 대 잡음비 (SNR) | >120dB(암페어) |
| 총 고조파 왜곡 + 노이즈(THD + N) | <-110dB(0.0003%) |
| 전면 패널 | White/Black OLED with IR control |
| 입력 | Balanced TRS (2), S/PDIF Coaxial (1), TOSLINK Optical (1), USB Audio |
| 출력 | Balanced TRS (4) |
| 전원 공급 장치 | 12V 직류 |
| 호환성 | miniDSP Device Console |
11. 안전 정보
- 장치를 물이나 과도한 습기에 노출시키지 마십시오.
- 본체를 열려고 시도하지 마십시오.asing. 내부에는 사용자가 수리할 수 있는 부품이 없습니다.
- 제공된 전원 어댑터만 사용하세요.
- 장치를 강한 자기장으로부터 멀리 두십시오.
- 천둥번개가 칠 때나 장기간 사용하지 않을 때는 전원을 차단하십시오.
