1. 서론
The Midas MICROPHONE PREAMPLIFIER 502 is a high-performance, compact 500 Series premium microphone/line preamplifier. It incorporates award-winning Midas amplifier technology, enhanced with quad discrete ultra low noise input transistors, delivering exceptional audio fidelity.
This module features the legendary Midas input, allowing signal levels up to +24 dBu without the need for a pad, while maintaining its much-loved soft clipping characteristic. It also includes classic Midas XL4 swept low and high pass filters with independent selection switches, providing precise tonal shaping. A switchable twin aux balanced output offers mic/line splitter capability when installed in compatible Midas L6 or L10 racks.
그림 1.1: 전면 view of the Midas MICROPHONE PREAMPLIFIER 502, highlighting its input, gain, filter, and output controls.
2. 중요 안전 지침
Please read these instructions carefully before operating your Midas MICROPHONE PREAMPLIFIER 502. Keep this manual for future reference.
- 이 기기를 비나 습기에 노출시키지 마십시오.
- 환기구를 막지 마십시오. 제조업체의 지침에 따라 설치하십시오.
- 라디에이터, 난방 조절기, 스토브 또는 기타 장치(다음을 포함)와 같은 열원 근처에 설치하지 마십시오. amp열을 생성하는 발전기.
- 제조사가 지정한 부속품/액세서리만 사용하세요.
- 모든 서비스는 자격을 갖춘 서비스 담당자에게 의뢰하십시오. 전원 코드나 플러그가 손상되었거나, 액체가 쏟아졌거나, 물체가 기기에 떨어졌거나, 기기가 비나 습기에 노출되었거나, 정상적으로 작동하지 않거나, 떨어졌을 때와 같이 기기가 어떤 식으로든 손상된 경우 서비스가 필요합니다.
- This product is designed for professional audio applications and should be installed by qualified personnel.
3. 상자 안에 무엇이 들어있나요?
Upon unpacking your Midas MICROPHONE PREAMPLIFIER 502, please ensure all components are present and in good condition:
- 미다스 마이크 프리AMPLIFIER 502 module
- 빠른 시작 가이드/안전 정보
- 보증 등록 카드
누락되거나 손상된 품목이 있는 경우 즉시 대리점에 문의하십시오.
4. 설정
The Midas MICROPHONE PREAMPLIFIER 502 is a 500 Series module designed to be installed into a compatible 500 Series rack or chassis (e.g., Midas L6 or L10 racks).
4.1 Installation into a 500 Series Rack
- Ensure your 500 Series rack is powered off and disconnected from the mains supply.
- Carefully align the edge connector of the 502 module with an available slot in your 500 Series rack.
- Gently but firmly push the module into the slot until it is fully seated. Do not force the module.
- Secure the module to the rack using the provided screws (typically two per module) through the faceplate.
- Once all modules are installed, reconnect your 500 Series rack to the mains supply and power it on.
그림 4.1: 각도 view of the Midas MICROPHONE PREAMPLIFIER 502, illustrating its form factor for 500 Series rack installation.
4.2 오디오 연결
The 502 module receives its input and sends its output via the 500 Series rack's backplane connections. Refer to your 500 Series rack's manual for specific input/output patching details.
- Microphone/Line Input: Connect your microphone or line-level source to the corresponding input on your 500 Series rack's rear panel.
- 산출: Connect the output of your 500 Series rack to your mixing console, audio interface, or other processing equipment.
- Aux Output (if applicable): If using a Midas L6 or L10 rack, the switchable twin aux balanced output provides additional routing flexibility.
5. Operating the Midas 502
The Midas 502 offers intuitive controls for precise microphone and line-level signal conditioning.
5.1 전면 패널 컨트롤
- INPUT (Rotary Knob): Adjusts the input level of the signal. The meter above indicates the input signal level.
- GAIN (Rotary Knob): 의 양을 제어합니다. amplification applied to the input signal.
- LOW PASS (Rotary Knob): Swept low pass filter control, allowing you to cut high frequencies. Range: 3 kHz to 15 kHz.
- HIGH PASS (Rotary Knob): Swept high pass filter control, allowing you to cut low frequencies. Range: 10 Hz to 400 Hz.
- TRIM (Rotary Knob): Fine-tunes the output level of the preamplifier. The meter above indicates the output signal level.
- 48V (Button): Engages +48V phantom power for condenser microphones. An indicator light illuminates when active.
- IN (Button - Phase): Inverts the phase of the input signal (180 degrees). An indicator light illuminates when active.
- IN (Button - Filter Bypass): Bypasses the low and high pass filters. An indicator light illuminates when active.
- TX (Button): Activates the transformer output, providing a distinct sonic character. An indicator light illuminates when active.
- Mic/Line (Switch): Selects between microphone and line-level input impedance and gain stag주고받음.
그림 5.1: 상세 view of the Midas MICROPHONE PREAMPLIFIER 502 front panel controls.
5.2 Basic Operation Workflow
- Connect your microphone or line source to the appropriate input on your 500 Series rack.
- 설정하다 마이크/라인 switch according to your source.
- If using a condenser microphone, engage the 48V 팬텀 파워.
- 로 시작하세요 얻다 그리고 입력 knobs at their minimum settings.
- 점차적으로 증가시키다 얻다 until you achieve a healthy signal level on the input meter, avoiding clipping.
- 조정하다 저역 통과 그리고 하이 패스 filters as needed to shape the tone and remove unwanted frequencies.
- 사용하세요 IN (Phase) button if phase correction is required.
- 참여하세요 TX button for transformer coloration if desired.
- 사용하세요 손질 knob to fine-tune the output level to your next device in the signal chain.
6. 유지관리
The Midas MICROPHONE PREAMPLIFIER 502 is designed for reliable operation with minimal maintenance.
- 청소: 부드럽고 마른 천을 사용하여 기기 외부를 닦으세요. 연마성 세제나 용제를 사용하지 마세요.
- 통풍: Ensure that the ventilation slots on your 500 Series rack are not obstructed to prevent overheating.
- 저장: When not in use for extended periods, store the module in a cool, dry place, ideally within its original packaging or a protective case.
7. 문제 해결
If you encounter issues with your Midas MICROPHONE PREAMPLIFIER 502, refer to the following common troubleshooting steps:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 오디오 출력이 없습니다 |
|
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| 왜곡된 오디오 |
|
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| 험 또는 소음 |
|
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If the problem persists after trying these steps, please contact Midas customer support or an authorized service center.
8. 사양
| 특징 | 사양 |
|---|---|
| 품목 무게 | 8.25파운드(3.74kg) |
| 제품 크기(L x W x H) | 6.85 x 1.5 x 5.2인치(17.4 x 3.8 x 13.2cm) |
| 모델 번호 | 마이크 프리AMP라이터 502 |
| 입력 유형 | Microphone / Line |
| 팬텀 파워 | +48V 전환 가능 |
| 필터 | Classic XL4 Swept Low Pass (3k-15k), High Pass (10Hz-400Hz) |
| 산출 | Standard 500 Series Output, Switchable Twin Aux Balanced Output (with compatible racks) |
| 첫 번째 가능한 날짜 | 3년 2020월 XNUMX일 |
그림 8.1: 후면 view of the Midas MICROPHONE PREAMPLIFIER 502, displaying manufacturing and serial information.
9. 보증 및 지원
Midas products are built to the highest standards and come with a limited warranty. Please refer to the warranty card included with your product or visit the official Midas web자세한 보증 약관은 해당 사이트에서 확인하세요.
For technical support, service, or spare parts, please contact your authorized Midas dealer or visit the Midas support page online. When contacting support, please have your product model number (MICROPHONE PREAMPLIFIER 502) and serial number ready.
Official Midas Web대지: www.midasconsoles.com
