MIDAS MICROPHONE PREAMPLIFIER 502

Папярэдні мікрафонны ўзмацняльнік MidasAMPLIFIER 502 User Manual

Model: MICROPHONE PREAMPLIFIER 502

1. Уводзіны

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.

Фронт view of the Midas 502 Microphone Preamplifier module, showing its blue faceplate with various knobs and buttons.

Малюнак 1.1: Спераду view of the Midas MICROPHONE PREAMPLIFIER 502, highlighting its input, gain, filter, and output controls.

2. Важныя інструкцыі па бяспецы

Please read these instructions carefully before operating your Midas MICROPHONE PREAMPLIFIER 502. Keep this manual for future reference.

  • Не падвяргайце прыладу ўздзеянню дажджу або вільгаці.
  • Не блакуйце вентыляцыйныя адтуліны. Усталюйце ў адпаведнасці з інструкцыямі вытворцы.
  • Не ўстанаўлівайце побач з крыніцамі цяпла, такімі як радыятары, абагравальнікі, пліты або іншыя прылады (у тым ліку ampLifiers), якія вырабляюць цяпло.
  • Выкарыстоўвайце толькі насадкі/аксэсуары, указаныя вытворцам.
  • Звяртайцеся да кваліфікаванага абслугоўваючага персаналу. Тэхнічнае абслугоўванне патрабуецца, калі прылада была пашкоджана якім-небудзь чынам, напрыклад, пашкоджаны шнур сілкавання або вілка, была праліта вадкасць або ў прыладу ўпалі прадметы, прылада падвяргалася ўздзеянню дажджу або вільгаці, не працуе належным чынам , або быў адкінуты.
  • This product is designed for professional audio applications and should be installed by qualified personnel.

3. Што ў скрынцы

Upon unpacking your Midas MICROPHONE PREAMPLIFIER 502, please ensure all components are present and in good condition:

  • Папярэдні мікрафонны ўзмацняльнік MidasAMPLIFIER 502 module
  • Кароткае кіраўніцтва / Інфармацыя па бяспецы
  • Гарантыйны рэгістрацыйны талон

Калі якія-небудзь прадметы адсутнічаюць або пашкоджаныя, неадкладна звярніцеся да прадаўца.

4. Настройка

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

  1. Ensure your 500 Series rack is powered off and disconnected from the mains supply.
  2. Carefully align the edge connector of the 502 module with an available slot in your 500 Series rack.
  3. Gently but firmly push the module into the slot until it is fully seated. Do not force the module.
  4. Secure the module to the rack using the provided screws (typically two per module) through the faceplate.
  5. Once all modules are installed, reconnect your 500 Series rack to the mains supply and power it on.
Вуглавы view of the Midas 502 Microphone Preamplifier module, showing its side profile and rear connector area.

Малюнак 4.1: Пад вуглом view of the Midas MICROPHONE PREAMPLIFIER 502, illustrating its form factor for 500 Series rack installation.

4.2 Аўдыё злучэння

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.
  • выхад: 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 Элементы кіравання пярэдняй панэлі

  • INPUT (Rotary Knob): Adjusts the input level of the signal. The meter above indicates the input signal level.
  • GAIN (Rotary Knob): Кантралюе колькасць 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 stagінж.
Вуглавы view of the Midas 502 Microphone Preamplifier module, showing the front panel controls and the side of the unit.

Малюнак 5.1: падрабязна view of the Midas MICROPHONE PREAMPLIFIER 502 front panel controls.

5.2 Basic Operation Workflow

  1. Connect your microphone or line source to the appropriate input on your 500 Series rack.
  2. Усталюйце Мікрафон/лінія switch according to your source.
  3. If using a condenser microphone, engage the 48В фантомная сіла.
  4. Пачніце з ВЫРАГ і УВОД knobs at their minimum settings.
  5. Паступова павялічвайце ВЫРАГ until you achieve a healthy signal level on the input meter, avoiding clipping.
  6. Адрэгулюйце НІЗКІ ПРОХОД і ВЫСОКІ ПАС filters as needed to shape the tone and remove unwanted frequencies.
  7. Выкарыстоўвайце IN (Phase) button if phase correction is required.
  8. Удзельнічайце ў TX button for transformer coloration if desired.
  9. Выкарыстоўвайце АБРАЗКА knob to fine-tune the output level to your next device in the signal chain.

6. Тэхнічнае абслугоўванне

The Midas MICROPHONE PREAMPLIFIER 502 is designed for reliable operation with minimal maintenance.

  • Уборка: Для чысткі вонкавых паверхняў прылады выкарыстоўвайце мяккую сухую тканіну. Не выкарыстоўвайце абразіўныя ачышчальнікі або растваральнікі.
  • Вентыляцыя: Ensure that the ventilation slots on your 500 Series rack are not obstructed to prevent overheating.
  • захоўванне: 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. Выпраўленне непаладак

If you encounter issues with your Midas MICROPHONE PREAMPLIFIER 502, refer to the following common troubleshooting steps:

праблемаМагчымая прычынаРашэнне
Няма аўдыявыхаду
  • Module not fully seated in rack
  • Няправільныя падключэнні ўводу/вываду
  • Gain/Trim set too low
  • Phantom power not engaged for condenser mic
  • Няспраўны кабель
  • Reseat the module firmly
  • Check all audio cables and connections
  • Increase GAIN and TRIM levels
  • Engage 48V phantom power
  • Test with different cables
Скажонае аўдыё
  • Input signal too hot (clipping)
  • Output signal too hot
  • Faulty cable or component
  • Reduce INPUT or GAIN levels
  • Reduce TRIM level
  • Test with different cables; check other components in signal chain
Гул або шум
  • Зазямляльны контур
  • Improper shielding
  • Няспраўны кабель
  • Знешняе ўмяшанне
  • Ensure all equipment is properly grounded
  • Use balanced cables where possible
  • Test with different cables
  • Move away from power supplies or other electronic devices

If the problem persists after trying these steps, please contact Midas customer support or an authorized service center.

8. Тэхнічныя характарыстыкі

АсаблівасцьСпецыфікацыя
Вага прадмета8.25 фунта (3.74 кг)
Памеры прадукту (Д х Ш х У)6.85 х 1.5 х 5.2 цалі (17.4 х 3.8 х 13.2 см)
Нумар мадэліМікрафон PREAMPLIFIER 502
Тып уводуMicrophone / Line
Прывідная сіла+48V Switchable
ФільтрыClassic XL4 Swept Low Pass (3k-15k), High Pass (10Hz-400Hz)
ВыхадStandard 500 Series Output, Switchable Twin Aux Balanced Output (with compatible racks)
Першая даступная дата3 студзеня 2020 г
Тыл view of the Midas 502 Microphone Preamplifier module, showing the serial number and regulatory markings.

Малюнак 8.1: Задняя частка view of the Midas MICROPHONE PREAMPLIFIER 502, displaying manufacturing and serial information.

9. Гарантыя і падтрымка

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 webсайт для атрымання падрабязных гарантыйных умоў.

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 Webсайт: www.midasconsoles.com

© 2024 MIDAS. All rights reserved. Information in this document is subject to change without notice.

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