1. Introduzzjoni
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.
Figura 1.1: Quddiem view of the Midas MICROPHONE PREAMPLIFIER 502, highlighting its input, gain, filter, and output controls.
2. Istruzzjonijiet Importanti dwar is-Sigurtà
Please read these instructions carefully before operating your Midas MICROPHONE PREAMPLIFIER 502. Keep this manual for future reference.
- Tesponix dan l-apparat għax-xita jew l-umdità.
- Timblokkax il-fetħiet tal-ventilazzjoni. Installa skont l-istruzzjonijiet tal-manifattur.
- Tinstallax ħdejn xi sorsi tas-sħana bħal radjaturi, reġistri tas-sħana, stufi, jew apparat ieħor (inkluż amplifiers) li jipproduċu sħana.
- Uża biss aċċessorji/aċċessorji speċifikati mill-manifattur.
- Irreferi l-manutenzjoni kollha lil persunal tas-servizz kwalifikat. Is-servizz huwa meħtieġ meta l-apparat ikun ġie bil-ħsara b'xi mod, bħal korda tal-provvista tal-enerġija jew plagg ikun bil-ħsara, likwidu jkun inxtered jew oġġetti jkunu waqgħu fl-apparat, l-apparat ikun ġie espost għax-xita jew umdità, ma jaħdimx b'mod normali , jew twaqqgħet.
- This product is designed for professional audio applications and should be installed by qualified personnel.
3. X'hemm fil-Kaxxa
Upon unpacking your Midas MICROPHONE PREAMPLIFIER 502, please ensure all components are present and in good condition:
- Midas MIKROFONU PREAMPLIFIER 502 module
- Gwida Quick Start / Informazzjoni dwar is-Sigurtà
- Karta ta' Reġistrazzjoni ta' Garanzija
Jekk xi oġġetti huma nieqsa jew bil-ħsara, jekk jogħġbok ikkuntattja lin-negozjant tiegħek immedjatament.
4. Setup
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.
Figura 4.1: Angolat view of the Midas MICROPHONE PREAMPLIFIER 502, illustrating its form factor for 500 Series rack installation.
4.2 Konnessjonijiet tal-Awdjo
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.
- Input tal-Mikrofonu/Linja: Connect your microphone or line-level source to the corresponding input on your 500 Series rack's rear panel.
- Output: 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 Kontrolli ta' Front Panel
- INPUT (Rotary Knob): Adjusts the input level of the signal. The meter above indicates the input signal level.
- GAIN (Rotary Knob): Jikkontrolla l-ammont ta 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 staging.
Figura 5.1: Dettaljat view of the Midas MICROPHONE PREAMPLIFIER 502 front panel controls.
5.2 Fluss tax-Xogħol tal-Operazzjoni Bażika
- Connect your microphone or line source to the appropriate input on your 500 Series rack.
- Issettja l- Mic/Line switch according to your source.
- If using a condenser microphone, engage the 48V qawwa fantażma.
- Ibda bil- QIBDA u INPUT knobs at their minimum settings.
- Żid gradwalment il- QIBDA until you achieve a healthy signal level on the input meter, avoiding clipping.
- Aġġusta l- PASS BAXX u PASS GĦOLI filters as needed to shape the tone and remove unwanted frequencies.
- Uża l- IN (Phase) button if phase correction is required.
- Involvi l- TX button for transformer coloration if desired.
- Uża l- TRIM knob to fine-tune the output level to your next device in the signal chain.
6. Manutenzjoni
The Midas MICROPHONE PREAMPLIFIER 502 is designed for reliable operation with minimal maintenance.
- Tindif: Uża drapp artab u niexef biex tnaddaf il-barra tal-unità. Tużax prodotti tat-tindif jew solventi li joborxu.
- Ventilazzjoni: Ensure that the ventilation slots on your 500 Series rack are not obstructed to prevent overheating.
- Ħażna: 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 Issolvi l-problemi
If you encounter issues with your Midas MICROPHONE PREAMPLIFIER 502, refer to the following common troubleshooting steps:
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Ebda output awdjo |
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| Awdjo mgħawweġ |
|
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| Ħum jew storbju |
|
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If the problem persists after trying these steps, please contact Midas customer support or an authorized service center.
8. Speċifikazzjonijiet
| Karatteristika | Speċifikazzjoni |
|---|---|
| Piż tal-oġġett | 8.25 liri (3.74 kg) |
| Dimensjonijiet tal-Prodott (L x W x H) | 6.85 x 1.5 x 5.2 pulzieri (17.4 x 3.8 x 13.2 ċm) |
| Numru tal-Mudell | MIKROFON PREAMPLIFIER 502 |
| Tip ta' Input | Microphone / Line |
| Qawwa Phantom | +48V Swiċċjabbli |
| Filtri | Classic XL4 Swept Low Pass (3k-15k), High Pass (10Hz-400Hz) |
| Output | Standard 500 Series Output, Switchable Twin Aux Balanced Output (with compatible racks) |
| L-Ewwel Data Disponibbli | 3 ta’ Jannar, 2020 |
Figura 8.1: Wara view of the Midas MICROPHONE PREAMPLIFIER 502, displaying manufacturing and serial information.
9. Garanzija u Appoġġ
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 websit għal termini u kundizzjonijiet dettaljati tal-garanzija.
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 Websit: www.midasconsoles.com
