Behringer UB502

Behringer EURORACK UB502 5-Input 2-Bus Mixer User Manual

Model: UB502

1. Úvod

The Behringer EURORACK UB502 is an ultra-low noise, 5-input, 2-bus mixer designed for various audio applications. It features a compact design with high-quality components to ensure transparent audio performance. This manual provides essential information for setting up, operating, and maintaining your mixer.

Klíčové vlastnosti:

  • Ultra-low noise design for highest possible headroom and ultra-transparent audio.
  • State-of-the-art, IMP "Invisible" Mic Preamp with 130 dB dynamic range for 24-bit, 192 kHz sampling rate inputs.
  • Effective, extremely musical 2-band EQ and clip LED on mono channel.
  • 5 balanced high-headroom line inputs.
  • Main mix outputs plus separate headphone and 2-track output.

2. Nastavení

Proper setup ensures optimal performance and longevity of your UB502 mixer. Follow these steps to connect your device.

2.1 Připojení napájení

Connect the provided power supply to the 'AC POWER IN' port on the rear panel of the mixer. Ensure the power supply is securely connected before plugging it into a power outlet. The mixer does not feature a separate power switch; it powers on automatically when connected to the power supply.

Rear panel of the Behringer EURORACK UB502 mixer showing the AC power input, serial number, and regulatory marks.
Obrázek 1: Rear panel of the UB502 mixer. The 'AC POWER IN' port is located on the left side, designed for the Behringer power supply only. The serial number and date code are also visible.

2.2 Vstupní připojení

The UB502 offers various input options for different audio sources:

  • Vstup pro mikrofon (MIC): Connect a microphone using an XLR cable to the 'MIC' input. This input features an IMP "Invisible" Mic Preamp.
  • Line Inputs (LINE IN): Connect line-level devices such as instruments or playback devices using 1/4" TRS or TS cables to the 'LINE IN' jacks. Channels 2/3 and 4/5 are stereo paired.
  • 2-Track Input (2-TR IN): Use RCA cables to connect a stereo playback device (e.g., CD player, tape deck) to the '2-TR IN' ports.

2.3 Výstupní připojení

The mixer provides several output options:

  • Main Mix Output (MAIN OUT): Připojte hlavní reproduktory nebo amplifier using 1/4" TRS or TS cables to the 'MAIN OUT' jacks (L/R).
  • Výstup pro sluchátka (PHONES): Connect headphones to the 1/4" TRS 'PHONES' jack for monitoring.
  • 2-Track Output (2-TR OUT): Use RCA cables to connect a recording device to the '2-TR OUT' ports.
Top panel close-up of the Behringer EURORACK UB502 mixer showing all inputs, outputs, and control knobs.
Obrázek 2: Detailní view of the UB502's top panel. This image highlights the MIC, LINE IN, MAIN OUT, PHONES, and 2-TRACK IN/OUT connections, along with individual channel controls for Gain, EQ, Pan, and Level.

3. Obsluha mixéru

Understanding the controls is key to effectively using your UB502 mixer.

3.1 Ovládání kanálů

Each input channel (Mic/Line 1, Line 2/3, Line 4/5) features dedicated controls:

  • ZÍSKAT: Adjusts the input sensitivity for the connected device. Use this to achieve a healthy signal level without clipping.
  • EQ (ekvalizér): The mono channel (Mic/Line 1) has a 2-band EQ (HIGH and LOW) to shape the tone of the input signal.
  • PAN/VYVÁŽENÍ: The PAN control (mono channel) adjusts the signal's position in the stereo field (left to right). The BAL (balance) control (stereo channels) adjusts the relative level of the left and right signals.
  • ÚROVEŇ: Controls the overall output level of the individual channel to the main mix.
  • CLIP LED: Svítí, když je vstupní signál příliš vysoký, což signalizuje možné zkreslení. Pokud se tato LED dioda často rozsvítí, snižte GAIN.

3.2 Ovládací prvky hlavní sekce

The main section manages the overall output and monitoring:

  • HLAVNÍ MIX: Ovládá celkovou hlasitost hlavního stereo výstupu.
  • TELEFONY: Upravuje hlasitost pro sluchátkový výstup.
  • 2-TR MÍCHÁNÍ: Routes the 2-Track input signal to the main mix.
  • 2-TR TO PHONES: Routes the 2-Track input signal to the headphone output for monitoring.
  • MĚŘENÍ HLADINY: LED indikátory zobrazují výstupní úroveň hlavního mixu, což pomáhá předcházet ořezávání.
Úhlové view of the Behringer EURORACK UB502 mixer, highlighting the control knobs and faders.
Obrázek 3: Úhlové view of the UB502 mixer's control surface. This perspective shows the arrangement of the Gain, EQ, Pan/Bal, and Level knobs for each channel, as well as the main mix and headphone controls.

4. Údržba

To ensure the longevity and optimal performance of your Behringer EURORACK UB502 mixer, follow these maintenance guidelines:

  • Čištění: Povrch mixážního pultu pravidelně otírejte měkkým, suchým hadříkem. Nepoužívejte abrazivní čisticí prostředky, rozpouštědla ani vosky, protože by mohly poškodit povrchovou úpravu a ovládací prvky.
  • Ochrana proti prachu: Keep the mixer covered when not in use to prevent dust accumulation, which can affect faders and potentiometers.
  • Podmínky prostředí: Operate and store the mixer in a dry environment, away from extreme temperatures, direct sunlight, and high humidity.
  • Správa kabelů: Ensure all cables are neatly organized and not under tension to prevent damage to the connectors and the mixer's ports.

5. Řešení problémů

If you encounter issues with your UB502 mixer, refer to the following common problems and solutions:

  • Žádný zvukový výstup:
    • Check all power connections and ensure the mixer is receiving power.
    • Verify that all input and output cables are securely connected.
    • Ensure channel LEVEL and MAIN MIX controls are turned up.
    • Check the volume levels on connected amplifikátory nebo aktivní reproduktory.
    • If using headphones, ensure the PHONES control is adjusted.
  • Zkreslený zvuk:
    • Reduce the GAIN control for the affected channel if the CLIP LED is frequently lighting up.
    • Ensure the input source is not sending an excessively hot signal.
    • Check for damaged cables or faulty connectors.
  • Hučení nebo šum:
    • Ensure all connections are balanced (XLR or TRS) where possible to minimize interference.
    • Check for ground loops by ensuring all equipment is plugged into the same power strip or outlet.
    • Udržujte audio kabely v dostatečné vzdálenosti od napájecích kabelů.

6. Specifikace

FunkceSpecifikace
ZnačkaBehringer
Číslo modeluUB502
Hmotnost položky2.54 libry (1.15 kg)
Rozměry produktu6.97 x 5.28 x 1.85 palce (17.7 x 13.4 x 4.7 cm)
Počet kanálů5
Technologie připojeníUSB
Zdroj napájeníBattery Powered (Note: Product description states 'Battery Powered', but typical mixers of this type use an AC adapter. Please refer to product packaging for definitive power requirements.)
Datum první dostupnosti2. října 2001

7. Záruka a podpora

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Pro další pomoc navštivte stránku Obchod Behringer na Amazonu nebo jejich úředník webmísto.

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