The BEHRINGER EURORACK UB1204-PRO/UB1204FX-PRO is a compact yet versatile mixing console designed for both live and studio applications. It offers a comprehensive set of features for signal processing, distribution, and mixing, ensuring high-quality audio performance.
Function Description:
The primary functions of this mixing console revolve around signal processing, distribution, and mixing.
- Signal Processing: This includes preamplification, level adjustment, effects mixing, and frequency equalization. The console is equipped with premium-quality microphone preamplifiers, balanced line inputs, and a 3-band equalizer on each mono channel, allowing for precise sound shaping. The UB1204FX-PRO model further enhances processing capabilities with a built-in digital effects processor, offering 99 presets for various room simulations, delay, modulation, compression, and tube distortion effects.
- Signal Distribution: The mixer facilitates the summing of signals to aux sends for effects processing and monitor mixes. It also allows for distribution to recording tracks, power amplifiers, control room, and 2-track outputs. This flexible routing ensures that signals can be directed to the appropriate destinations for recording, monitoring, or live sound reinforcement.
- Mixing: The console provides controls for setting volume levels, frequency distribution, and stereo positioning for individual signals. It also offers overall level control for the total mix, enabling seamless integration with recording devices, crossovers, or power amplifiers.
Usage Features:
The EURORACK UB1204-PRO/UB1204FX-PRO is designed for intuitive operation, making it accessible for both experienced users and those new to mixing.
- Microphone and Line Inputs: Each mono channel features a balanced XLR microphone input with switchable +48 V phantom power for condenser microphones, and a balanced 1/4" line input. A LO CUT filter on mono channels helps eliminate unwanted low-frequency signal components. The GAIN control allows for precise input gain adjustment. Stereo channels offer two balanced 1/4" line level inputs, with the option to operate in mono if only the left input is used. A LEVEL switch on stereo inputs adjusts sensitivity between +4 dBu (studio level) and -10 dBV (home-recording level).
- Equalization: All mono input channels include a 3-band equalizer with ±15 dB boost/cut for HI (12 kHz), MID (2.5 kHz), and LO (80 Hz) frequencies. Stereo channels also feature a stereo 3-band equalizer with the same characteristics.
- Aux Sends: The console provides aux sends for creating monitor mixes or sending signals to external effects devices. Aux send 1 (MON) can be switched pre-fader for monitor mixes, while aux send 2 (FX) is post-fader for effects. The UB1204FX-PRO's FX send is directly routed to the internal effects processor. Master AUX SEND controls in the main section determine the overall level for each aux bus.
- Routing and Faders: The PAN control on mono channels and BAL (Balance) control on stereo channels position signals within the stereo image. The MUTE/ALT 3-4 switch diverts channels from the main mix to the Alt 3-4 bus, effectively muting them from the main mix. PEAK LEDs indicate signal overload, prompting gain reduction. SOLO switches (UB1204FX-PRO only) allow for monitoring individual channels without affecting the main output, either in PFL (Pre Fader Listen, mono) or Solo In Place (stereo) mode. High-precision channel faders control the level of each channel in the main mix or submix.
- Main Section Controls: The main section includes STEREO AUX RETURN controls for integrating external effects or using them as additional line inputs. TAPE INPUT RCA connectors allow for connecting 2-track machines or other stereo line sources, while TAPE OUTPUT RCA connectors carry the main mix signal for recording. The TAPE switch routes the TAPE IN signal to the level meter, control room, and phones outputs for monitoring. The ALT 3-4 switch routes the Alt 3-4 bus signal for monitoring. The MAIN MIX switch sends the main mix signal to the monitoring outputs and level meter. The CTRL R. & PHONES control adjusts the control room output and headphone volume. The TAPE TO MAIN switch routes the 2-track input to the main mix, serving as an additional input for tape machines or other signal sources.
- Level Metering: A high-precision level meter accurately displays signal levels. For digital recording, the peak meter should not exceed 0 dB to avoid distortion. For analog recording, VU meters should reach approximately +3 dB for low-frequency signals and around 0 dB for snare drums, while high-frequency signals like hi-hats should be driven to about -10 dB.
- Digital Effects Processor (UB1204FX-PRO only): The built-in 24-bit effects processor offers 99 presets, accessible via the PROGRAM control. A foot switch connector allows for external control of the effects processor's on/off state. The LEVEL LED meter on the effects module helps ensure appropriate signal levels, with the CLIP LED indicating overload.
- Outputs: MAIN OUTPUTS are balanced XLR connectors carrying the main mix signal. ALT 3-4 OUTPUTS are unbalanced outputs for subgroup signals, useful for routing to other mixers or multi-track recording. CONTROL ROOM OUTPUTS connect to the monitor system, providing the stereo mix or solo signal. A PHONES connector allows for headphone monitoring.
Maintenance Features:
The EURORACK UB1204-PRO/UB1204FX-PRO is designed for reliability and ease of maintenance.
- Robust Construction: The console is built with high-quality components to ensure durability and reliability, even under extreme loads.
- Integrated Switch-Mode Power Supply: This advanced power supply adapts automatically to mains voltages between 100 and 240 volts, offering greater efficiency and consuming less energy than conventional power supply units.
- Fuse Protection: The console is protected by a fuse, which should only be replaced with fuses of the same type and rating.
- Rack Mounting: The console comes with 19" rack mount wings, allowing for secure installation in standard equipment racks. Proper airflow around the unit is recommended to prevent overheating.
- Cleaning: The device should be cleaned only as recommended by the manufacturer.
- Grounding: All units must be properly grounded to ensure safety and prevent electrostatic discharges from affecting operation.
- Warranty and Service: BEHRINGER offers a warranty for mechanical and electronic components. Users are advised to register their product online for extended warranty benefits. For service, a return authorization number is required, and all servicing beyond basic user instructions should be referred to qualified personnel.
The BEHRINGER EURORACK UB1204-PRO/UB1204FX-PRO combines professional-grade audio capabilities with user-friendly design, making it a powerful tool for a wide range of audio production needs.
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