Behringer UB802 Ultra-Low Noise 8-Input 2-Bus Audio Mixer User Manual

1. Okwu mmalite

The Behringer UB802 is an ultra-low noise, 8-input, 2-bus audio mixer designed for various audio applications, from home studios to live sound reinforcement. It features high-quality microphone preamplifiers, a 3-band equalizer on all channels, and flexible routing options for professional sound mixing.

Atụmatụ gụnyere:

• Ultra-low noise design, highest possible headroom, and ultra-transparent audio.
• Two state-of-the-art, studio-grade IMP "Invisible" Mic Preamps with 130 dB dynamic range for 24-bit, 192 kHz sampling rate inputs.
• Effective, extremely musical 3-band EQ on all channels.
• Six balanced high-headroom line inputs.
• One post-fader FX send per channel for external FX devices.

2. Ntuziaka nchekwa dị mkpa

Please read these instructions carefully before operating your Behringer UB802 mixer. Retain these instructions for future reference.

• Isi mmalite ike: Only use the power adapter supplied with the unit. Ensure the voltage dakọtara ọkụ ọkụ mpaghara gị.
• Igwe ikuku: Akwụsịla oghere ikuku ikuku ọ bụla. Wụnye dị ka ntuziaka onye nrụpụta si dị.
• Mmiri na mmiri: Ejila ngwaọrụ a n'akụkụ mmiri ma ọ bụ kpughee ya ka mmiri na-asọpụta ma ọ bụ na-efesa.
• Okpomọkụ: Awụnyela n'akụkụ ebe okpomọkụ ọ bụla dị ka radiators, ndekọ okpomọkụ, stovu, ma ọ bụ ngwa ndị ọzọ (gụnyere amplifiers) nke na-emepụta okpomọkụ.
• Gịnị: Chebe eriri ọkụ ka ị ghara ịgagharị ma ọ bụ tuo ya, ọkachasị na plọg, ebe nchekwa dị mma, na ebe ha si na ngwa ahụ pụta.
• Ije ozi: Tụtụ aka n'aka ndị ọrụ ruru eru. A na-achọ ọrụ mgbe ngwa ahụ mebiri emebi n'ụzọ ọ bụla, dị ka eriri ọkụ ma ọ bụ plọg mebiri emebi, mmiri mmiri wụfuru ma ọ bụ ihe dabara n'ime ngwa ahụ, ekpughere ngwa ahụ na mmiri ozuzo ma ọ bụ mmiri, anaghị arụ ọrụ nke ọma. , ma ọ bụ ahapụla ya.

3. Njikwa na Njikọ

3.1 Panel kacha eluview

This section details the controls and connectors located on the top panel of your UB802 mixer.

Ọgụgụ 1: N'elu-ala view of the Behringer UB802 mixer's control panel. This image displays the microphone and line inputs, gain controls, 3-band EQ sections, FX send, pan/balance controls, channel level knobs, main mix section, phantom power switch, and level meters.

1. MIC IN (Channels 1-2): XLR inputs for connecting microphones. These inputs provide +48V phantom power when activated.
2. LINE IN (Channels 1-2, 3/4, 5/6): 1/4" TRS inputs for connecting line-level sources such as keyboards, drum machines, or other audio devices. Channels 3/4 and 5/6 are stereo pairs.
3. GAIN (Channels 1-2): Adjusts the input sensitivity for the microphone and line inputs. Use this to set the optimal signal level before it reaches the mixer's internal processing.
4. EQ (HIGH, MID, LOW): Three-band equalizer controls for shaping the tone of each channel. HIGH affects frequencies around 12 kHz, MID around 2.5 kHz, and LOW around 80 Hz.
5. FX zipu: This knob controls the amount of signal sent from the respective channel to the external effects processor connected to the FX Send output. It is a post-fader send.
6. PAN (Channels 1-2): Positions the mono signal within the stereo sound field (left to right).
7. BAL (Channels 3/4, 5/6): Adjusts the balance between the left and right signals of the stereo input channels.
8. Ọkwa: Adjusts the output volume of each individual channel to the main mix.
9. PHANTOM POWER (+48V): A switch to activate +48V phantom power for condenser microphones connected to the XLR inputs.
10. CLIP LED: Illuminates when the input signal is too high, indicating potential clipping or distortion. Reduce the GAIN control if this LED lights up frequently.
11. METỤTA Ọkwa: LED indicators displaying the overall output level of the main mix. Aim for levels around 0 dB during normal operation.
12. MAIN MIX: Controls the overall output volume of the stereo main mix.
13. 2-TRACK IN/OUT: RCA connectors for connecting external recording devices or playback sources (e.g., CD players, tape decks).
14. CONTROL ROOM/PHONES: Output for connecting headphones or control room monitors. The level knob adjusts the volume for both.

3.2 Njikọ azụ azụ

This section details the connections located on the rear panel of your UB802 mixer.

Ọgụgụ 2: N'azụ view of the Behringer UB802 mixer. This image highlights the AC POWER IN port, MAIN OUT (L/R) jacks, FX SEND, and AUX RETURN jacks.

1. Ike AC na: Connect the supplied Behringer power adapter here. Use only the specified power supply.
2. Isi ihe dị n'èzí (L/R): 1/4" TRS outputs for connecting the main stereo mix to an amplifier, powered speakers, or a recording interface.
3. FX zipu: 1/4" TS output for sending the combined FX send signal to the input of an external effects processor.
4. AUX RETURN: 1/4" TS input for receiving the processed signal back from an external effects processor.

4. Nhazi

Follow these steps to set up your Behringer UB802 mixer for operation.

1. Njikọ ike: Ensure the mixer is switched off. Connect the supplied power adapter to the AC POWER IN on the rear panel and then plug it into a suitable power outlet.
2. Njikọ Igwe okwu/Ngwaọrụ:
   • For microphones, connect XLR cables to the MIC NA jacks (Channels 1-2). If using condenser microphones, activate the PHANTOM POWER (+48V) ịgbanwee.
   • For line-level instruments (e.g., keyboards, guitars with preamps), connect 1/4" TS or TRS cables to the Akara IN jacks. Use Channels 3/4 or 5/6 for stereo sources.
3. Njikọ mmepụta: Jikọọ MAIN OUT (L/R) jacks to your amplifier, powered speakers, or audio interface using 1/4" TRS cables.
4. Nleba anya: Jikọọ ekweisi gị na Ekwentị jack or control room monitors to the Ejikwa ọnụ ụlọ jacks.
5. External Effects (Optional): If using an external effects processor, connect the FX Zigara jack to the input of your effects unit. Then, connect the output of your effects unit to the Nlaghachi azụ AUX jack on the mixer.
6. Recording/Playback Devices (Optional): Jikọọ 2-TRACK OUT to the input of your recording device and the output of your playback device to the 2-TRACK IN.

5. Na-arụ ọrụ igwekota

This section provides guidance on operating your Behringer UB802 mixer.

1. Ike Na Usoro: Turn on your mixer first, then your amplifier or powered speakers. When powering off, reverse the sequence (amplifier off first, then mixer) to prevent loud thumps.
2. Setting Gain Levels: For each active channel, speak or play into the microphone/instrument at its loudest expected level. Slowly turn up the URU ịchịkwa ruo mgbe CLIP ikanam briefly flashes. Then, back off the GAIN slightly so the CLIP LED no longer illuminates. This ensures optimal signal-to-noise ratio without distortion.
3. Adjusting Channel Levels: Tọọ ọwa niile Ọkwa knobs to their minimum position. Slowly bring up the LEVEL knob for each channel to achieve a balanced mix.
4. Using the EQ: Jiri ihe ELU, N'etiti, na ala controls to shape the tone of each input. Turning a knob clockwise boosts the frequency, while turning it counter-clockwise cuts it. Start with all EQ knobs at the center (0 dB) position.
5. Panning/Balancing: Jiri ihe PAN knob for mono channels (1-2) to position them in the stereo field. Use the BAL knob for stereo channels (3/4, 5/6) to adjust the left/right balance.
6. Applying Effects (FX Send): Tụgharịa ihe FX zipu knob on the desired channel to send its signal to the external effects processor. Adjust the effect unit's wet/dry mix and the Nlaghachi azụ AUX level on the mixer to blend the effect into the main mix.
7. Main Mix Level: Hazie nke Isi MIX knob to control the overall output volume. Monitor the Ọkwa mita to ensure the main mix is not clipping.
8. Nleba anya: Jiri ihe CONTROL ROOM/PHONES knob to adjust the listening volume for your headphones or control room monitors.

6. Nlekọta

Proper maintenance ensures the longevity and optimal performance of your mixer.

• Nhicha: Disconnect the power before cleaning. Use a soft, dry, lint-free cloth to wipe the surface of the mixer. Avoid using abrasive cleaners, solvents, or waxes, as these can damage the finish and controls.
• Nchekwa: When not in use for extended periods, store the mixer in a cool, dry place, away from direct sunlight and extreme temperatures. Consider using a dust cover.
• Ịkwụsị ike: Always disconnect the power adapter from the wall outlet if the unit will not be used for a long time.

7. Nchọpụta nsogbu

If you encounter issues with your Behringer UB802, refer to the following common problems and solutions.

• Enweghị ike:
  • Ensure the power adapter is securely connected to both the mixer and a working power outlet.
  • Nyochaa na oghere ọkụ na-arụ ọrụ.
  • Check if the correct power adapter is being used (only the one supplied by Behringer).
• Enweghị mpụta ụda:
  • Check all cable connections from input sources to the mixer, and from the mixer's outputs to your ampndị na-ekwu okwu.
  • Ensure channel Ọkwa knobs and the Isi MIX knob are turned up.
  • Chọpụta na URU controls are set appropriately and the CLIP ikanam is not constantly lit.
  • If using condenser microphones, ensure PHANTOM POWER (+48V) na-arụ ọrụ.
  • Check the volume levels on your ampigwe okwu ma ọ bụ ike okwu.
• Ụda agbagọ:
  • Belata ihe URU control for the offending channel if the CLIP ikanam is frequently flashing.
  • Lower the channel Ọkwa or Isi MIX ọkwa.
  • Check the input source for distortion before it reaches the mixer.
• Mkpọtụ ma ọ bụ mkpọtụ:
  • Ensure all audio cables are properly shielded and in good condition.
  • Try to isolate the mixer's power supply from other noisy electrical devices.
  • Check for ground loops by ensuring all equipment is connected to the same power circuit or using a ground loop isolator if necessary.

8. Nkọwapụta

Technical specifications for the Behringer UB802 mixer.

9. Akwụkwọ ikike na nkwado

For detailed warranty information and technical support, please refer to the official Behringer websaịtị ma ọ bụ kpọtụrụ ndị ahịa ha ozugbo. Debe nnata nzụta gị dị ka ihe akaebe nke ịzụrụ ihe maka akwụkwọ ikike ọ bụla.

Behringer is committed to providing high-quality products and support to its users.