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LX8 & LX12 

OWNER’S MANUAL

11

1

  MIC / LINE INPUT

 

An XLR or 1/4” microphone or line level source can be 

 

connected here.

2

  –26 dB PAD BUTTON

 

Reduces the signal strength of the associated input signal by 26 dB.

3

  80Hz HIGH-PASS FILTER

 

Reduces low frequency “rumble” from microphone signals.

4

  48V PHANTOM POWER BUTTON

 

 Activates phantom power, which is required for condenser-type 

microphones.

 

5

  GUITAR HI-Z BUTTON

 

 Changes the impedance on the L (MONO) input of CH 5|6 to 

optimize passive guitar and bass signals.

 

6

  GAIN CONTROL

 

Adjusts the preamp gain for the associated channel.

7

  COMPRESSOR

 

Each of the 4 MIC|LINE channels has it own compressor, which can 

be useful to make vocals or other key inputs more prominent than 

other inputs. At full counter-clockwise position, no compression will 

be applied. Turning the knob up from minimum adjusts the threshold 

from +20dB to -5dB and add 0dB to +9dB of make-up gain.

8

  HIGH EQ CONTROL

 

Boosts or cuts the high frequencies of the associated input signal, 

at a corner frequency of 10 kHz.

9

  MID EQ CONTROL

 

Boosts or cuts the mid frequencies of the associated input signal, at 
a center frequency of 2.5 kHz.

10

  LOW EQ CONTROL

 

 Boosts or cuts the low frequencies of the associated input signal, at 

a corner frequency of 100 Hz.

11

  FX SEND CONTROL

 

Controls the relative level of the associated channel being sent to 

the FX processor.

12

  MON SEND CONTROL

 

Controls the relative level of the associated channel being sent 

 

to the MON OUT.

13

  PAN CONTROL

 

Adjusts positioning of the channel input signal within the stereo 
sound field.

14

  CLIP INDICATOR LED

 

Lights red when the signal level at the preamp stage is too high and 

causing clipping/distortion.

15

  CH LEVEL CONTROL

 

Adjusts the relative level of the associated channel being sent to the 

 

MAIN bus.

16

  FX ON | OFF FOOT SWITCH

 

Connect a 1/4” single-button footswitch here to mute/unmute the 

internal FX. This can be helpful when addressing the audience 
between songs. 

17

  1/4” INPUTS

 

CH5|6 CH7|8, CH 9|10 – Connect mono or stereo line-level 

 

signals here. 

18

  MAIN OUTPUTS

 

 The signal at this output contains the entire mix of input signals. 

Connect this output to the inputs of powered speakers, a power 

amp or recording interface, via XLR cables.  If a mono output is 

desired, connect a 1/4” TRS cable to the MONO OUT jack.

19

  CTRL RM OUTPUTS

 

1/4” outputs for feeding control room speakers or studio monitors.

20

  MON OUTPUT 

 

1/4” mono output for feeding floor monitor speakers.

21

  HEADPHONE OUTPUT

 

Connect headphones here. This signal is the same as that being 
sent to the MAIN bus.

22

  REC OUT

 

This signal is taken from the MAIN bus. Connect this output to a 

recording device with a stereo 1/8” (3.5 mm) input.

23

  CH 11|12  STEREO INPUT

 

Connect a phone, tablet, or laptop here, with a stereo 1/8” 

 

(3.5 mm) cable. This input is routed to the BLUETOOTH/ 

 

CH 11|12 channel.

24

  USB PLAYBACK ROUTING TO CH 9|10 BUTTON 

 

Pressing this button routes the USB audio input to CH 9|10. Use 
the CH 9|10 level control to send this signal to the MAIN mix. If you 
are recording over existing tracks coming from a DAW and you 
wish to exclude those tracks from the audio being recorded, reduce 
the CH 9|10 level control to its minimum / full counter-clockwise 

position (do this for any channels you do not want recorded by the 

DAW). Press the         HEADPHONE|CTRL  RM SOURCE  button 
and use the channel MON SEND CONTROLS         to create a mix 
of the playback and live recording tracks for the CTRL RM and 

headphone outputs.

25

  BLUETOOTH / CH 11|12 STEREO INPUT LEVEL CONTROLS

 

Controls the level of the BLUETOOTH and CH 11|12 input signals 

being sent to the MAIN bus.

26

  HEADPHONE|CTRL RM MASTER CONTROL 

This control adjusts the signal level feeding the CTRL RM OUTS 

and the Headphone output.

27

  BLUETOOTH / CH 11|12  SOLO BUTTON

 

Mutes all input sources except BLUETOOTH or CH 11|12 input.

28

  HEADPHONE|CTRL RM SOURCE SWITCH  

 

Switches the signal feeding the headphones and control room 

outputs, between main mix (out position) and monitor mix 

 

(in position) signals.

29

  BLUETOOTH PAIR BUTTON

 

•  With no actively paired device, pressing this button will activate 

pairing mode (LED will start blinking).

 

•  With a device actively paired (LED lit solidly), pressing this button 

will cancel the pair and will activate pairing mode (LED will begin 

blinking 

 

•  Pressing and holding this button will cancel any active pair and 

turn Bluetooth off (LED will turn off)

30

  POWER LED

 

When the LX12 is powered on this LED will be lit green.

28

12

Summary of Contents for LVL Series

Page 1: ...LX8 LX12 OWNER S MANUAL LX12 LX8 ...

Page 2: ...op and Rear Panel Features 10 11 LX8 LX12 Bluetooth Troubleshooting 13 USB Walkthrough 13 14 Appendix 15 LX8 LX12 Specifications 16 LX8 Block Diagram 17 LX12 Block Diagram 18 Glossary of Terms 19 Cable Diagrams 20 Important Safety Instructions 21 FCC Statements 22 Warranty Customer Support 22 ...

Page 3: ...ow frequency rumble XLR main outputs for connecting to pro standard equipment 2 band EQ for detailed tone adjustment 1 8 stereo input and record output for connecting to mobile devices 1 4 headphone output LX12 Bluetooth audio input with push button solo feature 4 High headroom low noise microphone preamps with 4 individual single knob compressors Guitar input with Hi Z switch for optimized impeda...

Page 4: ... Section Master Knob Microphone Powered Speakers Microphone connects here via XLR mic cable Phone Tablet Laptop Phantom Power Off for dynamic microphones on for condenser microphones Laptop Connect to rear panel USB jack Bluetooth Audio Connect the included power supply here ...

Page 5: ...on the connected audio player and increase the player s internal volume control to maximum level Slowly bring up the BLUETOOTH STEREO CH 7 8 level control to the 12 o clock position then slowly bring up the MAIN level control until a comfortable listening level is achieved GUITAR Make sure the channel 3 4 GUITAR HI Z switch is set to the on position While strumming the guitar bring up the CH 3 4 c...

Page 6: ...tion Master Fader Microphone Powered Speakers Microphone connects here via XLR mic cable Guitar Bass Phone Tablet Laptop Phantom Power Off for dynamic microphones on for condenser microphones Laptop Connect to rear panel USB jack Bluetooth Audio Connect the included power supply here ...

Page 7: ...ng up the BLUETOOTH STEREO CH 11 12 level control to the 12 o clock position then slowly bring up the MAIN level control until a comfortable listening level is achieved GUITAR Make sure the channel 5 6 GUITAR HI Z switch is set to the on position While strumming the guitar bring up the CH 5 6 channel level control to the 12 o clock position and slowly bring up the MAIN level control until a comfor...

Page 8: ...LX8 LX12 OWNER S MANUAL 8 LX8 TOP AND REAR PANELS 14 17 21 1 2 15 13 7 8 9 16 3 4 11 12 26 25 28 29 10 6 5 18 19 23 20 22 24 27 30 31 32 ...

Page 9: ...N bus 18 BLUETOOTH PAIR BUTTON With no actively paired device pressing this button will activate pairing mode LED will start blinking With a device actively paired LED lit solidly pressing this button will cancel the pair and will activate pairing mode LED will begin blinking Pressing and holding this button will cancel any active pair and turn Bluetooth off LED will turn off 19 BLUETOOTH CH 7 8 S...

Page 10: ...LX8 LX12 OWNER S MANUAL 10 17 18 19 20 21 23 30 25 27 24 31 32 35 36 38 LX12 TOP AND REAR PANELS 1 2 3 4 5 9 6 7 8 10 11 12 13 22 28 33 14 15 16 26 34 39 29 37 40 41 42 ...

Page 11: ...nnect this output to the inputs of powered speakers a power amp or recording interface via XLR cables If a mono output is desired connect a 1 4 TRS cable to the MONO OUT jack 19 CTRL RM OUTPUTS 1 4 outputs for feeding control room speakers or studio monitors 20 MON OUTPUT 1 4 mono output for feeding floor monitor speakers 21 HEADPHONE OUTPUT Connect headphones here This signal is the same as that ...

Page 12: ...e 35 MAIN OUTPUT LEVEL FADER CONTROL This fader controls the level of the MAIN OUTPUT 36 FX PRESET CONTROL AND LISTING Selects the FX preset 1 8 The FX type for each preset can be seen in the list above the FX Adjust knob 37 FX ADJUST CONTROL This control changes the characteristics of the selected FX preset parameters allowing you to customize each preset 38 FX LEVEL CONTROL This control adjusts ...

Page 13: ...the DAW software 4 Arm the stereo DAW track and press record The LX Mixer s MAIN MIX will now be recorded by the DAW NOTE The stereo MAIN mix output signal is the default signal feeding the USB audio output and being sent to the DAW Playback audio from the DAW will route to the LX8 s CH 5 6 or the LX12 s CH 9 10 when the USB ROUTING TO CH9 10 button is engaged on the LX12 Overdubbing 1 Make sure t...

Page 14: ...the guitar and bring up the mixer s CH 5 6 LEVEL control until the loudest input falls just below clipping 9 Now turn the Pan control on CH 5 6 all the way to the left 10 Your DAW or audio capture software can now receive the vocal channel audio and the guitar channel audio on 2 separate tracks Keep in mind if the microphone is in close proximity to the guitar there will likely be some bleed of th...

Page 15: ...ng at that level they may add together and distort the mixer Sidebar Why are there two volume controls The Gain and Level controls work together to get the best performance out of the mixer A quiet signal may need more gain than a loud guitar amp going into a sensitive microphone Set the gain so that the level on each channel is roughly the same then use the Level controls to set the balance that ...

Page 16: ...kHz Mono Channel Mid NA 15dB 2 5 kHz Mono Channel Low 12dB 100Hz 12dB 100Hz Output Level Maximum 22 dBu 22 dBu Maximum Input Levels Mic 6dBu with 26dB PAD 6dBu with 26dB PAD Line Input 21dBu at Unity Gain 21dBu at Unity Gain Aux Input 6dBu at 15dB Level max 6dBu at 15dB Level max Input Impedance Mic 2kΩ balanced 2kΩ balanced Line Input 10kΩ balanced 10kΩ balanced Aux Input 10kΩ balanced 10kΩ balan...

Page 17: ...LX8 LX12 OWNER S MANUAL 17 LX8 BLOCK DIAGRAM ...

Page 18: ...LX8 LX12 OWNER S MANUAL 18 LX12 BLOCK DIAGRAM ...

Page 19: ... equipment realm the term Hi Z or High Impedance generally refers to inputs designed for passive guitar or bass signals 1MΩ or thereabouts HPF HIGH PASS FILTER An electronic filter that passes signals with a frequency higher than a specific cutoff frequency and attenuates signals with frequencies lower than the cutoff frequency IMPEDANCE Resistance in an electrical circuit measured in Ohms Ω Maint...

Page 20: ...NBALANCED STEREO T Positive Left T TS RCA R S R Negative Right S Shield 1 Center 2 Shield 2 S Shield Positive Positive Negative S Shield Positive S Shield 1 Shield 2 Positive 3 Negative T Positive R Negative S Shield XLR M TRS XLR F S R Positive Negative S Shield 1 2 3 2 1 3 T ...

Page 21: ...ct 12 NON USE PERIODS The power cord of the product should be unplugged from the outlet when left unused for a long period of time 13 OBJECT AND LIQUID ENTRY Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings 14 DAMAGE REQUIRING SERVICE The product should be serviced by qualified service personnel when A The power supply cord or the plu...

Page 22: ...6 1809 for assistance Harbinger will repair or replace the unit at Harbinger s discretion This warranty does not cover service or parts to repair damage caused by neglect abuse normal wear and tear and cosmetic appearance to the cabinetry not directly attributed to defects in materials or workmanship Also excluded from coverage are damages caused directly or indirectly due to any service repair s ...

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