Quick Start Guide

14 15EURORACK UB1204FX-PRO/UB1204-PRO Quick Start Guide
(EN) Controls
(1) MIC – Each mono input channel oers a balanced
microphone input via the XLR connector and also
features a switchable +48 V phantom power supply for
condenser microphones.
(2) LINE – IN Each mono input also features a balanced
line input on a ¼" connector. Unbalanced devices
(mono jacks) can also be connected to these inputs.
(3) LOW CUT – The mono channels of the mixing consoles
have a high-slope LOW CUT lter for eliminating
unwanted, low-frequency signal components
(75 Hz, 18 dB/octave).
(4) GAIN – Use the GAIN control to adjust the input
gain. This control should always be turned fully
counterclockwise whenever you connect or disconnect a
signal source to one of the inputs.
(5) EQUALIZER – All mono input channels include a 3-band
equalizer. All bands provide boost or cut of up to 15 dB.
In the central position, the equalizer is inactive.
(6) AUX 1 (MON) – In the UB1204FX-PRO, aux send 1 can
be switched pre-fader and is thus particularly suitable
for setting up monitor mixes. In the UB1204-PRO,
the rst aux send is labeled MON and is permanently
switched pre-fader.
(7) PRE – When the PRE switch is pressed, aux send 1 is
sourced pre-fader.
(8) AUX 2 (FX) – The aux send labeled FX is for sending to
eects devices and is thus set up to be post-fader. Inthe
UB1204FX-PRO, the FX send is routed directly to the
built-in eects processor.
(9) PAN – The PAN control determines theposition of the
channel signal within the stereo image. Thiscontrol
features a constant-power characteristic, which means
the signal is always maintained at a constant level,
irrespective of position in the stereo panorama.
(10) MUTE/ALT 3-4 – You can use the MUTE/ALT 3-4 switch
to divert the channel from the main mix bus to the
Alt 3-4 bus. This mutes the channel from the main mix.
(11) MUTE LED – The MUTE LED indicates that the relevant
channel is diverted to the submix (Alt 3-4 bus).
(12) CLIP LED – The CLIP LED lights up when the input
signal is driven too high. In this case, turn down the
GAIN control and, if necessary, check the setting of the
channel EQ.
(13) SOLO – The SOLO switch (UB1204FX-PRO only) is used
to route the channel signal to the solo bus (Solo In Place)
or to the PFL bus (Pre Fader Listen). This enables you to
monitor a channel signal without aecting the main
output signal. The signal you hear is sourced either
before (PFL, mono) or after (solo, stereo) both the pan
control and the channel fader.
(14) CHANNEL INPUTS – Each stereo channel has two
balanced line level inputs on ¼" connectors for left and
right channels. If only the connector marked “L” is used,
the channel operates in mono. Stereo channels are
designed to handle typical line level signals.
(15) LEVEL – For level matching, the stereo inputs feature
a LEVEL switch which selects between +4 dBu and
-10 dBV. At -10dBV (home-recording level), the input is
more sensitive than at +4 dBu (studio level).
(16) AUX SEND 1 (MON) – The AUX SEND control MON acts as
master control for aux send 1 and determines the level
of the summed signal. Inthe UB1204FX-PRO, the MON
control is called AUXSEND 1.
(17) AUX SEND 2 (FX) – Similarly, the FX control
(AUX SEND2) determines the level for aux send 2.
(18) SOLO – You can use the SOLO switch
(UB1204FX-PRO only) to separately monitor the
auxsends via the CONTROL ROOM/PHONES outputs and
check these with the level meters.
(19) AUX SEND 1 – If you use aux send 1 pre-fader, youwould
usually connect the AUX SEND 1 connector to monitors
via a power amp (or an active monitor system). If you
use aux send 1 post-fader, proceed as described under
aux send 2.
(20) AUX SEND 2 – The AUX SEND 2 connector outputs the
signal you picked up from the individual channels using
the FX control. You can connect this to the input of an
eects device in order to process the FX bus signal.
Once an eects mix is created, the processed signal can
then be routed from the eects device output back into
the STEREO AUX RETURN connectors.
(21) STEREO AUX RETURN 1 – The STEREO AUX RETURN 1
connectors generally serve as the return path for the
eects mix generated using the post-fader aux send.
This is where you connect the output signal of the
external eects device. Ifonly the left connector is used,
the AUX RETURN automatically operates in mono.
(22) STEREO AUX RETURN 2 – The STEREO AUX RETURN 2
connectors serve as the return path for the eects mix
generated using the FX control. Ifthese connectors
already function as additional inputs, you can route
the eects signal back into the console via a dierent
channel, with the added benet that the channel EQ
can be used to adjust the frequency response of the
eects return signal.
(23) STEREO AUX RETURN 1 – STEREO AUX RETURN 1 is a
stereo control which determines the level of the signal
in the main mix.
(24) STEREO AUX RETURN MON – The STEREO AUX RETURN
MON control has a special function: it can be used to add
an eect to a monitor mix.
(25) STEREO AUX RETURN 2 (FX) – The STEREO AUX
RETURN 2 control determines the level of signals fed into
the AUX RETURN 2 connectors which are routed to the
main mix.
(26) MAIN MIX/ALT 3-4 – The MAIN MIX/ALT 3-4switch
routes the signal connected to STEREO AUX
RETURN 2 to either main mix (not pressed) orsubmix
(Alt 3-4, pressed).
(27) 2-TRACK INPUT – The 2-TRACK INPUT RCA connectors
are provided for connecting a 2 track machine
(e.g. DAT recorder). They can also be used as stereo
line input.
(28) 2-TRACK OUTPUT – These connectors are wired in
parallel with the MAIN OUT and carry the main mix signal
(unbalanced). Connect the 2-TRACK OUTPUT to the inputs
of your recording device. The nal output level can be
adjusted via the high-precision MAIN MIX fader.
(29) 2-TRACK – The 2-TRACK switch routes thesignal
from the 2-TRACK IN connectors to the level meter,
the CONTROL ROOM OUT outputs andthe PHONES
connector this is a simple way to check recorded signals
via monitor speakers or headphones.
(30) ALT 3-4 – Similarly, the ALT 3-4 switch routes the
signal from the Alt 3-4 bus to the same path for
monitoringpurposes.
(31) MAIN MIX – The MAIN MIX switch sends the main mix
signal to the above-mentioned outputs and to the
level meter.
(32) PHONES/CTRL RM – Use this control to set control room
output level and headphones volume respectively.
(33) 2-TRACK TO MAIN – When the 2-TRACK TO MAIN switch
is depressed, the 2-track input is routed to the mainmix
and thus serves as an additional input for 2-track
machines. You can also connect MIDI instruments or
other signal sources here that do not require any further
processing. At the same time, this switch disables the
main mix to 2-TRACK OUTPUT link.
(34) POWER – The blue POWER LED indicates that the
device is switched on.
(35) +48 V – The red “+48 V” LED lights up when the
phantom power supply is switched on. Thephantom
power supply is necessary for condenser microphones
and is activated using the switch on the rear of
thedevice.
(36) MODE (UB1204FX-PRO only) – The MODE
switch determines whether the channels’ SOLO
switch operates as PFL (Pre Fader Listen) or as solo
(Solo In Place).
(37) MAIN SOLO (UB1204FX-PRO only) – TheMAIN SOLO
LED lights up as soon as a channel or auxsend solo
switch is pressed. The MODE switch also has to be set
at “Solo”.
(38) PFL (UB1204FX-PRO only) – The PFL LED indicates
that the peak meter is set to PFL mode.
(39) PHONES – You can connect headphones to this ¼"
TRS connector. The signal on the PHONES connection is
sourced from the control roomoutput.
(40) ALT 3-4 AND MAIN MIX FADER – Use the high-
precision quality faders to control the output level of
the Alt 3-4 subgroup and main mix.
(41) MAIN OUTPUTS – The MAIN outputs carry the
MAINMIX signal and are on balanced XLR connectors
with a nominal level of +4 dBu.
(42) ALT 3-4 OUTPUTS – The ALT 3-4 outputs are
unbalanced and carry the signals of the channels that
you have assigned to this group using the MUTE switch.
This can be used to route a subgroup to a further
mixing console for example, or or it could be used as
a recording output working in tandem with the main
output. This means you could record to four tracks
simultaneously. The icing on the cake, soto speak,
isthat you could connect Y-cables to these four outputs
and then connect your 8-track recorder in such a way
that you have 2 x 4 tracks (e.g. channel 1 feeds track 1
and track 2, etc.). Inthe rst recording pass, you record
on tracks 1, 3, 5 and 7 and in the second pass, on tracks
2, 4, 6 and 8.
(43) CONTROL ROOM OUTPUTS – The control room
output is normally connected to the monitor system
in the control room and provides the stereo mix or,
whenrequired, the solo signal.
(44) FUSE HOLDER – The console is connected to the mains
via the cable supplied which meets the required safety
standards. Blown fuses must only be replaced by fuses
of the same type and rating.
(45) IEC MAINS RECEPTACLE – The mains connection is via
a cable with IEC mains connector. Anappropriate mains
cable is supplied with the equipment.
(46) POWER – Use the POWER switch to power up the
mixing console.
(47) PHANTOM – The PHANTOM switch activates the
phantom power supply for the XLR connectors of
the mono channels which is required to operate
condenser microphones. The red +48 V LED lights
up when phantom power is on. As a rule, dynamic
microphones can still be used with phantom power
switched on, provided that they are wired in a
balanced conguration. In case of doubt, contact the
microphone manufacturer!
(48) 24-BIT MULTI-EFFECTS PROCESSOR – Hereyou
can nd a list of all presets stored in the
multi-eects processor.
(49) FX FOOTSW – Connect a standard foot switch to the
foot switch connector; use this to switch the eects
processor on and o. A dot at the bottom of the display
indicates if the eects processor is muted via the
foot switch.
(50) LEVEL – The LED level meter on the eects module
should display a suciently high level. Take care to
ensure that the clip LED only lights up at peak levels.
(51) PROGRAM – You can select the eect preset by turning
the PROGRAM control. The display ashes the number
of the current preset. To recall the selected preset,
press the button; the ashing stops. You can also recall
the selected preset with the foot switch.
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EURORACK UB1204FX-PRO/UB1204-PRO Controls