A
MUTE/REL CLIP
MUTE/REL CLIP
CH 1
CH 2
ULM-164/SW
L|0
10|R
L|0
LEVEL
BAL
LEVEL
MUTE/REL CLIP
CH 1
L | 0
10 | R
LEVEL
BAL
3
4
5
6
6-Channel Line Mixer
These operating instructions are intended for
users with basic knowledge in audio technology .
Please read the instructions carefully prior to
14
operation and keep them for later reference .
1 Overview
1.1 Front panel
230 V~/50 Hz
A Input channel 1 (channels 2 to 6 are identical)
B
Master section
1 Power indicator
2 POWER switch
3 LED to indicate the muting function; lights
up while the input channel is muted
4 Control for the input channel
upper control knob =
level adjustment (LEVEL)
lower control knob =
balance adjustment (BAL)
5 Switch MUTE / REL for the muting function:
When the switch MUTE ALL (9) is not
pressed, the input channel will be muted
by pressing the switch MUTE / REL .
When the switch MUTE ALL (9) is pressed
(muting of all input channels), the input
channel will be switched on again by press-
ing the switch MUTE / REL .
6 Overload LED CLIP; will light up when the
input channel is overloaded
7 Stereo LED level indicators; depending on
the position of the selector switch (8), they
indicate the level of the master channel
OUT 1 or the level of the master channel
OUT 2
8 Selector switch for the LED level indica-
tors (7)
Switch not pressed:
The LEDs will indicate the level of the mas-
ter channel OUT 1 .
Switch pressed:
The LEDs will indicate the level of the mas-
ter channel OUT 2 .
9 Switch MUTE ALL to mute all input channels
10 Equalizer for the master signal:
LOW = bass control
MID
= midrange control
HIGH = treble control
6
MUTE/REL CLIP
MUTE/REL CLIP
CH 3
CH 4
10|R
L|0
10|R
L|0
10|R
L|0
BAL
LEVEL
BAL
LEVEL
BAL
LEVEL
-12
-6
-12
dB
LOW
11 Level control for headphones at the jack
(12)
12 6 .3 mm jack for connection of stereo head-
phones (impedance ≥ 8 Ω)
B
13 Master controls for the two master channels
OUT 1 and OUT 2
OUTPUT
1.2 Rear panel
R
OUT 1
L
MONO OUT
A Input channel 1 (channels 2 to 6 are identi-
cal): Connection of units with line output
level, e . g . CD player, effect unit, tuner
B
Master section:
Connection of amplifiers or other sub-
sequent units with line input level (e . g .
recorder, second mixer)
OUTPUT
14 Mains cable for connection of the unit to
MONO OUT
R
OUT 1
the power supply (230 V/ 50 Hz)
15 Mono output (1 × 6 .3 mm jack) for the mas-
ter channel OUT 1
16 Stereo outputs (1 × 6 .3 mm jack, 1 × RCA)
for the master channel OUT 1
17 Stereo output (1 × RCA) for the master
15
channel OUT 2
18 Mono line input (1 × 6 .3 mm jack) for the
input channel
19 Stereo line input (1 × RCA) for the input
channel
2 Safety Notes
The unit corresponds to all relevant directives of
the EU and is therefore marked with
WARNING The unit is supplied with hazard-
•
The unit is suitable for indoor use only . Protect
it against dripping water and splash water,
high air humidity and heat (admissible ambi-
ent temperature range 0 – 40 °C) .
•
Do not place any vessels filled with liquid, e . g .
drinking glasses, on the unit .
•
Do not operate the unit and immediately dis-
connect the plug from the mains socket
1 . if there is visible damage to the unit or to
2 . if a defect might have occurred after the
MUTE/REL CLIP
MUTE/REL
CLIP
-12
-6
-3
0 dB
+3 LEFT
CH 5
CH 6
EQ
10|R
L|0
10|R
-12
dB
+12
-12
BAL
LEVEL
BAL
LOW
MID
7
-3
0dB
+3 LEFT
RIGHT
-12
-6
-3
EQ
EQ
+12
-12
dB
+12
-12
dB
+12
MID
HIGH
10
CH6
CH5
L
L
L
MONO IN
MONO IN
R
R
R
OUT 2
OUT 1
STEREO IN
L
L
L
R
R
OUT 2
OUT 1
16
17
ous mains voltage . Leave servic-
ing to skilled personnel only .
Inexpert handling may cause an
electric shock hazard .
the mains cable .
unit was dropped or suffered a similar ac-
cident .
B
RIGHT
-12
-6
-3
0 dB
+3
MUTE ALL
OUT 1
OUT 2
EQ
PHONES
dB
+12
-12
dB
+12
0
10
HIGH
LEVEL
8
MUTE ALL
0 dB
+3
OUT 1
OUT 2
PHONES
0
10
LEVEL
11
12
3 . if malfunctions occur .
In any case the unit must be repaired by skilled
personnel .
•
A damaged mains cable must only be replaced
by skilled personnel .
•
Never pull the mains cable to disconnect the
mains plug from the socket, always seize the
CH4
CH3
L
L
L
plug .
MONO IN
MONO IN
MONO IN
•
R
R
R
For cleaning only use a dry soft cloth; never
use chemicals or water .
STEREO IN
STEREO IN
STEREO IN
•
No guarantee claims for the unit and no liabil-
ity for any resulting personal damage or mate-
rial damage will be accepted if the unit is used
for other purposes than originally intended, if
it is not correctly connected or operated, or if
it is not repaired in an expert way .
•
Important for UK Customers!
The wires in this mains lead are coloured in
accordance with the following code:
blue = neutral
brown = live
As the colours of the wires in the mains lead
of this appliance may not correspond with the
coloured markings identifying the terminals in
your plug, proceed as follows:
1 . The wire which is coloured blue must be
connected to the terminal in the plug
which is marked with the letter N or
coloured black .
2 . The wire which is coloured brown must be
connected to the terminal which is marked
with the letter L or coloured red .
.
If the unit is to be put out of operation
definitively, take it to a local recycling
plant for a disposal which is not harm-
ful to the environment .
3 Applications
With this 6-channel mixer, stereo and mono
units with line level (e . g . CD player, tuner, effect
unit) can be mixed on two master channels . The
unit is therefore suitable for general professional
PA applications .
The mixer has especially been designed for
installation into a rack (482 mm / 19") . However,
it can also be used as tabletop unit, if required .
For rack installation, a height of 1 RS (rack space)
= 44 .45 mm is required .
1
2
ON
10
5
0
OUT 1
OUT 2
POWER
9
10
5
0
OUT 1
OUT 2
13
A
CH2
CH1
L
L
MONO IN
R
R
STEREO IN
STEREO IN
CH1
L
MONO IN
R
STEREO IN
18
19