The symbol is used to indicate that some hazardous live terminals are involved within this apparatus, even
under the normal operating conditions, which may be sufficient to constitute the risk of electric shock or
death.
The symbol is used in the service documentation to indicate that specific component shall be replaced
only by the component specified in that documentation for safety reasons.
Protective grounding terminal
Alternating current/voltage
Hazardous live terminal
ON:
Denotes the apparatus is turned on
OFF:
Denotes the apparatus is turned off.
WARNING:
Describes precautions that should be observed to prevent the danger of injury or death to the operator.
CAUTION:
Describes precautions that should be observed to prevent danger of the apparatus.
IMPORTANT SAFETY INSTRUCTIONS
·
Read these instructions.
·
Keep these instructions.
·
Heed all warning.
·
Follow all instructions.
Water & Moisture
·
The apparatus should be protected from moisture and
rain, can not used near water, for example: near bath-
tub, kitchen sink or a swimming pool, etc.
·
Heat
The apparatus should be located away from the heat
source such as radiators, stoves or other appliances
that produce heat.
·
Ventilation
Do not block areas of ventilation opening. Failure to
do could result in fire. Always install accordance with
the manufacturer's instructions.
·
Object and Liquid Entry
Objects do not fall into and liquids are not spilled into
the inside of the apparatus for safety.
·
Power Cord and Plug
Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The wide
blade or the third prong is provided for your safety.
If the provided plug does not fit into your outlet, refer to
electrician for replacement.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
IMPORTANT SAFETY SYMBOLS
·
Power Supply
The apparatus should be connected to the power supply
only of the type as marked on the apparatus or described
in the manual. Failure to do could result in damage to the
product and possibly the user.
Unplug this apparatus during lightning storms or when
unused for long periods of time.
·
Fuse
To prevent the risk of fire and damaging the unit, please
use only of the recommended fuse type as described in
the manual. Before replacing the fuse, make sure the unit
turned off and disconnected from the AC outlet.
·
Electrical Connection
Improper electrical wiring may invalidate the product war-
ranty.
·
Cleaning
Clean only with a dry cloth. Do not use any solvents such
as benzol or alcohol.
·
Servicing
Do not implement any servicing other than those means
described in the manual. Refer all servicing to qualified
service personnel only.
·
Only use accessories/attachments or parts recommended
by the manufacturer.
·
Warning
Please remember the high sound pressure do not only
temporarily damage your sense of hearing, but can also
cause permanent damage. Be careful to select a suitable
volume.
Mono inputs
Microphone inputs (XENYX Mic Preamp)
Type
XLR, electronically balanced,
discrete input circuit
Mic E.I.N. (20 Hz - 20 kHz)
@ 0
Ω
source resistance
@ 50
Ω
source resistance
@ 150
Ω
source resistance
-134 dB / 135.7 dB A-weighted
-131 dB / 133.3 dB A-weighted
-129 dB / 130.5 dB A-weighted
Frequency response
<10 Hz -150 kHz (-1 dB),
<10 Hz -200 kHz (-3 dB)
Gain range
+10 to +60 dB
Max. Input level
+12 dBu @ +10 dB gain
Impedance
approx. 2.6 k
balanced
Ω
110 dB / 112 dB A-weighted
Signal-to noise ratio
(0 dBu In @ +22 dB gain)
Distortion (THD+ N)
0.005% / 0.004% A-weighted
Line input
Type
Impedance
Gain range
Max. Input level
1
Fade-out attenuation
(Crosstalk attenuation)
Main fader closed
Channel muted
Channel fader closed
Frequency response
Microphone input to main out
<10 Hz - 90 kHz
<10 Hz - 160 kHz
+0 dB / -1 dB
+0 dB / -3 dB
Stereo inputs
Type
1/4
＂
TRS connector,
Impedance
Max. Input level
electronically balanced
approx. 20 k
Ω
+22 dBu
EQ mono channels
EQ stereo channels
9
5.SPECIFICATIONS
1/4
＂
TRS connector,
electronically balanced
approx. 20
banlanced
Ω
10 k
unbanlanced
Ω
-10 to +40 dB
30 dBu
90 dB
89.5 dB
89 dB
Low
Mid
High
Low
Mid
High
80 Hz / 15 dB
2.5 kHz / 15 dB
12 kHz / 15 dB
80 Hz / 15 dB
2.5 kHz / 15 dB
12 kHz / 15 dB
Aux sends
Stereo aux return
Type
Impedance
Max.output level
1/4
＂
T
S connector, unbalanced
approx. 20 k
Ω
+22 dBu
Main outputs
Type
Impedance
Max.output level
XLR electronically balanced
approx. 240 bal./ 120 unbal.
Ω
Ω
+28 dBu
Control room outputs
Type
Impedance
Max.output level
1/4
＂
TS connector, unbal.
approx. 120
Ω
+22 dBu
Headphones output
Type
Max.output level
1/4
＂
TRS connector, unbalanced
+19 dBu / 150
(+25 dBu)
Ω
DSP
Converter
24-bit Texas Instruments
24-bit Sigma-Delta.
64/128-times oversampling
40 kHz
Sampling rate
2
Main mix system data
Noise
Main mix @ -
∞
,
Channel fader -
∞
Main mix @ 0 dB,
Channel fader -
∞
Main mix @ 0 dB,
Channel fader @ 0 dB
-105 dB / -108 dB A-weighted
-95 dB / -97 dB A-weighted
-82.5 dB / -85 dB A-weighted
Power supply
Mains voltage
Power consumption
Fuse
100 -240 V~, 50/60 Hz
40 W
Mains connection
Standard IEC receptacle
100 -240 V~, T 1.6 A H 250V
Physical
1204FX
Dimensions (H x W x D)
245 x 324 x 86 mm
2.1kg
weight (net)
1404FX
Dimensions (H x W x D)
298 x 324 x 86 mm
2.3kg
weight (net)
1604FX
1804FX
Measuring conditions:
1: 1kHz rel.to 0 dBu; 20 Hz - 20 kHz, line input; main output; unity gain.
2: 20Hz - 20kHz; measured at main output. Channels 1 - 4 unity gain: EQ flat; all
channels on main mix; channels 1/3 as far left as possible, channels 2/4 as far
right as possible. Reference = +6 dBu.
LongerdB is constantly striving to manintain the highest professional standards. As a
result of these efforts, modifications may be made from time to existing products without
prior notice. Specifications and appearance may differ from those listed or illustrated.
1/4
＂
TRS connector,
Type
electronically balanced
approx. 20 k bal. /10 k unbal.
Ω
Ω
+22 dBu
Impedance
Max.input level
Dimensions (H x W x D)
351 x 324 x 86 mm
2.5kg
weight (net)
Dimensions (H x W x D)
404 x 324 x 86 mm
2.7kg
weight (net)
MX Series Mixer
