MadBoy BLENDER-422U User manual

4-CHANNEL MIXER WITH USB AUDIO PLAYER & DSP EFFECTS
BLENDER-422U
OWNER’S MANUAL
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00-10 REVERB HALLS
11-20 REVERB PLATES
21-30 ECHO REVERB
31-40 CHORUS REVERB
41-50 DELAY STEREO
51-60 DELAY MONO
61-99 SPECIAL
BLENDER-422U
EFFECT
MAIN OUT
AUX RETURN
USB
PLAYER
AUX SENDPHONESTAPE
IN
TAPE
OUT
MIC 2MIC 1
LINE IN LINE IN
UP
DOWN
FX MUTE
LINE 2
PAN
AUX
FX
AUX
FX
AUX
FX
AUX
FX
TRIMTRIM
RIGHT RIGHT
LEFT LEFT
5/6
(USB)
3/4 LINE IN
PAN PAN PAN
L
R
L
R
CONTROL ROOM
2TK TO
LINE 1 LINE 5/6
(USB)
LINE 3/4 MAIN VOL PHONES/
CONTROL ROOM
AUX RETURN
EQ EQ TRIM TRIM
MAIN MIX
CONTROL ROOM
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SAFETY INSTRUCTIONS
CAUTION:
WARNING:
To reduce the risk of electrical shock, do not remove the cover (or back). No user
serviceable parts inside; refer servicing to qualified personnel.
To reduce the risk of fire or electrical shock, do not expose this appliance to rain
or moisture.
This symbol, wherever it appears,
alerts you to the presence of
uninsulated dangerous voltage
inside the enclosure- voltage that
may be sufficient to constitute a risk
of shock.
This symbol, wherever it appears,
alerts you to the important operating
and maintenance instructions in the
accompanying literature. Read the
manual.
CAUTION
RISH OF ELECTRIC SHOCK
DO NOT OPEN
DETAILED SAFETY INSTRUCTIONS:
All the safety and operation instructions should be read before the appliance is operated.
Retain Instructions:
The safety and operating instructions should be retained for future reference.
Heed Warnings:
All warnings on the appliance and in the operating instructions should be adhered to.
Follow instructions:
All operation and user instructions should be followed.
Water and Moisture:
The appliance should not be used near water (e.g. near a bathtub, washbowl, kitchen sink,
laundry tub, in a wet basement, or near a swimming pool etc.).
Ventilation:
The appliance should be situated so that its location or position does not interfere with its proper
ventilaton. For example, the appliance should not be situated on a bed, sofa rug, or similar
surface that may block the ventilation openings:or placed in a built-in installation, such as a
bookcase or cabinet that may impede the flow of air through the ventilation openings.
Heat:
The appliance should be situated away from heat sources such as radiators, heat registers,
stoves or other appliances (including amplifiers) that produce heat.
Power Source:
The appliance should be connected to a power supply only of the type described in the
operating instructions or as marked on the appliance.
Grounding or Polarization:
Precautions should be taken so that the grounding or polarization means of an appliance is
not defeated.
Power-Cord Protection:
Power supply cords should be routed so that they are not likely to be walked on or pinched
by items placed upon or against them, paying particular attention to cords and plugs,
convenience receptacles and the point where they exit from the appliance.
Cleaning:
Unplug this unit from the wall outlet before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a damp cloth for cleaning.
Non-use Periods:
The power cord of the appliance should be unplugged from the outlet when left unused for a
long period of time.
Object and Liquid Entry:
Care should be taken so that objects do not fall and liquids are not spilled into the enclosure
through openings.
Damage Requiring Sercice:
The appliance should be serviced by qualified service personnel when:
-the power supply cord or the plug has been damaged;or
-objects have fallen, or liquid has been spilled into the appliance or
-the appliance has been exposed to rain; or
-the appliance does not appear to operate normally or exhibits a marked change in
performance;or
-the appliance has been dropped, or the enclosure damaged.
Servicing:
The user should not attempt to service the appliance beyond that which is described in the
Operating Instructions. All other servicing should be referred to qualified service personnel.
BLENDER-422U 4-channel Mixer with USB audio player & DSP effects
4-channel mixing console with two stereo channels and a separate stereo aux
channel
Separate input JACK controls for mix and line inputs for all stereo channels
XLR mic connectors on all mono channels
Low-noise, discrete mic preamplifiers on all microphone inputs
Dedicated inserts on all mono channels
Balanced 1/4" stereo jack and RCA-connectors for stereo channels
Balance controls on all stereo channels
Separate stereo AUX channel with 1/4" and RCA jacks
Stereo output for recording applications
3-band EQ on all channels
AUX and effects paths as well as separate gain controls on all channels
High-grade-sealed faders and potentiometers
Insert option for external effects devices
AUX Send and EFX Send controls in the main section for optimal level adjustment
Headphones output with dedicated volume control
USB Audio player for playing your audio files (MP3)
Built-in +48V phantom power for condenser mics
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1 2

The GAIN MIC control determines the channels input gain, both for a microphone
connected via the XLR jack and for other signal sources connected to the 1/4 jack.
Use this balanced XLR jack to connect a microphone to the mixer (applies to
channels 1 through 2)
The phantom power required for condenser mics can be activated with
switch .
Channels 1 through 2 feature an additional LINE input on a balanced 1/4" jack.
These are the two balanced LINE inputs on 1/4 jacks for the left and right sides
of the stereo channels, which can be used in parallel to the microphone inputs.
Your mixer comes with a 3-band equalizer. the HI control governs the high
frequency range, the MID control can be used to boost/cut the midrange
frequencies, and the LOW control allows you to raise or lower the gain of the
bass range.
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Use the PAN control to adjust the signal position on the stereo basis.
Use the AUX/FXcontrol to determine the channel/FX volume sent to the AUX
mix bus. When set fully to the left, the channel volume in the AUX mix is zero.
The LINE control adjusts the volume of the corresponding line.
Use the MAIN MIX control to set the overall volume level of your mixer.
1. INTRODUCTION
Congratulations! The mixer you have purchased is state-of-the-art 4-channel mixing
console, that sets new standards. Our prime goal when developing the machine was to design
a console, that can be used for a great variety of applications. And to give you maximum
flexibility.
In combination with its comprehensive range of featrues and pro-level connections, the
machine will be your perfect tool for any kind of application: broadcasting, video dubbing or
giving the sound of your band, its finishing touch.
1.1 Before you begin
1.2 Control elements
1.2.1 Interface panel
Your mixer was carefully packed in the factory and the packaging is designed to protect
the unit from rough handling. Nevertheless, we recommend that you carefully examine
the packaging and its contents for any signs of physical damage, which may have occurred
during transit.
Be sure that there is enough space around the unit for cooling and please do not
place the machine on to high-temperature devices such as radiators, etc to avoid
overheating.
If the unit is damaged, please do not return it to our company, but notify
your dealer and the shipping company immediately, otherwise claims for
damage or replacement may not be granted. Shipping claims must be
made by the consignee.
1
2
3
4
6
7
8
3
The AUX SEND and AUX RETURN connectors provides monitor signal for your
mixer, for example, to control monitor amplifier or active speaker.
18
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17
These are the balanced 1/4' jack MAIN OUTPUTS of your mixer that can be
used to drive, e.g.a power amplifier.
9
10
11
12
13
14
15
The PHONES/CONTROL ROOM control governs the headphones/control room
volume.
The
2TK TO switch
, signals sent to the CONTROL ROOM or the MAIN.
The AUX RETURN adjusts the signal level sent from the AUX RETURN
or the internal digital effect unit, to the MAIN.
The POWER LED will be turned on when power is switched ON.
The FX MUTE switch is for internal DSP-effect ON or OFF.
The DIGITAL MULTI EFFECTS
Press UP or DOWN to change the reverb type to one of the following :
01-10 reverb halls 11-20 reverb plates
21-30 echo/reverb 31-40 chorus1
41-50 stereo delay 51-60 mono delay
61-70 special reverb halls 71-80 special plates
81-90 special delay mono 91-99 special doubling
Use the PHONES jack to connect a commercially available pair of headphones.
19
16 The USB Audio Player is for playing your audio (MP3) files from USB
NEXT/PREVIOUS
PLAY/PAUSE
The button is for repeat function.
20
TAPE IN jacks allows you to connect play-back devices such as CD player etc.
Use TAPE OUT to record your mixing to your external recorder.
21
22
23
The power switch.
The phantom power switch.
The power jack.
24 The STEREO (RCA) 3/4 & 5/6 LINE INPUTS allows you to connect devices such
as CD player, mobile phone etc. via RCA cable.
4

00-10 REVERB HALLS
11-20 REVERB PLATES
21-30 ECHO REVERB
31-40 CHORUS REVERB
41-50 DELAY STEREO
51-60 DELAY MONO
61-99 SPECIAL
BLENDER-422U
EFFECT
MAIN OUT
AUX RETURN
USB
PLAYER
AUX SENDPHONESTAPE
IN
TAPE
OUT
MIC 2MIC 1
LINE IN LINE IN
UP
DOWN
FX MUTE
LINE 2
PAN
AUX
FX
AUX
FX
AUX
FX
AUX
FX
TRIMTRIM
RIGHT RIGHT
LEFT LEFT
5/6
(USB)
3/4 LINE IN
PAN PAN PAN
L
R
L
R
CONTROL ROOM
2TK TO
LINE 1 LINE 5/6
(USB)
LINE 3/4 MAIN VOL PHONES/
CONTROL ROOM
AUX RETURN
EQ EQ TRIM TRIM
MAIN MIX
CONTROL ROOM
21
MODEL:BLENDER-422U
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L
R
L
R
LINE IN 3/45/6 DC IN POWER PHANTOM
ON
OFF
22 23 24
BACK OF THE MIXER
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56
electronically balanced, discrete input configuration
10 Hz to 200kHz
+14 dB to +60 dB
120 dB E.I.N.
SPECIFICATIONS
INPUT CHANNELS 1 through 5
Mic input
Line input
Frequency response
Gain range
SNR
Frequency response
Gain range
SNR
STEREO CHANNELS
EQUSLIZATION
Frequency response
Gain range
SNR
10 Hz to 70 kHz
Line: -8 to +15 dB / Mic: +13 to +60 dB
Line: 96 dB / Mic: 104 dB E.I.N.
LOW
MID
HI
80 Hz, +/- 15 dB
2.5 kHz, +/- 15dB
12 kHz, +/- 15 dB
MAIN MIX
Main Outputs
AUX Send
EFF Send
Audio Out
Phones Output
+28 dBu balanced / +22 dBu unbalanced
+22 dBu unbalanced
+22 dBu unbalanced
+22 dBu unbalanced
+15 dBu / 150
USA/Canada 120 V~, 60 Hz,
U.K./Australia 240 V~, 50 Hz
Europe 230 V~, 50 Hz,
Japan 100 V~, 50 - 60 Hz,
China 220 V~, 50 -60 Hz,
PHYSICAL
Electronically balanced
10 Hz to 130 kHz
-6 dB to +38 dB
95 dB E.I.N.
6 channel 210 X 250 X 72
Weight
6 channel 3.0 Kg
Dimensions(H X W X D)mm