
Mini 3 Channel Mixer with USB Interface
User Manual
AM-4208
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Main Features
Ultra-compact and ultra-low noise analog mixer with USB/Audio interface
Powered through USB or external adaptor
Built-in stereo USB/Audio interface to connect directly to your computer
Free audio recording and editing
State-of-the-art Mic Preamp comparable to stand-alone boutique preamps
2-band graphic EQ for warm and musical sound
2-Track input assignable to Headphone or Main Mix output
Main Mix plus separate Phones output
High-quality components and exceptionally rugged construction.
Technical Specifications:
Runs on phantom power
Operating System: Windows® 2000, XP® or higher, Mac® OS 9.0.4 or higher, 10.X or
higher.
Power supply: USB connection, adaptor (DC5V, 500mA supplied)
Power consumption: 2.5W
Dimension: 144(L) x 100(W) x 42(H)mm
Weight: 0.45Kg
Box Contents:
1 x Mini 3 Channel Mixer
1 x Mains Power Adaptor
1 x USB Lead
IMPORTANT SAFETY INSTRUCTIONS
Read these instructions.
Keep these instructions. Heed all warning.
Follow all instructions.
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Caution
There are no user serviceable parts inside this speaker. Do not attempt any repairs. Doing so will void
your manufactures warranty.
Unpacking
Every AM-4208 has been thoroughly tested and has been shipped in perfect operating condition.
Carefully check the shipping carton for damage that may have occurred during shipping. If the carton
appears to be damaged; inspect your units carefully for any damage and be sure all accessories
necessary to operate the system have arrived intact. In the event while damage has been found or parts
are missing, please contact our customer support number for further instructions.
Water & Moisture
The apparatus should be protected from moisture
and rain, cannot be 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.
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. Where the
MAINS plug or an appliance coupler is used as the
disconnect device, the disconnect device shall
remain readily operable.
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 warranty.
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.
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Technical Specifications
Min. input to any output (gain @
0dB, rated output level)
10Hz to 40kHz (0, -1dB)
10Hz to 100kHz (0, -3dB)
Mic input to MAIN output (gain @
0dB, rated output level @ 20Hz –
20kHz bandwidth)
MIC EIN (Equivalent Input Noise)
Input: Channel Input MIC (Rs=150 Ω,
gain @ max., 20Hz – 20kHz
bandwidth)
Mic in to main out (gain @ max., @
1kHz)
Input Gain (20Hz- 20kHz)
Mono Channel
Mic: 0 to 50dB, LINE: -35 to
+15db
Attenuation (Crosstalk) (20Hz20kHz)
Line in, 1/4" TRS Main Out, 1kHz relative to 0dB, 22Hz – 22kHz Filter,
gain @ unity.
Main mix knob /fader @ - ∞,
channel level knob /fader @ -∞
-79dB (A-weighted)
-79dB (A-weighted)
Main mix knob/fader @ 0dDB, 1kHz,
22Hz-22kHz filter, THD @ 1%)
Maximum voltage gain (EQ and
PAN/BAL knob @ 0dB, other all
knob or fader @ max, 1kHz,
Rs=600Ω)
Mono channel mic input
Main out (3.5 jack stereo)
Mono channel mic input
Monitor (3.5 jack stereo)
Mono channel mic input
Tape out (RCA)
Mono channel line input
Main out (3.5 jack stereo)
Stereo channel line input
Main out (3.5 jack stereo)
Tape input
Main out (3.5 jack stereo)
Tape input
Monitor (3.5 jack stereo)
Main mix noise (20Hz – 20kHz)
Main out (all knob/fader @ 0 dB,
22Hz-22kHz filter gain @ unity)
Main mix knob /fader @ - ∞, channel
level knob /fader @ -∞
Main mix knob /fader @ 0dB,
channel level knob /fader @ -∞
Main mix knob /fader @ - ∞, channel
level knob /fader @ 0dDB
Equalisation
Mono channels
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Main left and right (1-segment)
16 bit delta sigma, 44.1kHz
sampling rates
Windows® 2000, XP or
higher, Mac® OS 9.0.4 or
higher 10.x or higher
Mic pin 2/pin3 and pin1 (XLR-3-31
type balanced 1=GND, 2=HOT,
3=COLD)
144(L) x 100(W) x 42(H)mm
IMPORTANT SAFETY SYMBOLS
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Distributed by:
TechBrands by Electus Distribution Pty. Ltd.
320 Victoria Rd, Rydalmere
NSW 2116 Australia
Ph: 1300 738 555
Int’l: +61 2 8832 3200
Fax: 1300 738 500
www.techbrands.com
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