M.303
P R O F E S S I O N A L D J M I X E R
OWNER’S MANUAL
STANTON MAGNETICS, INC
w w w . s t a n t o n d j . c o m
FADER CLEANING AND INSTALL
After constant use the faders may need to be cleaned and lubricated
from time to time. This will ensure long life and keep a smooth feeling
throughout the fader's lifetime. Follow the instructions below to lubricate
and clean your faders:
Removing a fader:
1. Make sure mixer is powered off and power supply is disconnected from
back of mixer.
2. Remove the fader to be cleaned or replaced by unscrewing the 2 outer
screws on the fader plate (removing the 2 inner screws will detach the
fader from the fader plate).
3. Disconnect the fader from mixer by removing the connector on the
bottom of the fader.
Installing a fader:
1. Once original fader has been removed, simply plug the 4-pin
connector into the new fader.
2. Place fader back in mixer and replace 2 outer screws to secure fader.
DESCRIPTION OF FUNCTIONS
15
16
14
1
2
3
17
17
17
13
12
11
10
4
5
9
7
7
6
8
DESCRIPTION OF FUNCTIONS
1. Microphone 1 input - This combo (1/4”/XLR) connector is used to
connect a microphone. The volume is controlled by the MIC 1 knob.
2. Mic 1 level - Controls the input level of Microphone input 1.
3. Mic equalizer - Individual controls for high frequency, midrange, and
low frequency equalization. The EQ controls both Microphone inputs.
Note: Any changes made to EQ settings will change the overall
output level.
4. Pre fader listen - Selects the channel(s) - 1, 2, or 3 - to be
previewed in the headphones.
5. Channel faders - Controls the output volume of each channel. The
signal is routed to the line faders after the gain, EQ, pan, and effects.
6. Crossfader - The crossfader is used to cross fade between channels
1 and 3.
7. Kill switches - Kill switches are used to completely eliminate Hi,
Mid, or Low frequencies from the audio. This can be used as an
performance effect.
8. Headphone outputs - This is the headphone output jack to connect
your headphones.
9. Cue pan - Fades the headphone output between the PFL signal
(selected by the Cue Select buttons) and master output, effectively
allowing the user to preview a mix.
10. Cue level - Controls the volume of the headphone output.
11. Booth level - Controls the booth output level. This is basically a 2nd
output. It is usually used for monitoring in a DJ booth, but can be
used for various applications.
12. Master output Pan- This is the pan or balance control for the mas-
ter output.
13. Master output level - Controls the overall output level of the mixer.
14. Output meters - These LEDs let you know if the audio coming out
of the mixer is loud enough (or too loud!). If the LEDs reach the red,
the mixer is probably clipping, or distorting.
15. Input selectors - These toggle switches select the input source
between phono and line for each channel.
16. Input gains - Controls the input sensitivity level of each channel. An
LED meter is provided on each of the 3 channels for proper
adjustment of the levels.
17. Channel equalizer - Individual controls for high frequency,
midrange, and low frequency equalization with +9dB/Kill
adjustments. Note: Any changes made to EQ settings will change
the overall output level.
DESCRIPTION OF FUNCTIONS
Power: This is the power switch to turn the mixer "ON" or "OFF"
AC IN: This is the Input connection for the included power supply.
Line: Line inputs (represented by the letter L, followed by the input
number) are used to connect to line level sources such as CD players,
Mini Discs, DATs, samplers, etc.
TT: TT (or phono) inputs are used to connect to turntables.
Ground: Connects to the turntable ground cable to eliminate electrical
hum. Ground cables are usually supplied with turntables
Master: Connects to an amplifier, EQ, crossover, or other outboard
signal processing.
Booth: This is a second output, like the master output. It is usually used
as a separate output in the DJ Booth for the DJ to monitor the mix
REC: This is the record output. The output level is static in this case,
there are no volume controls. It is used to connect directly to tape or CD
recorders. The volume can be set from the recording device.
SUPERIOR SOUND TECHNOLOGY
The audio quality of the M.303 is nothing short of revolutionary for DJ
mixers in its price class. The M.303 was designed by Stanton’s new
product development team, seasoned audio professionals who have
designed world class professional recording studio and broadcast mix-
ers and product managers who are working DJs and work closely with
some of the world’s most respected DJs. They have taken their knowl-
edge and experience to create the M.303, a DJ mixer with superior
audio quality and unprecedented value. Come hear the
difference!
TECHNICAL SPECIFICATIONS
Line Inputs:
2 (RCA) x3 channels,-10 dBV/ 10 kOhm
2 (RCA) x3 channels,-50 dBV/ 47 kOhm
1 (1/4”) 1XLR-50 dBV / 4.7 kOhm
2 (1/4”) Balanced/ (RCA) unbalanced
+4 dBu balanced / -10 dBV unbalanced
2 (RCA), -10 dBV / 100 Ohms
2 (RCA), -10 dBV / 100 Ohms
1 (1/4”), 1(1/8 inch)
Phono Inputs:
Mic Inputs:
Master Outputs:
Record Outputs:
Booth Outputs:
Headphone Output:
Dimensions (LxWxD):
15.3 in x 10.2 in x 4.3 in
(39 cm x 26 cm x 11 cm)
Weight:
7.0 lbs (3.2 kg)
Frequency Response:
THD+N:
20 Hz to 20 kHz +/- 1.3 dB
< 0.015% @ 1 kHz
Signal to Noise Ratio
(ref: max level):
Noise Floor:
> 110 dB (main signal path)
< -92 dBV (Line input to any output)
Crosstalk (Line to Line,
Phone to Line, Line to phone):
Fader Kill:
< -90 dB@ 1 kHz
< -90 dB
Channel EQ:
Hi +9, -45 dB, Kill: -45 dB
Mid +9, -35 dB, Kill: -35 dB
Low +9, -55 dB, Kill: -55 dB
REPLACEMENT PARTS
The following user replaceable parts are available from your local
Stanton dealer.
LF303
CF303
Line fader
Crossfader
PS-16US
PS-16EU
PS-16UK
US Power Supply (110v)
European Power Supply (220v)
UK only Power Supply (240v)
WARRANTY
Stanton Magnetics, Inc. – Warranty Provision – Returns for Repairs or Replacement
Warranty
Through Stanton’s authorized dealers around the World, Stanton, or one of Stanton’s
authorized distributors outside the U.S., will, without charge, repair or replace, at the sole
discretion of the entity responsible for making the repair or providing the replacement, any
Stanton merchandise proved defective in material or workmanship for a period of one (1)
following the date of original purchase. Exceptions to this warranty are as noted below:
The warranty for mechanical parts which are subject to wear and tear are limited to the ear-
lier to occur of thirty (30) days following the date of original purchase or the following num-
ber of cycles: Faders - 15,000; Rotary potentiometers - 10,000; and Switches - 10,000.
Stanton will warrant all replacement parts and repairs for ninety (90) days from the date of
original shipment. Repairs made necessary by reason of misuse, alteration, normal wear, or
accident are not covered under this warranty.
Returns
Authorized Stanton dealers are only authorized to sell and distribute merchandise within a
specific country. All goods requiring warranty repair or replacement must be returned (freight
prepaid if not hand-delivered) to the authorized Stanton dealer from whom the merchandise
was purchased and in the same country where the merchandise was purchased. For pur-
poses of purchases made via the Internet, the merchandise must be returned to the author-
ized Stanton dealer in the country where the authorized Stanton dealer which sold the mer-
chandise to purchaser is located and not the authorized Stanton dealer in the country where
the purchaser is located or the country in which the merchandise was received. Any returns
to a non-authorized dealer or to an authorized Stanton dealer not in the same country as
the merchandise was intended to be sold or as set forth above will void this warranty.
To initiate a warranty repair, you must contact the authorized Stanton dealer from whom you
purchased the merchandise, and follow such authorized Stanton dealer’s return policy.
Stanton assumes no risk and shall be subject to no liability for damages or loss resulting
from the specific use or application made of the merchandise. Stanton's liability for any
claim, whether based on breach of contract, negligence, infringement of any rights of any
party, or product liability, and relating to the merchandise shall not exceed the price received
by Stanton from your purchase of such merchandise. In no event will Stanton be liable for
any special, incidental or consequential damages (including loss of use, loss of profit and
claims of third parties) however caused, whether by the negligence of Stanton or otherwise.
To the extent permitted by law and except as otherwise provided above, Stanton disclaims
any express or implied warranties of merchantability or fitness for a particular purpose.
The above warranty provides you with specific legal rights. You may also have additional
rights, which are subject to variation from state to state and country to country.
If there is a dispute regarding the warranty of merchandise that does not fall under the war-
ranty conditions stated above, please include a written explanation with the merchandise
when returned pursuant to the terms and conditions set forth herein.
card to:
Stanton Magnetics, Inc, 3000 SW 42 St. Hollywood, Florida 33312.
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