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4-Channel Line Mixer with FireWire
1
2
LEVEL
SET
U
U
GAIN
-14
+14
-14
+14
U
U
EQ
HIGH
KILL
+10
KILL
+10
U
U
MID
KILL
+10
KILL
+10
U
U
LOW
KILL
+10
KILL
+10
AUX
O O
MAX
MAX
O O
O O
FW IN
U
U
LEVEL
O O
MAX
O O
MAX
O O
O W N E R ' S M A N U A L
3
LEVEL
SET
U
GAIN
POWER
-14
+14
U
EQ
HIGH
L
R
OL
KILL
+10
10
U
7
MID
4
0
KILL
+10
U
4
10
LOW
20
KILL
+10
AUX
MAX
MAX
O O
MAX
O O
PHONES
U
LEVEL
LOOP
OUT
O O
MAX
MAX
4
U
-14
+14
U
KILL
+10
U
KILL
+10
U
KILL
+10
MAX
O O
U
O O
MAX
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Table of Contents
Related Manuals for Mackie U.420
Summary of Contents for Mackie U.420
- Page 1 4-Channel Line Mixer with FireWire O W N E R ’ S M A N U A L LEVEL GAIN POWER HIGH KILL KILL KILL KILL KILL KILL FW IN PHONES LEVEL LOOP LEVEL GAIN HIGH KILL KILL KILL KILL KILL KILL LEVEL...
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Page 2: Important Safety Instructions
For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority, or your household waste disposal service. U.420 4-Channel Line Mixer 17. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. -
Page 3: Table Of Contents
7. HEADPHONES OUTPUT ... 11 8. DC INPUT ... 11 9. FIREWIRE CONNECTION ... 11 Need help with your new U.420 Mixer? • Visit www.mackie.com and click Support to find: FAQs, manuals, addendums, and user forums. • Email us at: techmail@mackie.com. -
Page 4: Introduction
You will find that the U.420 mixer is a very useful piece of equipment, and we hope you will love it, just as much as we did making it for you. -
Page 5: Getting Started
Getting Started READ THIS PAGE!! Even if you never read manuals, please read and digest the safety instructions on page 2, and this page before you begin using your mixer. Zero the Controls Unplug the mixer’s external power supply from the mixer. -
Page 6: Hookup Diagrams
3. The main outputs are fed to a pair of Mackie HR studio monitors for control room listening, and the mixer’s Big Knob controls their volume. The headphone out has its own level control, independent of the Big Knob. - Page 7 2 & 3. A turntable is connected to the phono inputs on channel 4. Use the left aux send to connect to a Mackie SRM450 for stage monitoring. The U.420 will automatically sum the stereo signal to mono if you use the left aux output only.
- Page 8 1–4. The main outputs are fed to a pair of Mackie HR studio monitors for local monitor- ing, and the mixer’s Big Knob controls their volume. The headphone output has its own level control, independent of the Big Knob.
- Page 9 2 and 3, and an iPod docking station connected to channel 4. The main outputs are fed to a pair of Mackie HR studio monitors for local monitoring, and the mixer’s Big Knob controls their volume. The headphone output has its own level control, independent of the Big Knob.
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Page 10: Rear Panel Features
If you have a mono source component, then connect it to the left input, and the mono source will appear equally on the left and right of the main mix. (This does not apply to channel 4.) U.420 4-Channel Line Mixer MAIN (MONO) PHONO 3. -
Page 11: Main Outs
If you plug a cable into the left aux output jack, and leave the right output jack empty, the right and left signals are summed together to provide a mono output. The stereo aux output from these connectors is the sum of all channels whose aux level controls [16] are set to more than minimum. -
Page 12: Top Panel Features
They will be impedance-matched to the channel 1 left input, without the need for a DI box. (The right input is disconnected.) U.420 4-Channel Line Mixer LEVEL GAIN POWER HIGH... -
Page 13: 3-Band Eq
3-BAND EQ The U.420 has 3-band equalization at carefully selected points — low shelving at 300 Hz, mid peaking at 1 kHz, and high shelving at 4 kHz. “Shelving” means that the circuitry boosts or cuts all frequencies past the specified frequency. -
Page 14: Control Section
“0” and the “+4” LEDs. It is okay if the OL LEDs light occasionally, but if they light frequently or continuously, turn down the main level control until they blink occasionally or not at all. U.420 4-Channel Line Mixer LEVEL GAIN POWER... -
Page 15: Phones Level
21. FW LOOP OUT In addition to a mix of channels 1 to 4, the FireWire output to the computer can contain any FireWire input, if this switch is down. (The mains and phones are not affected by the switch, and always provide a full mix of channels 1 to 4 and the 2-channel FireWire inputs.) LEVEL LEVEL... -
Page 16: Appendix A: Service Information
Appendix A: Service Information If you think your U.420 has a problem, please check out the following troubleshooting tips and do your best to confirm the problem. Visit the Support section of our website (www.mackie.com/support) where you will find lots of useful information such as FAQs, documentation, and user forums. - Page 17 “Support” and select “Locate a Service Center.” Service for Mackie products living outside the United States can be obtained through local dealers or distributors. If you do not have access to our website, you can call...
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Page 18: Appendix B: Connections
1/4" TS Unbalanced Wiring: Sleeve = Shield Tip = Hot (+) U.420 4-Channel Line Mixer RCA Plugs and Jacks RCA-type plugs (also known as phono plugs) and jacks are often used in home stereo and video equipment and in many other applications. -
Page 19: Appendix C: Technical Info
Therefore, we reserve the right to change these specifications at any time without notice. “Mackie,” and the “Running Man” are registered trademarks of LOUD Technologies Inc. All other brand names mentioned are trademarks or registered trademarks of their respective hold- ers, and are hereby acknowledged. - Page 20 R Main Main U.420 4-Channel Line Mixer...
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Page 21: Appendix D: Firewire
Appendix D: FireWire System Requirements These are the minimum requirements for your com- puter system to use the U.420 FireWire interface. For the PC: • Windows XP (service pack 2) • Pentium 4 or Athlon XP processor • 256 MB RAM For the Mac: •... - Page 22 “virtual” mixer for monitoring. The U.420 ALWAYS provides zero-latency monitoring by design, without any extra configuration. Hurrah! Due to the nature of its signal path, the U.420 requires the use of direct hardware monitoring, as follows: • Arm the track you wish to record onto, on your DAW software.
- Page 23 When recording using the overdub method, it is important to set the U.420’s latency to it’s lowest oper- able setting. This means going into the audio interface property page of your recording program and setting the...
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Page 24: Software Installation
Windows Logo testing. It’s okay. We’ve tested it and it is compatible with Windows XP. Click “Continue Anyway.” 8. Now it is time to connect your U.420 FireWire connection to your computer. Follow the in- structions and then click “Next.”... - Page 25 12. A window will pop up to let you know that the installation was successful. Click “Finish.” Now you are ready to use the FireWire capabili- ties of your U.420. Console (PC only) You should adjust the sample rate and latency from within your audio software application, for example in Tracktion’s “settings”...
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Page 26: For The Mac
3. Click the Audio Devices tab, and select U.420 in the “Properties For” drop-down box. 4. Here you can see the settings for the U.420. You can also choose the U.420 as your default input or output, as well as designate it to be used for the system sound output. -
Page 27: Limited Warranty
To obtain repairs or replacement under warranty, you must have a copy of your sales receipt from the authorized Mackie dealer where you purchased the product. It is necessary to establish purchase date and determine whether your Mackie product is within the warranty period. - Page 28 16220 Wood-Red Road NE • Woodinville, WA 98072 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and South America: 425.487.4333 Middle East and Africa: 31.20.654.4000 Fax: 425.487.4337 • www.mackie.com E-mail: sales@mackie.com...