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Samson
Music Mixer
MXP144
Owner's Manual

Samson MXP144 Owner's Manual - Top Panel Controls

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Top Panel Controls

42. POWER Indicator - The POWER LED lights up to

indicate that the main POWER switch (located on the

rear panel) is on.

43. Output Level Meter - The output level meter allows you

to monitor the level of the signal, which is being sent

to the MAIN MIX jacks.

NOTE: To avoid distortion, adjust the MAIN MIX level

control so that the 0 indicator LED lights occasionally.

44. PHANTOM Power Switch and Indicator - The mixer

features an on-board, 48-Volt Phantom power supply

to operate condenser microphones. When the switch

is engaged, the LED will illuminate indicating that

phantom power is now available at the microphone

preamps.

IMPORTANT NOTE: To avoid a loud pop, be sure to

turn down the master level controls before plugging

and unplugging the mic cables when the phantom

power is active. Be sure the MAIN level fader is turned

all the way down before activating the Phantom Power

to prevent pops from entering any external device

connected to the mixer. Also, be sure the Phantom

Power is OFF when connecting or disconnecting

microphones.

45. TAPE & USB (MXP144FX only) TO MIX 2 + PHONES

- This switch is used to assign the TAPE and USB

(MXP144FX only) inputs to the MIX 2 and PHONES

outputs.

46. TAPE & USB (MXP144FX only) TO MAIN MIX - This switch

is used to assign the TAPE and USB (MXP144FX only)

inputs to the MAN MIX output.

47.

USB RETURN (MXP144FX only) and TAPE IN

Control -

This level control is used to adjust the volume of the signal

returning from a computer via the USB input (MXP144FX only) and audio

connected to the TAPE IN RCA jacks.

48. MIX2/PHONES Control - The mixer has a second set of output connectors

carrying a duplicate of the MAIN MIX signal for the purpose of feeding

another speaker zone or recorder. The MIX 2/PHONES control knob is

used to set the volume of the MIX 2 output and the overall level of the

Headphone output.

49. MAIN MIX Fader -

The MAIN MIX Level fader adjusts the level of main

left and right stereo mix sent to the MAIN MIX outputs.

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Summary of MXP144

Page 1
Mxp144/mxp144fx stereo mixers owner’s manual.
Page 2: Important Safety Information
Copyright 2014 v1.2 samson technologies corp. 45 gilpin avenue hauppauge, new york 11788-8816 phone: 1-800-3-samson (1-800-372-6766) fax: 631-784-2201 www.Samsontech.Com important safety information emc notice • mxp144 and mxp144fx can be used in following electromagnetic environment: residential, c...
Page 3: Important Safety Information
Important safety information warning: to reduce the risk of electric shock, do not remove cover (or back) as there are no user-serviceable parts inside. Refer servicing to qualified service personnel. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the ...
Page 4: Important Safety Information
1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manu- facturer’s instructions. 8. Do not install n...
Page 5: Table of Contents
5 table of contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 basic operation . . . . . . . . . . . . . . . . . . . . . . . . . . 7 adding digital effects (mxp144fx only) . . . . . . . . . . . . . . 8 usb connectivity (mxp144fx only). . . . . . . . . . . . . . . . . 9 fe...
Page 6: Introduction
6 congratulations on your purchase of the samson mixpad mxp144 or mxp144fx mixer! The mxp144 and mxp144fx are 12-channel mixers, with four mic/line channels with low-noise, microphone preamps, two stereo channels with xlr mic inputs and ¼” line input channels, and two stereo line input channels with...
Page 7: Basic Operation
7 basic operation the following section explains the basic setup and operation of the mixpad mxp144 and mxp144fx. 1. Before connecting any microphones or instruments, make sure that the power of all your systems components including the mixpad mixer is turned off. Make sure that the main mix and mix...
Page 8
8 adding digital effects (mxp144fx only) the mxp144fx features built-in, high quality, 24-bit multi effect processors, offering 100 studio grade effects presets. The digital effects section features clean delays, lush reverbs and multi-effects like delay + reverb. The following details the operation...
Page 9
9 the mxp144fx has a built-in stereo usb audio interface allowing you to record and playback from a computer using virtually any digital recording software. Setting up your mixer with a computer is a simple procedure that takes just a few minutes. The following section describes how to connect and s...
Page 10: Features
10 features the samson mixpad mixers are comprehensive, all-in-one solution for live sound, recording, fixed installation and post production applications. Here are some of their main features: • ultra-low noise, high headroom analog mixer • six class a mdr (maximum dynamic range) mic preamps • four...
Page 11: Mono Input Channel Section
11 mono input channel section the following section details four mono input channels. 1. Mic inputs - use these balanced xlr inputs to connect low impedance microphones and low level signals from direct boxes. The mic inputs feature +48v phantom power, allowing you to use condenser microphones. Xlr ...
Page 12: Top Panel Controls
12 top panel controls 8. Mon auxiliary control - controls the amount of that channel’s signal that is sent to the mon output. The signal feeding mon is sent before, or pre, the channel fader, so the channel fader has no effect on the mon level. The mon is usually used to create a separate mix for a ...
Page 13: Stereo Input Channel Section
13 stereo input channel section the following section details four stereo input channels. 14. Mic inputs (ch5/6 & ch7/8) - use these balanced xlr inputs to connect low impedance microphones and low level signals from direct boxes. The mic inputs feature +48v phantom power, allowing you to use conden...
Page 14: Top Panel Controls
14 top panel controls 20. Bal control - this control is used to place, or position, the stereo signal into the main left and right stereo mix field. You can create a stereo image by panning some input signals to the left and others to the right. 21. Peak indicator - this led indicator will flash red...
Page 15: Top Panel Controls
15 top panel controls 28 30 29 32 33 31 digital effects section (mxp144fx only) the following section describes the features control of the on-board 24-bit digital multi-effects section. 28. Program effects display - the mixer’s multi-effects processors feature a dual digit, seven-segment numerical ...
Page 16: Master Section
16 master section this following section details the master section of the mixer. 34. Tape in (rca jacks) - stereo line level input, on rca connectors, for connecting the output of devices such as mp3, cd, computer sound-card, or any other line level device. 35. Tape out (rca jacks) - the signal pre...
Page 17: Top Panel Controls
17 top panel controls 42. Power indicator - the power led lights up to indicate that the main power switch (located on the rear panel) is on. 43. Output level meter - the output level meter allows you to monitor the level of the signal, which is being sent to the main mix jacks. Note: to avoid disto...
Page 18: Rear Panel Connections
18 this following section details the rear panel connections. A. Ac inlet - connect the supplied power cable here. B. Power - switches on the mxp144 and mxp144fx main power. C. Usb port (mxp144fx only) - connect the mixpad mixer to a computer using standard usb cable here. Rear panel connections a b...
Page 19: Wiring Guide
19 there are several ways to interface the mxp mixer to support a variety of appli- cations. Follow the cable diagrams below for connecting your mixer. Wiring guide rca pin 1 (shield) pin 3 (cold) sleeve (ground) shield & cold to sleeve tip (signal) pin 2 (hot) hot to tip male xlr tip (signal) sleev...
Page 20: Maximum Voltage Gain
20 frequency response (trim @ min, unity gain ± 3 db) mic to main 20hz~30khz line to main 20hz~30khz aux return to main 20hz~30khz line to aux send 20hz~30khz t.H.D. (trim @ min, +4dbu output, unity gain, 1 khz w/30 khz lpf) mic/line to main (mono ch) line to main (stereo ch) line to aux send equiva...
Page 21: Specifications
Specifications phantom power 48v±3v power requirement ac100~240v 50~60hz fuse t1.6a al250v power consumption dimensions (w x d x h) 15.3” x 14.5” x 3.9” 391 mm x 370 mm x 100 mm weight 8.3lb / 3.8kg usb bus power usb2.0 +5v dc 0.5a max usb a-type female internal dsp effects 100 presets.
Page 22: Number
22 number effect parameter 00-09 echo delay time: 145~205ms 10-19 echo + verb delay time: 208~650ms decay time: 1.7~2.1s 20-29 tremolo rate: 0.6~5hz 30-39 plate decay time: 0.9~3.6s 40-49 chorus rate: 0.92~1.72hz 50-59 vocal reverb decay time: 0.8~0.9s pre-delay: 0~45ms 60-69 rotary modulation depth...
Page 23: Block Diagram
23 block diagram 2 1 3 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b 2 1 3 3c 5e 1a 4d 2b 3c 1a 4d 2b 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b t r s t r s 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b 2 1 3 3c 5e 1a 4d 2b 3c 5e 1a 4d 2b 2 1 3 channels (1-4) mic in +48v 3-band eq 12k 80 peak left-b...
Page 24
Samson technologies corp. 45 gilpin avenue hauppauge, new york 11788-8816 phone: 1-800-3-samson (1-800-372-6766) fax: 631-784-2201 www.Samsontech.Com.