![Mackie SRM150 [8/20] Front panel description](/img/pdf.png)
Mackie SRM150 [8/20] Front panel description
![Mackie SRM150 [8/20] Front panel description](/views2/1989812/page8/bg8.png)
8
FRONT PANEL DESCRIPTION
Plugging a guitar straight into a
typical line-level input can result in
the loss of gain, especially at high
frequencies, resulting in a dull sound.
Normally, you must use a direct box
between a guitar and a mixer’s or preamplifier’s input,
which serves to convert the impedance of the guitar
from high to low. The Instrument input on channel 1
makes the need for a direct box unnecessary. It’s like it
has its own built-in direct box!
However: The Instrument input is unbalanced, so if you
are running a long cord between the instrument and the
SRM150 (say over 20 feet), it is best to use a direct box
with a balanced output to avoid picking up noise over
the length of the cord.
5. 48V PHANTOM POWER Switch and
Indicator
Most professional condenser microphones require phan-
tom power, which is a low-current DC voltage delivered
to the microphone on pins 2 and 3 of the XLR micro-
phone connector. Push in the 48V button if your micro-
phone requires phantom power. An LED lights next to
the button to indicate that phantom power is active.
Most of the connections and controls on the SRM150
are located on the front panel for easy access.
1. MIC/LINE Inputs
Channels 1 and 2 have combo connectors, which
accept balanced microphone inputs from an XLR
connector, or balanced and unbalanced line-level inputs
from a 1/4" TRS or TS connector.
The XLR inputs are wired as follows:
Pin 1 = Shield or ground
Pin 2 = Positive (+ or hot)
Pin 3 = Negative (– or cold)
The 1/4" inputs are wired as follows and will accept
both balanced and unbalanced inputs:
Sleeve = Shield or ground
Tip = Positive (+ or hot)
Ring = Negative (– or cold)
2. Stereo Input
Channel 3 has a pair of RCA connectors, which accept
a stereo line-level input from a CD player or MP3 player
(or any other line-level device).
3. Channel Gain Controls
These are used to adjust the signal level for each
individual channel. Since the SRM150 incorporates
Mackie’s world-class low-noise mic preamp technology,
you can connect either a line-level or a microphone-level
signal to the input, and use this control to adjust the
level correctly.
Follow the Quick Start guide on page 4 for setting
the gain controls. For most applications, it will be in
the 12 o’clock position. If you have a particularly high
line-
level signal connected to the SRM150, you may
need to turn the control down to the 9 o’clock position.
If you have a low line-level or mic-level signal con-
nected, you may need to turn the gain control up to the
3 o’clock position.
4. INSTRUMENT Switch (CH 1)
Push in this button to change the 1/4" line input
on channel 1 to an instrument input. When the but-
ton is out, the 1/4" input accepts normal line-level
signals from low-impedance sources. When the button
is pushed in, the 1/4" input accepts high-impedance
signals from instruments with electric pickups, which
you would normally run through a DI box.
HIGH
12kHz
MID
2.5kHz
LOW
100Hz
MAXMIN
U
+15-15
U
+15-15
U
+15-15
MAXMINMAXMIN
MAXOFF
LEVEL
EQ
MIC/LINE
MIC/LINE
1
23
L
R
PHANTOM POWER
INSTRUMENT (CH 1)
48V
SRM150
MAIN
COMPACT ACTIVE PA SYSTEM
Содержание
- Compact active pa system 1
- Instrument ch 1 1
- Mic line mic line 1
- Phantom power 1
- Srm150 1
- Srm150 compact active pa system user s manual 1
- Important safety instructions 2
- This apparatus does not exceed the class a class b whichever is applicable 2
- Contents 3
- Important safety instructions introduction quick start hookup diagrams front panel description 3
- Placement 1 thermal considerations 1 ac power considerations 2 care and maintenance 2 connections 3 service information 4 3
- Rear panel description 0 3
- Srm150 specifications 6 srm150 block diagram 8 srm150 limited warranty 9 3
- Introduction 4
- Power amplifier 4
- The active advantage 4
- The cabinet 4
- The transducer 4
- Quick start 5
- Srm150 5
- Connect the microphone and an instrument to the srm150 channels 1 and 2 and a playback device like an mp3 player to channel 3 6
- Here the srm150 is used as a personal monitor and the srm450 is the main pa speaker 6
- Hookup diagrams 6
- Srm150 practice setup using mic stand and boom 6
- Srm150 small club setup with srm450 6
- This illustrates how to use the srm150 as a per sonal monitor mount the srm150 on a microphone stand using the mic stand mounting bracket in cluded with the srm150 attach the boom extender also included to the top of the srm150 and use a microphone boom to hold your microphone 6
- Aux aux aux aux aux 7
- Aux master 7
- Aux return 7
- Aux send 7
- Compact active pa system 7
- Dvd player 7
- Eq eq eq eq 7
- Instrument ch 1 7
- Main mix talkback 7
- Main out 7
- Mic line mic line 7
- Mic stand adapter included 7
- Mute mute mute mute mute 7
- Pan pan pan pan pan pan pan pan 7
- Phantom power 7
- Power cord 7
- Solo solo solo solo solo 7
- Srm150 7
- Srm150 a v cart 7
- Tv monitor audio 7
- Two srm150s are used as floor monitors to provide a stereo monitor mix for the keyboard player 7
- Two srm150s stereo monitoring 7
- Channel gain controls 8
- Follow the quick start guide on page 4 for setting the gain controls for most applications it will be in the 12 o clock position if you have a particularly high line 8
- Front panel description 8
- Instrument switch ch 1 8
- Mic line inputs 8
- Stereo input 8
- V phantom power switch and indicator 8
- High mid and low eq 9
- Main level 9
- Srm150 9
- Ac power receptacle 10
- Main in 10
- Mic line switch 10
- Power switch 10
- Rear panel description 10
- Srm150 10
- Thru connector 10
- Placement 11
- Thermal considerations 11
- Ac power considerations 12
- Care and maintenance 12
- 4 trs phone plugs and jacks 13
- Connections 13
- Rca plugs and jacks 13
- Rca type plugs also known as phono plugs and jacks 13
- Ts phone plugs and jacks 13
- Xlr connectors 13
- Service information 14
- Troubleshooting 14
- Need help 15
- Repair 15
- Visit www mackie com and click support to find faqs frequently asked questions manuals and addendums email us at techmail mackie com telephone 1 800 898 3211 to speak with one of our splendid technical support representatives monday through friday normal business hours pst 15
- Ac power requirements 16
- Construction features 16
- Disclaimer 16
- Mixer section 16
- Physical properties 16
- Power amplifier 16
- Safety features 16
- Srm150 specifications 16
- System specifications 16
- Transducer 16
- In 17 cm 17
- In 20 cm 17
- In 28 cm 17
- Srm150 17
- Srm150 block diagram 18
- Mackie limited warranty 19
- Please keep your sales receipt in a safe place 19
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