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Owner

’s Manual

11

Owner’s Manual

5. Line / Hi-Z Switches [Chs. 1 and 2]

To connect a guitar directly to SRM-Flex without  

using a DI Box, move the switch to the right first – 

guitar icon – then connect the output from the guitar 

to the channel’s 1/4" TRS input. The input impedance 

is optimized for direct connection and high-frequency 

fidelity is assured.

When the switch is to the left, the channel’s 1/4" TRS 

input becomes a line input just like any other mono line 

input.

Without a DI box – or if this switch is not to the right 

– guitars may sound dull and muddy.

6. 1/4" Stereo Line Inputs [Ch. 3/4]

The stereo line inputs are designed for 1/4" TRS   

balanced or 1/4" TS unbalanced signals. They may   

accept any line-level instrument, effects device,  

CD player, etc. 

If you are connecting a mono source, use the left 

(mono) input, and the mono signals will appear  

on both sides of the main mix.

7.  Sig / OL LEDs

This dual-colored LED will illuminate green when  

the channel’s input signal is present, indicating signal.  

It will remain lit so long as there is signal above  

–20 dBu present in that channel.

This dual-colored LED will illuminate red when the 

channel’s input signal is too high, indicating a signal  

overload. This should be avoided, as distortion will  

occur. If the OL LED comes on regularly, check that  

the volume knob is set correctly for the input device.  

The signal is at –3 dB before hard clip begins.

EQ

RVB

LOW

HI

LOW

HI

SIG/OL

SIG/OL

5

7

10

11

12

13

6

20

8

9

14

19

15

17

18

8. 1/8" Stereo Line Input [Ch. 5/6]

The 1/8" stereo line input channel may accept  

an 1/8" line-level signal from a phone, tablet,  

MP3 player, or other signal source.

NEVER connect the output of an amplifier 

directly to this input jack. This could damage 

the input circuitry.
A Bluetooth connection and 1/8" line-level 

connection may NOT be used simultaneously. 

If there is a physical connection to the 1/8"  

input, it will take priority over any Bluetooth  

connection. For example, if you are playing a song 

from a phone (connected via Bluetooth) and connect 

an MP3 player to the 1/8" jack, the phone song will be 

interrupted and the MP3 player now takes precedence.

9. Bluetooth Button [Ch. 5/6]

In lieu of the 1/8" stereo line input, channel 5/6  

may accept a Bluetooth [stereo audio streaming]  

signal from a phone, tablet, MP3 player, or other  

signal source.

To enter pairing mode, press the Bluetooth 

button on SRM-Flex. The button LED  

will illuminate and flash yellow while  

in pairing mode. While SRM-Flex is in pairing mode, 

simultaneously scan for Bluetooth devices on your 

phone/tablet. You should see SRM-Flex appear  

in the “available devices” list. Select it by tapping 

“SRM-Flex”. From there, your device should indicate 

that it is successfully connected. Additionally, the 

Bluetooth LED will illuminate solid yellow to indicate 

success! If it does not, start the pairing process again, 

and make sure that SRM-Flex and your device are both 

in pairing mode at the same time.

When the SRM-Flex is turned off, it will 

recall the Bluetooth connection when  

powered back up. No need to re-pair!

If a device is paired and the Bluetooth  

button is pushed and held, it will drop  

the current connection and go back  

into pairing mode.

The Bluetooth may disconnect when  

affected by Electrostatic Discharge [ESD]. 

Manually reconnect the Bluetooth  

connection.

SRM-Flex: Top Panel Features continued...

Summary of Contents for SRM-Flex

Page 1: ...OWNER S MANUAL...

Page 2: ...not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular instal...

Page 3: ...st right o Application voicing modes tailor the system to your application and venue Choose between Music Speech and Live Find the Perfect Reverb o Put the finishing touch on your sound with a choice...

Page 4: ...t s a good idea to pay attention to text displayed next to a note icon as this icon draws attention to certain features and functions relating to the usage of the SRM Flex The following steps will hel...

Page 5: ...directly into the channel 2 input Or if you use effects connect the guitar to the effects input and another cable from the effects output to the channel 2 input Note here that the mic line Hi Z switc...

Page 6: ...s to your company employees to the board stakeholders convention attendees or whatever other presentation you can think of the possibilities are endless Is there a post speech karaoke off Or maybe the...

Page 7: ...for the DJ to announce the couple s first dance and any someone with a blue truck license plate XYZ123 left their lights on announcements All the music is on a playlist on the DJ s laptop It s connec...

Page 8: ...set to mic switch left and a rad guitar to channel 2 mic line Hi Z switch is set to Hi Z switch right An analog synthesizer is plugged directly into stereo inputs 3 4 and a drum machine into the 1 8...

Page 9: ...extension modules and high frequency driver column fit into each other and the SRM Flex s base station subwoofer bottom into top see drawings on the bottom left with the grille s facing the same way...

Page 10: ...ired as follows according to standards specified by the AES Audio Engineering Society XLR Balanced Wiring Pin 1 Shield ground Pin 2 Positive or hot Pin 3 Negative or cold In addition to accepting a ba...

Page 11: ...el signal from a phone tablet MP3 player or other signal source NEVER connect the output of an amplifier directly to this input jack This could damage the input circuitry A Bluetooth connection and 1...

Page 12: ...e current reverb level Don t hear any reverb Make sure it s turned on either via the SRM Flex or SRM Flex Connect app Channel Equalization EQ Channels 1 and 2 have 2 band EQ with shelving hi and shelv...

Page 13: ...enue applications where speech is the primary audio source in need of clear and precise intelligibility Live This mode is flat perfect for singer songwriters and other live performers 16 Super Power B...

Page 14: ...and output levels as well as display the reverb send levels and EQ boost cut You can get a good mix with peaks flashing anywhere shy of the far right 3 4 LED bars SRM Flex will sound muddy and distort...

Page 15: ...ermal switch resets itself and the SRM Flex resumes normal operation If the thermal switch activates try turning down the level control s a notch or two to avoid overheating the amplifier Be aware tha...

Page 16: ...certain frequencies causing peaks and dips in the frequency response of the room It is better to place them on a sturdy stand designed to handle the weight Position the SRM Flex so the high frequency...

Page 17: ...t department at 1 800 898 3211 normal business hours Pacific Time to explain the problem They will tell you where the nearest factory authorized service center is located in your area If you think you...

Page 18: ...ck Handles One on the top panel of the base station Display LEDs Front Defeatable power Top Power Limiter Bluetooth Operating Temperature 0 40 C 32 104 F AcousticPerformance Frequency Range 10 dB 40 H...

Page 19: ...61mm 22 5in 572mm 17 0in 432mm 79 0in 2007mm DIMENSIONS 3 0in 76mm 2 8 71mm Accessories Included SRM Flex Carry and Cover Kit P N 2051980 00 Disclaimer Since we are always striving to make our product...

Page 20: ...mn PA System SRM FlexBlockDiagram Speaker Processing Hi Lo Amp Amp DAC DAC DAC Crossover Channel 1 Channel 2 Channels 3 4 Channels 5 6 Volume Volume Volume Volume Reverb Reverb DAC Master Volume Main...

Page 21: ...e noncompliance within the Warranty Period to the Company at www mackie com or by calling LOUD technical support at 1 800 898 3211 toll free in the U S and Canada during normal business hours Pacific...

Page 22: ...19820 North Creek Parkway 201 Bothell WA 98011 USA Phone 425 487 4333 Toll free 800 898 3211 Fax 425 487 4337 www mackie com...

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