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U S I N G   T H E   R E A C T O R   F R  

The Reactor FR is easy to use and offers a range of controls to fit a great 

range of musical performance requirements. NOTE: Before connecting the 

Reactor FR, it is advised that you should lower the output level of your 

preamp, processor, or other source device. 

 

1.

 

Connect the 

AC Cable

 supplied with your Reactor FR to the unit’s 

AC 

Power Input

 located on the back panel of the Reactor.  

2.

 

Using a high-quality cable, connect a signal source to either the 

Unbalanced (¼”) Input 

or

 

the

 Balanced (XLR) Input.

   

3.

 

Turn the  

Power Switch

 to ON (it should light up).  

4.

 

IMPORTANT: 

Wait at least 30-60 seconds for the amplifier to 

warm up, then set the 

Standby Switch

 to ON. The Reactor FR is 

now ready to be played. 

5.

 

Increase the level of your instrument or processor and set the 

Master Level

 of the 

Reactor FR

 to an appropriate level. Adjust 

the tweeter level to taste. 

REMINDER:

 The Balanced XLR Thru is an output, designed to pass the 

Balanced signal from the XLR input through to a second amplifier, mixer, 
recording console or other device. It is not wired to the unbalanced ¼“ in. 

WHO’S DRIVING?

 Whether you like to run your source signal “Hot” and 

lower the master volume of the Reactor FR, or crank the Reactor and use 
the upstream to set listening level is up to you. Either way, you will find 
that the Reactor FR operates quietly and produces a pleasing, high 
quality listening experience. 

POSITION & PLACEMENT

 As with any audio system the floor, walls, and 

other characteristics of your performance space will shape the sound of 
the Reactor FR. You can increase openness and clarity by elevating the 
Reactor FR from several inches to several feet above the floor using 
casters, blocks, or an amp stand. 

Summary of Contents for Reactor FR

Page 1: ...Atomic Reactor FR THE WORLD S FIRST AND ONLY TUBE POWERED FULL RANGE GUITAR AMP PERSONAL MONITOR www atomicamps com OWNER S MANUAL...

Page 2: ...LLC 2009 Atomic Amplifiers LLC All rights reserved Atomic Amplifiers LLC 476 Grace Trail Orange CT 06477 646 201 9543 tel info atomicamps com www atomicamps com WARNING TO PREVENT FIRE OR SHOCK HAZAR...

Page 3: ...R FR USER MANUAL T A B L E O F C O N T E N T S 2 The Atomic Reactor 3 Summary of Components 4 Controls Connections 6 Using the Reactor FR 7 Rig Diagrams 8 Maintenance 9 Service 10 Trouble 11 Specs 12...

Page 4: ...is the result of our design team s tireless efforts to create a superior sounding amplifier for the modern digital guitar rig A timeless all analog showpiece the FR ensures that preamps modelers and s...

Page 5: ...or simulation however the Reactor FR is able to restore the musical characteristics and feel that we usually expect only from a well designed analog tube amp The speaker system consists of a 12 speak...

Page 6: ...nced XLR Input This female XLR type connector accepts a balanced or unbalanced line level signal t Balanced XLR Thru This male XLR connector produces exactly the same signal that is connected to the b...

Page 7: ...ase for added brightness and sparkle s Speaker Switch Sets the function of the Speaker Jackd as follows Switch Setting Internal Speaker Jack Function ON ON ON OFF OFF ON EXT AMP In this position the j...

Page 8: ...ur instrument or processor and set the Master Level of the Reactor FR to an appropriate level Adjust the tweeter level to taste REMINDER The Balanced XLR Thru is an output designed to pass the Balance...

Page 9: ...put of the Reactor FR whichever is convenient for you STEREO GUITAR RIG Connect the left and right outputs of a stereo processor to the inputs of two Reactor FRs to create a wide 3D sound DUAL MONO Co...

Page 10: ...as control is used to set the idle current in the output tubes properly matching the amp s performance characteristics to the type of tubes used Each different tube type and brand may require a slight...

Page 11: ...Q How do I go about getting my amp repaired A If your amplifier should require service you have two options The first is to take it to an authorized service center in your area A list of service cente...

Page 12: ...ker cab must be connected to the speaker jack If the switch is set to Ext Amp an external amplifier must be used to power the internal speaker Is the level control of the attached external device turn...

Page 13: ...ut 270 mv 9 5db at 1000 Hz Sensitivity Return for 50watts output Power Amp Input Impedance 100K ohm Tubes One 12AX7A tube Two 6L6GC tubes Fuse US Model 115V AC Slow Blow 3 15A EU Model 230V AC Slow Bl...

Page 14: ...re to follow all operating instructions including the OVERPOWERING of speakers alterations and modifications or act of nature Such determinations will be made by Atomic Amplifiers This limited warrant...

Page 15: ...ct subject to the terms of this limited warranty Any product repaired or replaced under this limited warranty will itself be warranted only for the remainder of the limited warranty period of the orig...

Page 16: ...www atomicamps com Atomic Amplifiers LLC 476 Grace Trail Orange CT 06477 646 201 9543 tel info atomicamps com www atomicamps com...

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