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Copyright 2018 - RC Audio Systems Limited 

Unit 9 Luccombe Business Centre, Milton Abbas, Blandford Forum, Dorset DT11 OBD 

email:-

 

[email protected]

 

 

 

Page 3 of 8 

Features and Controls 

The LEVELIZA has two independent channels, and each channel has just three controls. 

 

The first control is "input gain" that can be used if desired to manually attenuate the input. 

 

The second control is to set the "threshold" for the desired maximum output level. 

 

The third control is the "assertiveness".  This control would usually be set to minimum in 

normal use, in which case the unit will consider the average perceived volume levels over a 

few minutes and try to work at an inaudible rate to correct the levels as necessary.  On 

occasions where the threshold level is being set/ascertained/calibrated, or if large 

fluctuations in level between different music sources are expected, the assertiveness can be 

turned up high and the unit will work much faster to maintain the correct perceived volume 

levels.  The engineer also has the flexibility to choose a level of assertiveness in between if it 

is considered beneficial to a particular application. 

In addition to its normal subtle operation the LEVELIZA will automatically work much faster for an 

"emergency response" in cases where the music is suddenly turned up considerably over threshold.  

It really is designed with the purpose of continuously managing the perceived volume levels just the 

same as a good human engineer would. 

There are two displays, one for each channel, and they simply indicates the approximate db of gain 

reduction that is currently being applied to that channel. 

TAMPER PROOF:- Also, for applications where the engineer does not want the threshold level to be 

increased  there  are  additional  hidden  tamperproof  adjustments  that  can  be  set  to  limit  the 

maximum output threshold. 

 

Connections 

Mains power is connected via a standard IEC cable into the rear of the unit. 

Audio inputs - there is an XLR input for each of the unit's two channels.  The unit is designed to 

operate at standard "line" levels. 

Audio outputs -  there is an XLR output for each of the unit's two channels. 

 

 

Summary of Contents for LEVELIZA

Page 1: ...EVELIZA User Manual Copyright 2018 RC Audio Systems Limited Unit 9 Luccombe Business Centre Milton Abbas Blandford Forum Dorset DT11 OBD email jon rc1 audio EVELIZA User Manual July 2018 Milton Abbas...

Page 2: ...roughout an event from an inconsistent source such as a DJ without need for an engineer to ride the gain throughout the event and without the compromises in performance and dynamic range associated wi...

Page 3: ...eived volume levels The engineer also has the flexibility to choose a level of assertiveness in between if it is considered beneficial to a particular application In addition to its normal subtle oper...

Page 4: ...of the LEVELIZA turned up fully clockwise In this position unless there is a really hot signal the unit remains inactive and the signal can pass through freely 2 Once the music signal is present and t...

Page 5: ...event will become reduced accordingly In cases where this reduced level is unacceptable and a consistent level is required even if the DJ plays below threshold then the LEVELIZA should be set so that...

Page 6: ...quickly reduced its attenuation by 10db to match then we put the assertiveness back to low normal again Without turning up the assertiveness in this situation the LEVELIZA wouldn t know that the sudde...

Page 7: ...amper proof thresholds 1 Turn the threshold knobs all the way up this is important 2 then with music playing at desired threshold volume using a tiny screwdriver turn the preset adjustment slowly cloc...

Page 8: ...utput for each channel Standard IEC power inlet Designed to be compatible with line level pro audio equipment Unbalanced 10V RMS Balanced 20V RMS Gain reduction shown in db for each channel Warranty w...

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