JFA Electronicos J4 Pro User Manual Download Page 2 | Manualshive

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AUDIO PROCESSOR

PRO

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Summary of Contents for J4 Pro

Page 1: ...AUDIO PROCESSOR PRO USER MANUAL ...

Page 2: ...AUDIO PROCESSOR PRO ...

Page 3: ...gured independently It has a display for real time visualization of input and output levels simulating the function of an oscilloscope as well as a potentiometer for adjusting the maximum level of input audio Led indicators MUTE LIMITER per channel MUTE switch per channel Level adjustment maximum input Input L e R Output 1 2 3 e 4 Battery Positive _ GND REM Output REM Input ...

Page 4: ...odywork or sharp corners can cut them causing future problems The J4 Pro Processor must be connected before the ampli ers Failure to do so may result in damage to the speakers For the purpose of safe operation of the ampli ers the J4 Pro processor has a REMOTE OUT output which sends the 12V signal after the crossover is activated CONNECTION DIAGRAM IMPORTANT Any connection of the power input or ou...

Page 5: ...can consult it whenever necessary Usage Time Pink noise Pro le Selection Select return button Directional arrows Scroll level selector in the submenus Crossover Delay Limiter EQ Channel Equalization Output level HOME MENU NAVIGATION SCROLL Pressing the selector button and the directional arrow blocks and unlocks access the settings 1 4 2 4 3 4 4 4 ...

Page 6: ...ge Vpp level of the independent outputs Vpp level of inputs Customizable presentation text Pressing the screen for 5 seconds of the level meter enters the of the presentation text To exit simply press the central key Supports up to 16 characters ...

Page 7: ...LEVEL Level adjustment independent Master level adjustment SEMI PARAMETRIC EQUALIZER Memory for 3 custom settings Allows you to adjust the frequency and the gain of each band ...

Page 8: ...ber Input R L R or R routing High pass lter frequency High pass lter type See addendum 1 Low pass lter frequency Low pass lter type See addendum 1 SCREEN 1 4 Changes the phase by 0 or 180 Delay signal in millimeters SCREEN 2 4 ...

Page 9: ...er Turns the limiter function on off Value in dB and Vpp of the point of limiter s performance Limiter response time Limiter recovery time SCREEN 3 4 SCREEN 4 4 Adjusting the frequency and factor of merit Q Parametric equalizer ...

Page 10: ... settings In each pro le up to 3 semi parametric equalizations can be con gured Allows you to download settings from one pro le to another Sample copy of PROFILE 1 for PROFILE 2 Allows you to download settings from one pro le to another ...

Page 11: ...PINK NOISE TIME Time Reset of work Time Reset of work Output range adjustment On Off General usage counter of the processor ...

Page 12: ...BES Bessel and LK Link Witz in addition to OFF lters off BUT cuts in 6 12 18 24 dB 8ª BES cuts in 12 24 dB 8ª LK cuts in 12 24 36 48 dB 8ª ADDENDUM 02 LIMITER USE OF THRESHOLD ATTACK AND RELEASE THRESHOLD De nes from which level the limiter acts The range can be adjusted from 1 4 to 7 0 Vpp Limiter starts to act from of this level ...

Page 13: ...dvantage Desvantagem 1 The system receives a rst Peak until it enters into action Recomendado 1 For audios that have a following sequence of fast transients 1 Back rmness impact and punch the audio beats ATTACK Fast RELEASE Fast Advantage Disadvantage 1 Loss of audio dynamics Recommended 1 When you want more protection 2 When you want to highlight less audible harmonics increasing the feeling of t...

Page 14: ...al harmonic distortion THD 20Hz to 30kHz signal to noise ratio Phase Delay Maximum input level Maximum output level Bar graph Dimensions in millimeters W x H x D Weight in grams 2 4 20Hz to 20kHz 15 bands 10 to 10dB 1 band 12 to 12dB 20Hz to 20KHz off 6 12 18 24 36 and 48dB 8 0 002 at 1kHz 90dB 0 and 180 0 to 287cm 3 8Vpp 10KΩ 15Vpp 470Ω 0 to 6Vpp with hold peaks 202 x 103 x 43 480 ...

Page 15: ...AUDIO PROCESSOR PRO ...

Page 16: ...www jfaeletronicos com See all the automotive line products on our website ...

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