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Related Manuals for JFA Electronicos J4 REDLINE
Summary of Contents for JFA Electronicos J4 REDLINE
- Page 1 J4 REDLINE AUDIO PROCESSOR INSTRUCTION MANUAL...
- Page 2 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL PRESENTATION The J4 REDLINE Processor is a digital audio processor with 2 inputs and 4 outputs, which make it possible to congure independently. It has a display for real-time visualization of the input and output levels, simulating the function of an oscilloscope, and a potentiometer to adjust the maximum input audio level.
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Page 3: Connecting Diagram
The recommended wiring gauge is 1.5mm² for the positive-negative wires and 0.50mm² for the remote wires. The J4 REDLINE Processor should be xed on a stable and easily accessible base (support) away from heat sources. It is not recommended to install the product on the sides of loudspeakers, due to vibration. - Page 4 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL GRAPHICAL DISPLAY AND NAVIGATION SYSTEM We recommend that, when working with the J4 REDLINE Processor, always keep the instruction manual handy so that you can consult it whenever necessary. HOME MENU Output Level...
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Page 5: Level Meter
J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL LEVEL METER Customizable presentation text Maximum peak storage RMS level of independent outputs RMS level of entries VOLTMETER FUNCTION Current Voltage of the Battery LOW VOLTAGE PROTECTION Temporary storage If the battery voltage is... - Page 6 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL LEVEL Master level adjustment Individual level adjustment PARAMETRIC MEDIUM EQUALIZER Memory for 3 custom settings Allows you to adjust the frequency and gain of each band...
- Page 7 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL SCREEN 1/4 Number of output channel L+R, L or R input routing Frequency of the high-pass lter High-pass lter type (See Addendum 1) Low pass lter frequency Low-pass lter type (See Addendum 1) SCREEN 2/4 Changes phase to 0°...
- Page 8 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL SCREEN 3/4 Number of output channel Turn on/off the Limiter function Value in dBu and VRMS of the actuation point of Limiter Response time of Limiter Recovery time for Limiter SCREEN 4/4 Parametric equalizer...
- Page 9 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL 3 Proles to save processor settings In each prole, Lets you transfer settings from up to 3 semi-parametric one prole to another equalizations can be set Example copy of PROFILE 1 to PROFILE 2 Lets you transfer settings from one prole to another...
- Page 10 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL Adjustment of output amplitude Reset of Momentary counter working time of the processor...
- Page 11 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL PRESENTATION TEXT CUSTOMIZABLE Supports up to 16 characters By pressing for 5 seconds on the level meter screen, enter the display text setting. To exit, simply press the centre key. Character selector Advance or retreat from home...
- Page 12 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL ADDENDUM 01 - X-OVER FILTER OPTIONS The Processor has 3 lter structures for cutting in the X-OVER menu, being them, BUT = Butte Work, BES = Bessel and LK = Link Witz, besides the option OFF = lters off.
- Page 13 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL ADDENDUM 02 - LIMIT USE OF THRESHOLD, ATTACK AND RELEASE Table with suggestions of Fc cut frequencies and Attack and release times recommended by XTA (American Audio Entity). Lower Court Frequency Fc, Time Attack...
- Page 14 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL ADDENDUM 03 - AUDIO NOISE To decrease the noise level, we suggest the following processor conguration/settings. 1- Merge the player’s L and R channels into a Y cable and enter the processor’s L channel.
- Page 15 J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL ADDENDUM 03 - AUDIO NOISE 3- Level screen -Keep Master gain at 100%. -Put channel gain at 90%. With the player close to the maximum volume and the gain of the amplier at least, increase the gain of the amplier until reaching the maximum power.
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Page 16: Technical Characteristics
J4 REDLINE AUDIO PROCESSOR - INSTRUCTION MANUAL TECHNICAL CHARACTERISTICS Input channels Output channels Frequency response 20Hz to 20kHz Master semi-parametric equalizer 15 bands -10 to +10dB Parametric equalizer per channel 1 band -12 to +12dB DSP , 24-bit hi-pass and low-pass lter 20Hz to 20KHz, (off/6/12/18/24/36 and 48dB/8°)
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