ZRE-CEV Electronic Crossover Board Active Three-way Crossover Board DSP Parametric Equalization Board 6-channel PEQ Board

Type12: Pink (analog stereo input with high power amplifier output tripartite board)

This DSP audio processing board:  Electronic pre-stage 3 frequency division board: this DSP audio processing board defaults to 2-channel analog stereo input (also can input I2S signal), output with differential to single-ended output circuit, welding operational amplifier and peripheral FPC resistance and capacitance, the frequency division board defaults with patch operational amplifier, and can also weld better operational amplifier by itself.  DSP board can be set to active two-frequency division output mode: treble output; bass output.  It can also be set to active tri-division output mode: treble output; alto output; bass output.  It can also be set to 6-channel full-frequency output.  The DSP board uses three sets of voltages to supply power: + 12V Ting GND Ting Pi 12V TX 5V.  (ADC chip analog stereo signal 2.54mm pin pitch 3-digit pin socket input and 2.54mm pin pitch 3-bit pin socket output by default.  Electronic 3-division output 6 channels (L treble output; L midrange output; L bass output; R treble output; R midrange output; R bass output), electronic 2 division output 4 channels (L treble output; L bass output; R treble output; R bass output).  The default frequency division points of the frequency division board are: treble cutoff frequency 4.1kHz, alto cutoff frequency 250kHz 4.1kHz, bass cutoff frequency 250Hz.  (the frequency division point can be adjusted).  2 the default frequency division point of the frequency division board is: treble cutoff frequency 2.5kHz, bass cutoff frequency 2.5KHz.  (the frequency division point can be adjusted)

Classification description:  1: basic function: basic band display (OLED display or digital tube display) and knob operation (without remote control) can be controlled: main volume; treble volume; alto volume; bass volume; frequency division mode MODE selection; HPF treble frequency division frequency point; LPF bass frequency division frequency point; alto frequency division mode MODE selection; alto HPF treble frequency division frequency point.  Alto LPF bass frequency division frequency point, using patch operational amplifier, 5 seconds after the adjustment is completed to save the adjustment data.  The frequency division frequency adjustment range is 70Hz~6.3KHz, a total of 61 frequency points can be adjusted and selected.  The basic model includes: 1 black model.  Note: the basic model can be changed to increase the upgrade function, need to contact customer service!  2: upgrade function band display OLED display, remote control operation and knob operation can control: main volume; treble volume; alto volume; bass volume; bass volume; frequency division mode MODE selection; HPF treble frequency division frequency point; LPF bass frequency division frequency point; alto bass frequency division mode MODE selection; alto HPF bass frequency division frequency point; alto LPF bass frequency division frequency point; treble 6 segment EQ gain; midrange 5 segment EQ gain; bass 6 segment EQ gain.  Treble 6-segment EQ frequency; midrange 5-segment EQ frequency; bass 6-segment EQ frequency; treble L polarity selection; treble R polarity selection; alto L polarity selection; bass R polarity selection; bass R polarity selection.  Use the patch operational amplifier MC33078D to save the adjustment data 5 seconds after the adjustment is completed.  The upgraded model includes: 1 meter white, 2 orange, 3 emerald green, 4 cyan, 5 rose, 6 pink, 7 purple, 8 green, 9 blue, 10 coffee and 11 red.  The frequency division frequency adjustment range is 70Hz~19.5KHz, a total of 88 frequency points can be adjusted and selected.  Description: pink model is an analog stereo input 3-band high-power amplifier output, the output power is: treble output 30W; alto output 50W; bass output 80W, using DC voltage + 12V dint 20A power supply, with OLED display screen, with 32 EQ sound modes).  Note:  1. Blue band with Bluetooth music playback, USB disk music playback and FM FM radio function.  2; milky white description: a.  With 12-segment EQ gain adjustment.  b.  Delay adjustment of left and right vocal cords (adjustment range: 00us~1029.6us, step is 10.4us).  c.  With total volume adjustment and output channel volume adjustment.  d.  Use knob adjustment and computer software adjustment, power off and save after the adjustment is completed.  e.  98 frequency division points, adjustment range: 20Hz~20khz, can do ultra-low voice cut frequency transmission.  f.  The type of frequency division filter is Linguitz-Rayleigh (Linkwitz-Riley) by default, and the frequency division slope is 24db.  3. The green model is a 5-division output board with optical fiber input; coaxial input; Bluetooth input; computer USB input; analog stereo input; U disk music playback; FM radio.  The operational amplifier uses a plug-in JRC5532DD, and the operational amplifier can be replaced by itself with an operational amplifier socket.  With relay control output to prevent switch output impulse sound, with 27-segment EQ gain function, in which treble 6-segment EQ; mid-treble 5-segment EQ; midrange 5-segment EQ; mid-bass 5-segment EQ; bass 6-segment EQ.  Five groups of stereo outputs can be set separately for full-frequency output or frequency division output.

Use a 360-degree knob with menu buttons with the display screen to adjust: total volume adjustment, treble volume, alto volume, bass volume, frequency division parameter mode selection, Qualcomm HPF built-in frequency division point selection, low-pass LPF built-in frequency division point selection.  The alto frequency division point automatically changes according to the data set by treble frequency division and bass frequency division.  The built-in frequency division points are 61 HPF Qualcomm (88 frequency points for upgrade) and 61 low pass for LPF (88 frequency points for upgrade). Frequency: step between 70Hz~100Hz bands is 10HZX / 100Hz / 600Hz / 100Hz / 600kHz / 100Hz / 600kHz / 100Hz / 4.3kHz / 100Hz / 4.3kHz / 6.3kHz / 200HZ (upgraded 4.3kHz~6.5kHz / band / 200Hz / 6.5kHz / 19.5kHz / band / step / step is 500HZ).  61 built-in frequency dividers (88 frequency points for upgrade).  Balanced audio signal input and output 3 frequency division board: input and output for balanced audio signal, that is, Canon socket signal, each channel contains three lines: + signal wire,-signal wire and GND ground wire.  Default Power supply single Voltage + 5V Magi 1A

Instructions for use:  Function description:  Use the knob with 0.96in OLED display (or 6-digit LED display) to adjust: total volume adjustment, treble volume, alto volume, bass volume, frequency division parameter mode selection, Qualcomm HPF built-in frequency division point selection, low-pass LPF built-in frequency division point selection.  The alto frequency division point automatically changes according to the data set by treble frequency division and bass frequency division.  The built-in frequency division points are 61 HPF Qualcomm and 61 LPF low pass. The frequency between 100Hz~600Hz bands is 50Hz, the step between 100Hz~600Hz bands is 100Hz, the step between bands is 4.3kHz, and the step between bands is 200Hz.  61 built-in frequency division points in the frequency division board, or 88 frequency division points of the upgraded model, 6-segment PEQ in the high band, 5-segment PEQ; in the middle band and 6-segment PEQ in the bass band.  Serial port download frequency division parameters default frequency division frequency is treble 4.1KHz, alto 4.1KHZ~250HZ, bass 250HZ.  The display screen frequency division parameter defaults to 0 straight-through full-frequency output.  The following picture is the wiring diagram.

Operation instruction.  1.  Knob with menu to select the function button, press and hold the menu button without release when the power is off, then power on, release the button after 3 seconds, and the frequency division board will be reset.  two..  Menu function cycle selection is: VOL total volume adjustment; EQFS frequency division mode selection; HPF high frequency division point selection; LPF low frequency division point selection; ZyFS alto independent high frequency division mode selection; HPFZ alto independent high frequency division point selection; LPFZ alto independent low frequency division point selection; HUL treble output volume adjustment; LUL bass output volume adjustment; nUL alto output volume adjustment.  3.  Volume VOL function state, at this time the clockwise rotation knob total volume increases, counterclockwise rotation knob for the total volume decrease!  4. EQFS frequency division mode function state, turn the knob clockwise to select the frequency division coefficient mode for cyclic switching; ‘0download’ select the frequency division coefficient downloaded from the serial port for DSP and adjust the built-in EQ;’1 ‘for DSP to select the built-in frequency division coefficient of the frequency division board for frequency division.  5.  High-frequency HPF function state, at this time clockwise rotation knob for HPF Qualcomm frequency division parameter selection increases, counterclockwise rotation knob for HPF Qualcomm frequency division parameter decreases!  6.  Low-frequency LPF functional state, clockwise rotation knob for LPF low-pass frequency division parameter selection increases, counterclockwise rotation knob for LPF low-pass frequency division parameter reduction!  7. In the functional state of ZYFS midrange frequency division mode, turn the knob clockwise to select the frequency division coefficient mode for cyclic switching;’0 automatic’is that the alto frequency division point is automatically adjusted according to the high bass frequency division point and bass frequency division point; and’1 independent’is the alto independent frequency division point.  8. HPFZ alto high frequency function state, at this time clockwise rotation knob for alto Qualto frequency division parameter selection increases, counterclockwise rotation knob for HPF Qualcomm frequency division parameter decreases!  Effective when the alto frequency division mode is "1 independent" mode.  9. LPFZ midrange and low frequency function state, clockwise rotation knob increases LPF low-pass frequency division parameter selection, counterclockwise rotation knob reduces LPF low-pass frequency division parameter!  Effective when the alto frequency division mode is "1 independent" mode.  10. HUL treble volume function state, at this time turn the knob clockwise to increase the treble volume alone, counterclockwise rotation knob to reduce the treble volume alone!  11. LUL bass volume function state, at this time clockwise rotation knob for bass volume increase, counterclockwise rotation knob for bass volume decrease!  12. NUL volume E function state, at this time clockwise rotation knob for alto volume increase, counterclockwise rotation knob for alto volume decrease!