Akai MFC42 Operator'S Manual Download Page 1 | Manualshive

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Analog Filter Module

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Summary of Contents for MFC42

Page 1: ...Analog Filter Module ...

Page 2: ...E RULED BY UL STANDARDS U S A The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intented to alert the user to the presenceofi...

Page 3: ...There are no serviceable parts inside Do not put or allow anyone to put any object especially metal objects into the MFC42 Use only a household AC power supply Never use a DC power supply If water or any other liquid is spilled into or onto the MFC42 disconnect the power and call your dealer Make sure that the unit is well ventilated and away from direct sunlight To avoid damage to internal circui...

Page 4: ...IBLE SHOCK HAZARD SHOULD IT BE INSERTED INTO A 13 AMP SOCKET ELSEWHERE The wires in this mains lead are coloured in accordance with the following code GREEN and YELLOW Earth BLUE Neutral BROWN Live As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug please proceed as follows The wire which is coloured ...

Page 5: ...riques dépassant les limites applicables aux appareils numériques de la Class B prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada 27 F This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications 2...

Page 6: ...not be liable for any injury loss or damage direct or consequential arising out of use or inability to use the product The warranty provides only those benefits specified and does not cover defects or repairs needed as a result of acts beyond the control of AKAI professional including but not limited to 1 Damage caused by abuse accident negligence AKAI professional will not cover under warranty an...

Page 7: ...v WARNING ...

Page 8: ...yclically with Groove Modulator RATE 14 Control the cut off cyclically with Groove Modulator MIDI CLOCK SYNC 14 Shifting LFO waveform with L R PHASE 15 Control on Mono channel with Groove Modulator 15 MANUAL TRIGGER 16 Controlling Cut off on Mono and Stereo channels simultaneously 16 Chapter 4 MIDI Function 18 MIDI Receive channel setting 18 Recording the knob operation to sequencer 18 Sending the...

Page 9: ...o or MIDI Clock Sync functions with LFO Envelope the filter cut off resonance can be controlled It also has the Manual Trigger function to trigger the envelope manually at any point MIDI function Almost all keys and knobs are assigned with the MIDI Control Change number With the use of external sequencer e g MPC2000 MPC2000XL the movement of each key and knob can be recorded and played back later ...

Page 10: ...cted by BEAT key control the speed of LFO or the trigger timing of envelope key is lit while ON 7 BEAT key Used with the MIDI CLOCK SYNC or TAP TEMPO key it selects the note length that controls the speed of LFO or the trigger timing of envelope One of the six LEDs on their side is always selected ON and the key press toggles the selection The mark designates the note length of breve two whole not...

Page 11: ...at controls cut off resonance The larger the LFO waveform Envelope the more the changes 22 DESTINATION switch Selects the destination of Groove Modulator Manual Trigger to either Mono or Stereo channel to control its cut off resonance 23 L R PHASE knob Adjusts the phase difference of LFO waveform between Left and Right channels Stereo channel only 24 INPUT knobs Mono Stereo channels Adjusts the in...

Page 12: ...ng effect LED is lit while ON The effect is applied to both Mono and Stereo channels 36 SPEED knob Phase Shifter Adjusts the speed of phase shifter swirling rolling effect 37 DEPTH knob Phase Shifter Adjusts the depth amount of phase shifter swirling rolling effect 38 DISTORTION key Turns the distortion effect on off It distorts the sound LED is lit while ON The effect is applied to both Mono and ...

Page 13: ...he slide switch to PHONO side when the turntable is used 4 SIGNAL GND terminal Used for the signal grounding of the turntable 5 OUTPUT L R Two types of output connectors for the output L R 2 phone jacks and 2 RCA connectors Both types of connectors can be used simultaneously The same signal is available on both 6 MIDI IN Receives the MIDI signal 7 MIDI OUT Sends out the MIDI signal 8 MIDI THRU Ret...

Page 14: ...off before making connections STEREO L R MONO OUT PHONO MIDI OUT MIDI IN Synthesizer Turntable Monitor Sequencer Rhythm machine SIGNAL GND d h A L r l b g J fl B Œ Æ Œ ª X C B d Sequencer Signal flow EQ MONO STEREO INPUT LEVEL INPUT LEVEL LEVEL PAN LEVEL PHASER OUTPUT L R PHONES DIST FILTER FILTER ...

Page 15: ...h character It oscillates when it s overdone NOTCH Cuts out the frequency components adjacent to the cut off frequency and passes through the higher and lower frequency components Note The CUTOFF knob may not change the sound character as the depth of filter notch is lessened when RESONANCE knob is turned up HIGH PASS Passes the frequency components higher than the cut off frequency and cuts out t...

Page 16: ...42 and then your monitor system in that order Level adjust Adjust the level of MFC42 while playing the rhythm machine Turn the INPUT and LEVEL knobs on Stereo channel fully clockwise Next turn the MAIN VOLUME or PHONES LEVEL for headphone up to the appropriate level Panel settings Turn the RESONANCE fully counter clockwise and the CUTOFF knob to 2 O clock position and set the FILTER TYPE switches ...

Page 17: ... effect gives the distinguish character of metallic sound Try rotating the RESONANCE knob It should sound metallic as you rotate the knob As the effect of RESONANCE changes largely on the position of CUTOFF knob try changing the CUTOFF position when the effect of resonance is not so significant 5 Using the effects The MFC42 has the Phase Shifter and Distortion effects unit built in The phase shift...

Page 18: ...nce In Cutoff 1 cycle LFO waveform apply this to cutoff Time Frequency Cutoff frequency The cutoff frequency changes along the LFO waveform L F O s p e e d Slow 1 cycle Fast 1 cycle The LFO speed means the length of waveform Adjusting trigger timing of Envelope Slow Trigger timing Trigger timing of Envelope Fast In Envelope it adjusts the duration between Enve lopes not like the cycle length in LF...

Page 19: ...n the sustain time is the time the TRIGGER key being held Groove Modulator What is the Groove Modulator In order to control the cut off and or resonance and change the sound character cyclically it requires the setting of speed way and amount of change The section that does all these is called the Groove Modulator and consists of the BEAT module LFO ENVELOPE module and DEPTH module BEAT module spe...

Page 20: ...note selected Select the crotchet note for the time being it can be changed later The length of this note is the length 1 cycle of the LFO waveform Refer to the Keyword in advanced operation 2 LFO waveform selection way of change Selects the LFO waveform here to specify how the cut off changes Press WAVE key to select the waveform The key press toggles the waveform selection Select the Triangle fo...

Page 21: ...Select the crotchet note for the time being it can be changed later 2 Envelope setting way of change As for the LFO the Envelope can specify how the cut off resonance changes However since the envelope has no preset shape as the LFO waveform it is required to set how to change manually The A D S R knobs set the envelope shape Set the A D knobs to 11 O clock and the S R knobs to 12 O clock position...

Page 22: ...R knobs set the shape of Envelope instead of waveform selection with the WAVE key Rotate the CUTOFF and RESONANCE knobs and or change the selection of FILTER TYPE and the number of poles to confirm the change of sound Control the cut off cyclically with Groove Modulator MIDI CLOCK SYNC With the connection of external MIDI device such as the rhythm machine and sequencer you can control the cut off ...

Page 23: ...O waveform between the left and right channels becomes larger Note The L R PHASE knob is effective only while the cut off resonance is controlled by the LFO No effect is observed while the Envelope is used Control on Mono channel with Groove Modulator Up to this point we explained how to control on the Stereo channel To control the sound of Mono channel set the DESTINATION switch to Mono channel u...

Page 24: ...odulator is controlling the cut off resonance the control is cancelled LFO ENVELOPE key off and the Envelope is triggered Press the LFO ENVELOPE key again to resume the control by the Groove Modulator Controlling Cut off on Mono and Stereo channels simultaneously It is required that the signals are available on both the MONO IN and STEREO IN inputs and their signals are fed through the filter modu...

Page 25: ... to one direction the sound of Stereo channel changes sa if its CUTOFF knob is rotated to the other direction Turn the LINK and INVERT keys on Rotate the CUTOFF knob on the Mono channel The sound of both the Mono and Stereo channels change simultaneously Note The Link and Invert functions only control the cut off on the Mono and Stereo channels simultane ously but the setting of Filter Type and Po...

Page 26: ... out the MIDI Control Change messages via MIDI While Local Off is selected the MIDI Control Change messages are sent out via MIDI but not to the filter effect modules when the keys knobs are operated Confirmation of MIDI Control Change number The MIDI Control Change number assigned to the keys and knobs can be confirmed 1 Press the CC NUMBER key LED shows CCn 2 The assigned number will be displaye...

Page 27: ...neral Purpose Controllers 3 0 127 Lo Hi RESONANCE MONO 19 General Purpose Controllers 4 0 127 min max RESONANCE STEREO 20 Undefined 0 127 min max LEVEL MONO 21 Undefined 0 127 min max LEVEL STEREO 22 Undefined 0 127 min max PAN 26 Undefined 0 64 127 L C R SPEED PHASE SHIFTER 53 LSB for Control Change 21 0 127 min max DEPTH PHASE SHIFTER 54 LSB for Control Change 22 0 127 min max OUTPUT DISTORTION ...

Page 28: ... is connected as in the drawing its output sound can be changed in real time as well as syncing via MIDI recording the keys knobs operation of MFC42 and backing up its settings The following explanation is based on this drawing Refer to the MPC2000 XL Operator s Manual for their operation Changing the sound of MPC2000 XL Prepare the sequence data of Bass part Trk1 Ch1 and Drum part Trk10 Ch10 for ...

Page 29: ...ult to edit later on Recording the keys and knobs As an example we ll change the Bass part sound on the Mono channel with the CUTOFF knob and record its knob movement First confirm the MIDI Receive channel of the MPC2000 XL is set to ALL in the MIDI Input window The ALL is the default setting Set it to ALL when necessary The following illustration shows the MIDI Input window of the MPC2000XL CLOSE...

Page 30: ...se the track15 2 Set the MIDI channel on MPC2000 XL and MFC42 The recording track has been selected as track15 but the MIDI channel is set as MIDI channel 16 Since the MFC42 can have only one MIDI channel the previous control data recorded on track16 cannot be played back when the MIDI channel is set as channel 15 For example if the MIDI channels are assigned as follows the MIDI channel data on tr...

Page 31: ...ng example CUTOFF knob position in recording 12 O clock CUTOFF knob position when recalled 9 O clock When the data is recalled the internal data is at 12 O clock position while its physical location stays at 9 O clock It functions as the knob is at 12 O clock position Connecting MPC3000 For the connection with the MPC3000 and the procedure of recording the keys knobs operation on the MFC42 and or ...

Page 32: ...SHIFTER DISTORTION MIDI CH CC NUMBER Levers FILTER TYPE 2 x2 DESTINATION Connectors MONO IN 6 3mm phone jack x1 Impedance 47k Ohms max 16dBm STEREO IN 6 3mm phone jack x2 Impedance 47k Ohms max 16dBm RCA x2 LINE PHONO Impedance 19k 32k Ohms max 0dBm 33dB OUTPUT L R 6 3mm phone jack x2 Impedance 1k Ohms max 16dBm RCA x2 Impedance 1k Ohms max 16dBm MIDI DIN 5pin x3 IN OUT THRU Headphone 6 3mm stereo...

Page 33: ...Printed in China ...

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