Art Quadra/FX Specifiche Pagina 1

- i -7KH$57 TABLE OF CONTENTSIntroduction ...

- 7 -& ENGINE BUTTONThe Quadra/FX contains up to four audio signal processors, or engines. Pressing thisbutton and turning the Encoder will sel

- 8 -) PARAMETER BUTTONWhen you press the Parameter button, the LEDs for all availableparameters of the current engine’s effect are lit. The curren

- 9 -Display shows for a bypassed engine and for a bypassed preset. Press Bypass again todisengage this mode. When Bypass is pressed in Preset mode,

- 10 -If you have made some favorite programs, either scroll through their parameters and write them down, or usethe MIDI Dump feature to off-load you

- 11 -NOTE: With Dry Kill active, a preset’s Mix parameter now sets the level of all sound coming out of theQuadra/FX. For example, with a Mix setting

- 12 -MIDI DumpBy performing a MIDI Dump, you can save all of the Quadra/FX’s presets to an external device capable ofrecording MIDI data. You can eve

- 13 -QUADRA/FX REAR PANEL CONTROLS & CONNECTIONSDespite the Quadra/FX’s sophistication, it is easy to interface the unit with other equipment. Al

- 14 -and #4. For more information on the different configurations of the Quadra/FX’s inputs and outputs, see page27 and the tutorial starting on page

- 15 -TUTORIALThe best way to understand the Quadra/FX is to just jump in and edit some presets. It doesn’t take long andyou’ll see how easy editing i

- 16 -CascadeCascade routing also has two processors with two linkedengines, but the output of the first processor is fed intothe second one. In this

- ii -Special Key Combinations: ...

- 17 -Engine button to enable routing changes. If you press any other button instead, the old routing will berestored.NOTE: Panner and Rotary are ster

- 18 -Parameter button again. All Parameter LEDs go out except for the one that was flashing (the one youselected). Turning the Encoder will now chang

- 19 -all active inputs. (For more information on the Smart Meter, see page 9.) The LED to the far left shows thecurrent preset’s routing. Make sure t

- 20 -procedure to edit as many parameters as you want. When you are done, you can save the preset by pressingStore, selecting a preset number to over

- 21 -Editing MIDI Parameters:To edit the Quadra/FX’s MIDI parameters, press the MIDI button. Notice that allof the Smart Meter LEDs are lit and its M

- 22 -NOTE: MIDI map can be set and changed from within any engine and it, along with the MIDI controllerassignments (see the next section), need to b

- 23 -To assign MIDI to trigger an engine’s Smart Encoder function, turn the Encoder until two Parameter LEDslight. If only one Parameter light goes o

- 24 -Preset mode and the MIDI edits will not be saved, though they will remain active until you change presets.MIDI Channel, however, is automaticall

- 25 -To tap in a new delay time, press the Encoder at the desired tempo. The number of times that you pressdoesn’t matter; the Quadra/FX takes the av

- 26 -trigger the Smart Encoder’s stored action. Each preset can have one default function and it becomes activeas soon as the preset is loaded.Whenev

- iii -Tremolo ...

- 27 -THE QUADRA/FX’s ADJUSTABLE PARAMETERSDESCRIPTION OF ROUTINGS AND ENGINESThe Quadra/FX contains four engines that can be routed in four different

- 28 -Cascade:This routing feeds the output of one stereo processor(grouped Engines #1 and #2) into another (grouped Engines#3 and #4). It only uses I

- 29 -Gated classes contain an auxiliary gate to create “ducking” effects. On reverbs, this class allows forforward/reverse gated reverb with no dec

- 30 -Bass Control-20-15-10-50510152010 100 1000 10000Frequency in Hz (Log Scale)Boost (dB)High EQEach effect has a user adjustable high equalization

- 31 -CHAMBER REVERBThe Chamber Reverb simulates a reflective enclosure (perhaps made ofwood or concrete) with a sound source at one end and a microph

- 32 -REVERB CLASSES:Vocal The Vocal Reverb class can be used to sweeten and enhance the intelligibility or breathy qualities of a sound,particularly

- 33 -REVERBDelay(Predelay)Size(Size)Regen(Diffusion)Decay(Decay)Shape(Shape)Pitch(Motion)Speed(Ramp Rate)Width(Depth)Special(*see below)Vocal 0–255ms

- 34 -Shape: Controls extra early-reflection delays that are used to modify the reverb envelope’s contour. Thisparameter’s range is from 0 to 31. Use

- 35 -In the Dynamic Class, Special sets the Threshold that switches the Decay time from a minimum setting tothe preset length. As with the above clas

- 36 -DIGITAL DELAYThese algorithms delay a signal in time. The maximum delay length, perchannel, is 2.75 seconds for Stereo routing and 1.25 seconds

- 1 -INTRODUCTIONThank you for purchasing a Quadra/FX and congratulations! You now own one of the most sophisticated pieces ofaudio signal-processing

- 37 -DynamicThe Dynamic Delay uses input level to switch the Regen amount between its preset value and 0. DELAY Delay (Delay Time ± 1 ms) Size

- 38 -other words, the left microphone only picks up sound from the left speaker and the right microphone onlypicks up sound from the right speaker.Pi

- 39 -PITCH TRANSPOSERThe Pitch Transposer (PT) algorithm can change the base-pitch of a sound.Each PT class contains an auxiliary digital delay that

- 40 -PITCHDelay(Predelay ± 1 ms)Size(Predelay ± 50 ms)Regen(Regen)Decay(Envelope Rate)Shape(Buffer Size)Pitch(Pitch)Speed Width(Pitch 2)Special(*see

- 41 -Dynamic class uses the Quadra/FX’s dynamics sensing to trigger the Whammit! effect. The Thresholdrange is the same as with the Vocal and Gated c

- 42 -CHORUSChorus is an effect that mixes a signal with slightly detuned copies toproduce a rich, moving texture. The Low Frequency Oscillator (LFO)

- 43 -DynamicA Dynamic Chorus can trigger the LFO through one cycle of its sweep when the input signal crosses abovethe programmed Threshold level. Wh

- 44 -controls the gating action of the effect. This parameter can be set in 1-dB increments, from 1 to 30 dBbelow full-scale. Normally, when the inpu

- 45 -FLANGERThe Flanger sweeps harmonically spaced filter notches through a signal’sspectrum. The Low Frequency Oscillator (LFO) Speed determines the

- 46 -DynamicA Dynamic Flanger will trigger the LFO through one cycle of its sweep when the input signal crosses abovethe programmed Threshold level.

- 2 -QUICK START INSTRUCTIONSYou’ve unpacked your Quadra/FX and you’re in a hurry to get it up and running. You probably would rather play with itthan

- 47 -the input signal is above the Threshold setting, the flanger is muted. With signals below the Threshold,flanging is heard. If the value in the D

- 48 -PHASERThe Phaser effect sweeps non-harmonically spaced notches through asignal’s spectrum. The Low Frequency Oscillator (LFO) Speed determinesth

- 49 -DynamicA Dynamic Phaser has 5-notches and will trigger the LFO through one cycle of its sweep when the inputsignal crosses above the Threshold l

- 50 -Special:In Vocal and Gated classes, Special sets the audio input level (Threshold) that controls the gating action ofthe effect. This parameter

- 51 -ROTARYThe Rotary effect simulates a 2-way rotating-speaker cabinet with a built incrossover network. Rotating speakers are traditionally used wi

- 52 -DynamicThe Dynamic Rotary uses the Quadra/FX’s dynamics sensing to automatically switch between low and highspeeds. The Threshold level at which

- 53 -Dynamic class uses the Quadra/FX’s dynamics sensing to switch between low and high rotor speeds. TheThreshold range is the same as with the Gate

- 54 -TREMOLOTremolo is a volume effect that fades a signal’s level in and out. The LowFrequency Oscillator (LFO) Speed determines the fade rate and L

- 55 -TREMOLODelay(Predelay ± 1 ms)Size(Predelay ± 50 ms)Regen Decay(Fade Time)Shape(LFO Shape)Pitch Speed(LFO Speed)Width(LFO Width)Special(*see belo

- 56 -on its high value. In the case of tremolo, low and high LFO values correspond to low and high volumelevels.A Threshold setting of is available

- 3 -board and not additionally at the Quadra/FX’s faders. One way to do this is to set EACH preset’s Mixparameter to 100%. This would be a tedious pr

- 57 -PANNERThe Panner is a stereo effect that alternately raises and lowers the volume ofthe left and right channels. The Low Frequency Oscillator (L

- 58 -PANNERDelay(Predelay ± 1 ms)Size(Predelay ± 50 ms)Regen Decay(Fade Time)Shape(LFO Shape)Pitch(LFO Offset)Speed(LFO Speed)Width(LFO Width)Special

- 59 -Width: Sets the LFO modulation width, or amount, from 0% to 100%.Special: In Vocal and Gated classes, Special sets the audio input level (Thres

- 60 -MIDI PARAMETERSThe Quadra/FX has three types of programmable MIDI parameters: channel, MIDI map, and continuous controllers(four per engine or e

- 61 -NOTE: An incoming program change message can only be set to recall one Quadra/FX preset. If the programchange number you have set is already bei

- 62 -CONTROLLER NUMBERPress the Encoder again to change the MIDI controller number that will modify the previously selectedAssigned Parameter. The av

- 63 -REFERENCE: Quadra/FX Factory Preset List# Name Routing In/Out 1 In/Out 2 In/Out 3 In/Out 41 Big Stereo ReverbStereo Concert Hall2 Tight Stereo

- 64 -/// Chorus ///50 2X ChorusCascade Chorus → Chorus51 MXR "Yellow"Stereo Vocal Chorus52 Jazzy ChorusStereo Instrument Chorus53 Danish Ch

- 65 -LFO Shapes (two cycles each)EXPONENTIAL (SHAPE = 0)The Exponential waveform is not availableon Tremolo and Panner effects.SINE (SHAPE = 1)TRIANG

- 66 -INVERTED RECTIFIED SINE(SHAPE = 4)SQUARE (SHAPE = 5)RAMP(SHAPE = 6)INVERTED RAMP (SHAPE = 7)The Decay ControlIn the Vocal class of Delay, Chorus

- 4 -Output #2 to the amp’s other effects return jack.) Again, don’t forget that the Quadra/FX has the power to actas two separate, stereo processors

- 67 -MIDI Controllers and NumbersHere’s a list of MIDI Controllers and their numbers, which will help you avoid conflicts if you control theQuadra/FX

- 68 -MIDI IMPLEMENTATION IN THE QUADRA/FXChannel Voice MessagesThe Quadra/FX ignores all Channel Voice messages except Control Change and Program Cha

- 69 -The SysEx message to make the Quadra/FX dump all presets is:F0 1A 0x 21 4B F7Other MIDI NotesThe Quadra/FX ignores inbound Active Sensing messag

- 70 -WARRANTY INFORMATIONLimited WarrantyApplied Research and Technology, Inc. will provide warranty and Service for this unit in accordance with the

- 71 -4) Pack the unit in its original carton or a reasonable substitute. The packing box is not recommended as ashipping carton. Put the packaged uni

- 72 -Quadra/FX Specifications:A/D converters: 20 bit, 64 times oversampled, delta sigma, X4D/A converters: 20 bit, 128 times oversampled, delta sigma

- 73 -A R T maintains a policy of constant product improvement. A R T reserves the right to make changes in design ormake additions to or improvements

- 5 -INSTALLATIONThe Quadra/FX may be used in a variety of setups including with mixer channel inserts, mixers with reverb send andreturn facilities,

- 6 -QUADRA/FX FRONT PANEL CONTROLS & INDICATORS- ROTARY ENCODER / SWITCHThe Rotary Encoder is used to change values or presets. Depending on t