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Alesis Plus User Manual

Alesis quadraverb plus audio-digital processor: user guide
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Alesis
QUADRAVERB
Plus
USERS MANUAL
ADDENDUM

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Summary of Contents for Alesis Plus

  • Page 1 Alesis QUADRAVERB Plus USERS MANUAL ADDENDUM...

  • Page 2: New Features

    The operation of the QuadraVerb Plus is identical to the original QuadraVerb and all original features of the QuadraVerb are retained in the QuadraVerb Plus . All patches originally written for the QuadraVerb will sound the same on the QuadraVerb Plus. This addendum only describes the new features. Full instructions on the operation of your unit can be found in your User's Guide.

  • Page 3: Multi Tap Delay

    There are 5 resonators in the QuadraVerb Plus. MULTI TAP DELAY The Multi Tap Delay is a new type of delay available in the 5 BAND EQ->PITCH- >DELAY configuration.
  • Page 4 250 ms 250 ms TAP 1 TAP 2 250 ms 500 ms TAP 1 0.5 Sec In Figure 7A, Tap #1 is set at 250ms, Tap #2 is set 250ms behind Tap #1 (500ms from the beginning), Tap #3 is set 500ms behind Tap #2 (1 second from the beginning).
  • Page 5 MULTI TAP DELAY DELAY 1 DELAY 2 PAN 1 FEEDBACK AMP 10 FEEDBACK 1 FEEDBACK 2 5 BAND EQ PITCH EQ OUTPUT DIRECT PRE/POST EQ EDITING THE MULTI TAP DELAY PARAMETERS 1) To access the Multi Tap Delay parameters, press the display will then read: Press the "Up"...
  • Page 6 Pressing the buttons will select the other input choice which will VALUE read: This page selects whether the input signal to Input #1 of the Delay section is derived either before (Pre) or after (Post) the EQ. This page is also identical to the original QuadraVerb configuration.
  • Page 7 6) Pressing the "Up" PAGE volume to be edited, which will read: Pressing the buttons will select the desired Output Volume. VALUE range is 0 to 99. 7) Pressing the "Up" button again will select the individual Tap Panning to PAGE be edited, which will read: Pressing the...

  • Page 8: Selecting The Sampling Configuration

    76 of the QuadraVerb Users Manual. SAMPLING The QuadraVerb Plus now has the ability to make a 1.55 second sample of the input being fed to it. The maximum record time is 1.55 seconds. In playback, the sample start and length times can be altered for special effects or to trim the playback of the sample to the actual start point of the sound.

  • Page 9: Recording By Audio Trigger

    RECORDING A SAMPLE There are two ways to record a sample. sample), the QuadraVerb Plus waits for the incoming audio to trigger recording. The second method requires the user to initiate recording by pressing the switch on the front panel.
  • Page 10 The display will read: BYPASS 5) Send a signal to the QuadraVerb Plus. When the first LED (-18dB) lights, the input signal has passed the audio threshold and recording has begun. For the best recorded signal, raise the input level control so that the -6dB LED lights.

  • Page 11: Playing Back A Sample

    To playback again, press the 3) The volume of the sample can be increased or decreased by the control of the QuadraVerb Plus. 1A) If you wish to have the sample play back continuously until told to stop, press the "Down"...
  • Page 12 This can happen in two ways. In the first, called MIDI One Shot, when a MIDI note on is received by the QuadraVerb Plus, the recorded sample will play back to the selected end of the sample, regardless of how long that the key is depressed.
  • Page 13 "Down" button once will select the next display, which will VALUE read: When the MIDI Trigger is in the "Off" state, then the QuadraVerb Plus will not respond to MIDI note on/off information. 4) Pressing the "Up" button two times will select the next display, which...
  • Page 14 The Base value is the note where the sample will play back with no pitch change. 4) Press the buttons to select the desired note. Note number 60 = Middle VALUE 5) Press the "Up" button. The next display will read: PAGE 6) Press the "Down"...
  • Page 15 This page will determine at what point in the sample that playback will start. 3) Press the button to select the desired Start time. VALUE The start can be anywhere in the sample in 10 millisecond steps. When the start of the sample is moved, the length of a loop is maintained unless the end of the sample is reached before the loop duration.
  • Page 16 4) Press the buttons to select the desired recorded Sample signal level. VALUE The range is 0 to 99 with 0 being off. PANNING AND TREMOLO MODULATION Auto Panning and Tremolo modulation of the EQ output has been added to the EQ->PITCH->DELAY->REVERB configurations.
  • Page 17 PITCH EQ OUTPUT PANNING/ TREMOLO DIRECT PRE/POST EQ FIGURE 6 5 BAND EQ->PITCH->DELAY BLOCK DIAGRAM 5 BAND EQ EQ OUTPUT DIRECT PRE/POST EQ EDITING THE PANNING OR TREMOLO PARAMETERS 1) To access the Auto Panning parameters, press the will then read: 2) Press the "Up"...
  • Page 18 This page allows the selection of the direct signal going either Pre-EQ, Post-EQ (both with no panning or tremolo), or Post-EQ with Panning or Post-EQ with Tremolo. 3) Pressing the "Up" PAGE Tremolo Depth page which will read: ...depending on if Panning or Tremolo was selected above. Pressing the buttons will select the desired amount of Panning or VALUE...

  • Page 19: Ring Modulator

    It is most useful for generating metallic, bell-like sounds. The Ring Modulator in the QuadraVerb Plus creates two signals (Up and Down) from the initial input signal. The up output signal is a version of the input signal with its harmonic spectrum shifted up, while the down output signal is the input signal with its harmonic spectrum shifted down.
  • Page 20 INPUT SIGNAL UP OUTPUT PITCH SHIFT AMOUNT = 200Hz DOWN OUTPUT In Figure 1A, the fundamental (or frequency that we perceive as the instrument's pitch) is 500 Hz. The harmonics are normally even multiples of the fundamental, or 2 times the fundamental, 3 times the fundamental, 4 times the fundamental, etc.
  • Page 21 QuadraVerb Plus gives independent access to the Up and Down version of the original spectrum. The ring modulator treatment will be most valuable for special effect on voices or sound effects. SELECTING THE RING MODULATOR The Ring Modulator is accessed through new Configuration 6, which is RING MODULATOR->DELAY->REVERB.
  • Page 22 Instead of just processing a signal such as Delay or Reverb, a resonator generates a pitch in addition to the original input signal. There are 5 resonators in the QuadraVerb Plus. The initial resonating frequency of each resonator can be individually adjusted (tuned) on a chromatic scale. The resonator frequencies also chromatically follow incoming MIDI notes.
  • Page 23 SELECTING THE RESONATOR CONFIGURATION The Resonators are accessed through new Configuration 7, which is RESONATOR->DELAY->REVERB. The block diagram of this configuration is as follows: FIGURE 3 CONFIGURATION 7 RESONATORS->DELAY->REVERB BLOCK DIAGRAM RESONATOR CONTROLS: Decay time Frequency Resonator 1 Resonator 2 Resonator 3 Resonator 4 Resonator 5...
  • Page 24 PLEASE NOTE: When playing the resonators from MIDI, the five pitches are determined by up to five notes played on the MIDI keyboard. When used this way, the resonator's tunings should be set to zero for proper keyboard tuning. 2) Pressing the "Up" button will select the next page which will read: PAGE This page simultaneously adjusts the decay time of the five resonators.
  • Page 25 EDITING THE DELAY AND REVERB PARAMETERS The parameters and mode of adjustment of the Delay and Reverb sections are identical to the original LEZLIE-> DELAY->REVERB configuration as found on page 69 of the QuadraVerb Users Manual.

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