Alesis QuadraVerb 2 manuale d’uso

A L ES I S QuadraVerb2 Reference M a nu a l[...]

QuadraVerb 2 Reference Manual 1 Introduction Thank you for purchasing the Alesis QuadraVerb 2 simultaneous effects processor. To take full advantage of of the QuadraVerb 2’s fuctions, and to enjoy long and trouble free use, please read this user’s manual carefully. How To Use This Manual This manual is divided into the following sections descri[...]

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Contents QuadraVerb 2 Reference Manual 3 C ONTENTS 1: Setting Up .................................................................................................................. 7 Unpacking and Inspection ....................................................................................... 7 AC Power Hookup .....................................[...]

Contents 4 QuadraVerb 2 Reference Manual Stereo Chorus............................................................................................ 36 Quad Chorus.............................................................................................. 37 Mono Flanging .............................................................................[...]

Contents QuadraVerb 2 Reference Manual 5 Input Level ................................................................................................. 57 Output Level .............................................................................................. 57 LED Meter............................................................................[...]

Contents 6 QuadraVerb 2 Reference Manual To a Single ADAT ....................................................................................... 88 To Two or More ADATs ............................................................................... 89 To the AI-1 .....................................................................................[...]

Setting Up - Chapter 1 QuadraVerb 2 Reference Manual 7 C HAPTER 1 S ETTING U P Unpacking and Inspection Your QuadraVerb 2 was packed carefully at the factory, and the shipping carton was designed to protect the unit during shipping. Please retain this container in the highly unlikely event that you need to return the QuadraVerb 2 for servicing. The[...]

Chapter 1 - Setting Up 8 QuadraVerb 2 Reference Manual quality cables cost more, they do make a difference. Route cables to the QuadraVerb 2 correctly by observing the following precautions: • Do not bundle audio cables with AC power cords. • Avoid running audio cables near sources of electromagnetic interference such as transformers, monitors,[...]

Setting Up - Chapter 1 QuadraVerb 2 Reference Manual 9 TM Instrument or Effect Send Right Input T o Amplifier or Mixing Console Right Output • Mono In, Stereo Out. While still using a mono input, you could connect two cables to the [L] and [R] OUTPUTS of the QuadraVerb 2 to a stereo amplification system or two mixer inputs. TM Instrument or Effec[...]

Chapter 1 - Setting Up 10 QuadraVerb 2 Reference Manual The QuadraVerb 2 may be connected to a mixing console in several ways. Usually, it is connected to the auxiliary send and return controls of the mixer. Another method of interfacing is to connect the unit directly to the insert send and return patch points of the channel that is to be effected[...]

Setting Up - Chapter 1 QuadraVerb 2 Reference Manual 11 J Most Preset Programs route the LR IN signal to the LR OUT.When connecting to a mixer’s aux sends and returns. the Global Direct Signal Mute should be set to ON. To remove all direct routings of inputs to outputs on all Programs simultaneously: ¿ Press [GLOBAL]. The [GLOBAL] LED will be li[...]

Chapter 1 - Setting Up 12 QuadraVerb 2 Reference Manual Mono In - Stereo Out. If you only want to feed the QuadraVerb 2 a mono input, but wish to connect both of its outputs back to the mixer, you will need three 1/4" audio cables. Connect a cable from an effect send to the [R] INPUT of the QuadraVerb 2, another cable from the [L] OUTPUT of th[...]

Setting Up - Chapter 1 QuadraVerb 2 Reference Manual 13 Usually, insert connections require a special, stereo-splitting Y-cord to be connected (one stereo plug provides both send and return while two mono plugs connect separately to an input and output). These are known as TRS connectors (tip-ring- sleeve). The tip of the stereo plug typically carr[...]

Chapter 1 - Setting Up 14 QuadraVerb 2 Reference Manual Stereo. In the case where a stereo instrument, such as a keyboard or sampler, is connected to two separate channels of a mixing console, you will need two 1/4" TRS cables, one for each channel. The connection is made in a similar fashion as described above. MIXER Left Master Insert Right [...]

Setting Up - Chapter 1 QuadraVerb 2 Reference Manual 15 1 2 3 Tip Ring Sleeve Avoiding Ground Loops In today’s studio, where it seems every piece of equipment has its own computer chip inside, there are many opportunities for ground loop problems to occur. These show up as hums, buzzes or sometimes radio reception, and can occur if a piece of equ[...]

Chapter 1 - Setting Up 16 QuadraVerb 2 Reference Manual • To recall programs using MIDI program change messages • To control various parameters inside the QuadraVerb 2 in realtime via MIDI controllers ( example: A keyboard’s mod wheel, or pedals, etc.) • To send and receive SysEx (System Exclusive) dumps of individual programs or the entire[...]

Setting Up - Chapter 1 QuadraVerb 2 Reference Manual 17 To adjust the Advance Footswitch’s set of Programs: ¿ Press [GLOBAL]. The [GLOBAL] LED will light. ¡ Press [PAGE >] once. This selects page 2, and the display will read: FOOTSWITCH: 00 Pset TO 00 Pset ¬ Turn the [VALUE/ENTER] knob to adjust the Program number to begin the range (Preset[...]

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Your First Session With The QuadraVerb 2 - Chapter 2 QuadraVerb 2 Reference Manual 19 C HAPTER 2 Y OUR F IRST S ESSION W ITH T HE Q UADRA V ERB 2 Powering Up After making your connections, turn on the system’s power using this procedure: ¿ Before turning on the QuadraVerb 2’s power, check the following items: • Have all connections been made[...]

Chapter 2 -Your First Session With The QuadraVerb 2 20 QuadraVerb 2 Reference Manual The Value/Enter Knob Located just to the right of the custom LCD display, the [VALUE/ENTER] knob is used to select Programs and adjust parameter values that appear in the display. However, it is not just a knob, it is also a button. Depending on what parameter you [...]

Your First Session With The QuadraVerb 2 - Chapter 2 QuadraVerb 2 Reference Manual 21 Auditioning Internal Programs You can audition the Programs in the QuadraVerb 2 by using the [VALUE/ENTER] knob or the front panel buttons, whenever the QuadraVerb 2 is in Program mode (the [PROGRAM] button’s LED will be lit). To select a Program using the [VALU[...]

Chapter 2 -Your First Session With The QuadraVerb 2 22 QuadraVerb 2 Reference Manual Example Programs The following are descriptions of the three example Programs in the Preset bank. 96: “VerbOfMyDreams” This Program is fairly simple in design, using only 3 Blocks to provide EQ, Delay and Reverb. It is designed for a mono audio source to be con[...]

Your First Session With The QuadraVerb 2 - Chapter 2 QuadraVerb 2 Reference Manual 23 Adjusting Effects Levels Although we may not want to get started editing Programs just yet (that’s left for chapter 4), it is usually necessary to have immediate control over the output levels of each Effect Block, as well as the amount of direct level going fro[...]

Chapter 2 -Your First Session With The QuadraVerb 2 24 QuadraVerb 2 Reference Manual « Use the [< BLOCK >] buttons to select other Blocks, and adjust their levels, as described above. J Mix parameters affect the Program and are only temporary unless the Program is stored into memory before a another Program is recalled. See later in this cha[...]

Your First Session With The QuadraVerb 2 - Chapter 2 QuadraVerb 2 Reference Manual 25 Storing Edited Programs Once you are satisfied with the changes you have made to a Program, or are creating a new Program from scratch, you will need to store your edited Program back into memory. The QuadraVerb 2 will store the currently selected Program in memor[...]

Chapter 2 -Your First Session With The QuadraVerb 2 26 QuadraVerb 2 Reference Manual Bypassing Effects At any time you can bypass all effects at once, thereby allowing the direct signal to pass through the QuadraVerb 2 unchanged. This can be done in two ways: • by pressing the [BYPASS] button on the front panel; or, • by connecting a footswitch[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 27 C HAPTER 3 O VERVIEW The Architecture of the QuadraVerb 2 The QuadraVerb 2 provides eight Effect Blocks per Program, each of which can serve as either EQ, Pitch, Delay or Reverb. The display shows these Blocks from left to right, between the LR IN (left and right inputs) and the LR OUT (outputs)[...]

Chapter 3 - Overview 28 QuadraVerb 2 Reference Manual J PARAMETER. This is where you adjust the selected Block’s parameters. The number of pages available and the parameters found in them will be determined by the Block’s type. Some effect types have only one or two parameters on a single page; while other effect types (particularly reverbs) us[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 29 Setting the Routing Levels Each time you add a “patch cord” to a Program, the QuadraVerb 2’s display automatically prompts you to set its level. This is done by adjusting the attenuation level between -48dB and +0dB, or OFF. When set at +0dB, the signal is allowed to pass through at full v[...]

Chapter 3 - Overview 30 QuadraVerb 2 Reference Manual Pitch, Delay) type on the left channel and one of each type on the right channel, followed by a stereo reverb (a total of 7 Blocks). Because the QuadraVerb 2 is so flexible, occasionally you will have a combination of effects and/or parameters that may overtax either the available memory or DSP [...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 31 In the back of this manual, you will find an index of effect types, listing the percentage of DSP, Effect memory and number of LFOs required by each. Use this as a reference when one or more categories of limit handling have been exceeded and you wish to learn what options exist in reorganizing [...]

Chapter 3 - Overview 32 QuadraVerb 2 Reference Manual Equalization Equalization, or EQ, provides the ability to control the timbre, or coloration, of an audio signal by changing the frequency response of a QuadraVerb 2 audio path. Filters and EQ can be used to compensate for frequency deficiencies in microphones and other sound equipment. The EQ fa[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 33 Lowpass Shelf and Highpass Shelf A shelving EQ can boost or cut frequencies in its pass band, while allowing the frequencies outside its pass band to go through it. The shelving EQs of the QuadraVerb 2 provide gains from -14dB to +14dB in 0.1dB increments. Shelving filters are well suited for ap[...]

Chapter 3 - Overview 34 QuadraVerb 2 Reference Manual Multiband EQs 2 Band Sweep Shelf EQ, 3 Band Parametric EQ, and 4 Band Parametric EQ Multiband EQs can be used to flexibly and accurately tailor the tonality of a signal. The 3 band and 4 band parametric EQs in the QuadraVerb 2 can be used to boost and cut multiple bands, with the added flexibili[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 35 A resonator is a special filter whose response is so sharp that it actually imparts a pitch to any signal going through it. By tuning the resonator to your instrument and balancing their relative amplitudes you can accentuate different harmonics in a guitar tone, for instance. This can be very u[...]

Chapter 3 - Overview 36 QuadraVerb 2 Reference Manual Pitch Effects The Pitch effects alter the pitch of a signal in various ways to produce “layered” timbres that are more complex than the original signal. Although some of these effects can sound similar to one another depending on the parameter settings, each is achieved differently and can b[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 37 Quad Chorus modulates four delayed signals, each with its phase offset by 90 . Each of the four signals has a separate Predelay parameter, allowing you to change the “rhythm” of the phasing. Mono Flanging Flanging is similar to chorusing , but modulates the delayed signal over a much shorter[...]

Chapter 3 - Overview 38 QuadraVerb 2 Reference Manual signal. The Phasor shifts the phase of different frequencies in different amounts, resulting in a comb filter effect when combined with the dry signal. DRY SIGNAL DRY SIGNAL PHASED OUTPUT LFO PHASOR Mono/Stereo Lezlie Cabinet With the Lezlie type selected, the pitch change Block becomes a rotati[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 39 Delay Delay provides a discrete repetition of a signal. By adding feedback within the effect, the delayed signal can repeat many times, with each successive decay softer than its predecessor. Each Delay type allows you to adjust delay time in milli-seconds, but also displays the equivalent tempo[...]

Chapter 3 - Overview 40 QuadraVerb 2 Reference Manual Reverberation Reverb is made up of a large number of distinct echoes, called reflections. In a natural acoustic space, each reflection’s amplitude and brightness decays over time. This decaying action is influenced by the room size, the location of the sound source in the room, the hardness of[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 41 Chamber 2 This is similar to Chamber 1, but uses more DSP for a thicker sound. The high end in particular has a glassy decay which sounds excellent on synthesizers and pianos, but try it on vocals, too. This will sound more realistic when using short decay times. Large Plate This algorithm uses [...]

Chapter 3 - Overview 42 QuadraVerb 2 Reference Manual Reverb Parameters Most of the reverb effects in the QuadraVerb 2 operate under the same set of control parameters, which are listed and described in this section. However, reverbs which use more DSP provide parameters which take advantage of their extra processing power; parameters which are not[...]

Overview - Chapter 3 QuadraVerb 2 Reference Manual 43 DIFFUSION OF 0 DIFFUSION OF 99 L E V E L TIME L E V E L TIME Reflections further apart. Reflections closer together . Input High Frequency Roll Off This is a lowpass filter that can be set between 200Hz and 20kHz, and attenuates all frequencies above this value by 6dB per octave. Predelay All th[...]

Chapter 3 - Overview 44 QuadraVerb 2 Reference Manual Gating Of all the different reverb types, only two types do not provide gating parameters (“Reverse” and “Nonlinear”). Gating is the process which abruptly cuts off the reverb’s decay for a more “choppy” sound. This effect is very popular on drums because it makes them sound HUGE. [...]

Making Your Own Patches - Chapter 4 QuadraVerb 2 Reference Manual 45 C HAPTER 4 M AKING Y OUR O WN P ROGRAMS Getting Started Because the QuadraVerb 2’s custom LCD display clearly shows the audio routings between each of the 8 possible Effect Blocks, creating and modifying your own patches is extremely easy and flexible. There are 200 possible Pro[...]

Chapter 4 - Making Your Own Patches 46 QuadraVerb 2 Reference Manual Programming A Single Block Type J A Block can provide Equalization, Pitch, Delay, Reverberation or be turned OFF. A program can contain up to eight Blocks, which can be in almost any combination or order within the confines of available DSP memory. The Block’s Type determines no[...]

Making Your Own Patches - Chapter 4 QuadraVerb 2 Reference Manual 47 Routing Routing is the Function used to connect audio between the LR IN and the Effect Blocks and the LR OUT. We must route audio to both the inputs and outputs of our EQ Block in order to hear its effect. Routing is always done by selecting the destination (where you want the aud[...]

Chapter 4 - Making Your Own Patches 48 QuadraVerb 2 Reference Manual on input), lower the input level. You may also need to lower the routing level if a block is receiving signal from more than one source. On the other hand, the best signal-to-noise ratio is achieved when signals are as loud as possible without clipping. In the case of a one-block [...]

Making Your Own Patches - Chapter 4 QuadraVerb 2 Reference Manual 49 Parameter Now we will choose the desired parameters for our EQ. ¿ Press the [PARAMETER] button The [PARAMETER] button’s LED will light. J If the display reads “ RIGHT OUTPUT SELECTED ” you have not yet moved back to BLOCK 1. Press the [< BLOCK] button to move the pointer[...]

Chapter 4 - Making Your Own Patches 50 QuadraVerb 2 Reference Manual Mix Once we have setup our EQ Block the way we want, we should then go to the Mix function to adjust the Block’s output level. This, however, is only necessary if all we want to do is EQ our input signal. That would be fine, except we have 7 more Blocks we can use to stack effec[...]

Making Your Own Patches - Chapter 4 QuadraVerb 2 Reference Manual 51 Programming Multiple Blocks When you start adding more Blocks, the same principles apply as described in the previous section. However, the routing options begin to increase, since, as you add more Blocks, the number of input sources increases. Let’s take our simple 1 Block Prog[...]

Chapter 4 - Making Your Own Patches 52 QuadraVerb 2 Reference Manual ¿ Press [ROUTING]. The [ROUTING] button’s LED will light. ¡ Press the [BLOCK >] button until the pointer appears above R OUT. ¬ Press [< PAGE] to advance to Routing Page 3. The display will look like this: DELETE ROUTE FROM: INPUT RIGHT ÷ Turn the [VALUE/ENTER] knob un[...]

Making Your Own Patches - Chapter 4 QuadraVerb 2 Reference Manual 53 » Press the [BLOCK >] button until the pointer appears above L OUT, and turn the [VALUE/ENTER] knob until the display looks like this: ADD ROUTE FROM: RVB 3 LEFT … Press [VALUE/ENTER] to select the route. The display will flash until the [VALUE/ENTER] button is pressed. At t[...]

Chapter 4 - Making Your Own Patches 54 QuadraVerb 2 Reference Manual ¡ Press [PAGE >] twice to advance to Type Page 3. The display will look like this: MOVE BLOCK: 1 INTO BLOCK 2 The right half of the display will flash. ¬ Use the [VALUE/ENTER] knob to select which Block you want to move (1–8). ÷ Press [PAGE >] to advance the cursor to t[...]

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Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 57 C HAPTER 5 D ESCRIPTION OF C ONTROLS Front Panel Input Level Left and Right : These concentric knobs (one within the other) control the incoming level of our analog signal, and the relative balance between the two input channels. This “gain-staging” allows us to maintain a sup[...]

Chapter 5 - Description of Controls 58 QuadraVerb 2 Reference Manual Alphanumeric Display. This 32 character display indicates types of effects, parameters of effect, mode, etc. It also allows us to select and enter types and amounts of an effect. Includes a 14 character entry section for naming the Programs. PAGE 1-9. Indicates the total number of[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 59 For Power Users. The [VALUE/ENTER] button can also be used to step through Pages in the currently selected mode. Except when a value is flashing on and off in the display, the [VALUE/ENTER] button ordinarily doubles for the [PAGE >] button. If you change the value of a paramete[...]

Chapter 5 - Description of Controls 60 QuadraVerb 2 Reference Manual J Once a Program is stored, the previous Program in the selected location is replaced, and cannot be retrieved. Before storing, you may want to transmit the entire contents of the User bank into a SysEx storage device. See chapter 6 for more info. Compare Once a Program has been e[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 61 Another page is included in Type mode which allows you to move a defined Block to another position. If you defined Block #1 as a Delay, and later decide to first have the input signal routed through an EQ, you can move the Delay Block to make room for it. First select the Block to[...]

Chapter 5 - Description of Controls 62 QuadraVerb 2 Reference Manual Selection Parameters Page # Defined Blocks Level to L/R 1 Direct Level From Input 2 Master Effects Level 3 L OUT, R OUT, Direct Level From Input 1 Undefined Blocks Master Effects Level 2 If the selected Block is not routed to the LR OUT, the Level to L/R parameter value will be ?[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 63 SAMPLE CLOCK SOURCE:INTERNAL Page 6: Dig In/Out Channels. When using the Alesis Optical DIGITAL [IN] connector, (Input Audio Source must be set to “OPTICAL DATA”, see above), this page allows you to select which of the 8 channels on the optical buss will be routed to the L and[...]

Chapter 5 - Description of Controls 64 QuadraVerb 2 Reference Manual Page 8: Tap Tempo Footswitch. This lets you choose which footswitch jack (either [ADVANCE] or [BYPASS]) will be used to provide a tap tempo source for setting delay time, provided the selected Program uses one of the two available tap tempo delay types. This requires that you have[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 65 MIDI CHANNEL: 1 Page 2: MIDI Program Change. This determine whether or not the QuadraVerb 2 will respond to incoming MIDI program change messages. This can be set to either “ON” (recognize), “OFF” (ignore) or “TABLE” (use Program Table). When turned on, the QuadraVerb [...]

Chapter 5 - Description of Controls 66 QuadraVerb 2 Reference Manual Modulation The QuadraVerb 2 allows you to set up to 8 modulation routings which can control almost any parameter within a Program in realtime. This is especially useful for live applications, where the performer can actually interact or automate the changes in one or more effects.[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 67 (North American versions). The correct power supply must be used AT ALL TIMES. Any other power supply might create a fire risk and/or permanently damage your unit. This damage would NOT be covered under your warranty. MIDI In This is a 5 pin DIN standard MIDI plug which connects t[...]

Chapter 5 - Description of Controls 68 QuadraVerb 2 Reference Manual Left/Right Out - Analog Audio Out These are 1/4" TRS phone jacks which connect to analog devices such as the effects returns on a mixing console. These are true stereo balanced outputs and are represented by the OUT Block on the front panel LCD display. These outputs are serv[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 69 Effect Parameters The following charts are designed to act as a “road map” to assist you in locating parameters and their value ranges. All of the following parameters may be found by first selecting the appropriate effect type, pressing the [PARAMETER] button, and using the [[...]

Chapter 5 - Description of Controls 70 QuadraVerb 2 Reference Manual Pitch Pitch Type Parameters Page# Mono Chorus Speed: 0-99, Depth: 0-99, Feedback: 0-99 1 Chorus PreDelay: 0-100mS 2 Chorus Shape: Sine/Square 3 Stereo Chorus Speed: 0-99, Depth: 0-99, Feedback: 0-99 1 PreDelay Chorus 1: 0-100mS, 2: 0-100mS 2 Chorus Shape: Sine/Square 3 Quad Chorus[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 71 Delay Delay Type Parameters Page # Mono Delay Delay Time: 0.1-5000mS, Beat Count: 1/2, 1/4., 1/4, 1/4T, 1/8., 1/8, 1/8T, 1/16, 1/32 (. = dotted, T = triplet) 1 Feedback: 0-99 2 Stereo Delay Left Delay: 0.1-5000mS, Beat Count: 1/2, 1/4., 1/4, 1/4T, 1/8., 1/8, 1/8T, 1/16, 1/32 1 Lef[...]

Chapter 5 - Description of Controls 72 QuadraVerb 2 Reference Manual Reverberation Reverb Type Parameters Page # Mono Room Decay: 0-99, Damping Hi: 0-99, Lo: 0-99 1 Reverb Density: 0-99, Diffusion: 0-99 2 High Frequency Roll Off: 200Hz-20,000Hz 3 Predelay: 1-250mS, Mix: <99-<50>-99> 4 Gate Trig: Off/Left/Right/L&R, Hold: 10-500 mS 5[...]

Description of Controls - Chapter 5 QuadraVerb 2 Reference Manual 73 Reverb Type Parameters Page # Hall 2 Decay: 0-99, Damping Hi: 0-99, Lo: 0-99 1 Reverb Density: 0-99, Diffusion: 0-99 2 High Frequency Roll Off: 200Hz-20,000Hz 3 Predelay: 1-250mS, Mix: <99-<50>-99> 4 Reflection Level: 0-99, Spread: 0-99 5 Reverberation Swirl: 0-99 6 Ga[...]

Chapter 5 - Description of Controls 74 QuadraVerb 2 Reference Manual Reverb Type Parameters Page # Spring Decay: 0-99, Damping Hi: 0-99, Lo: 0-99 1 Reverb Density: 0-99, Diffusion: 0-99 2 High Frequency Roll Off: 200Hz-20,000Hz 4 Predelay: 1-250mS, Mix: <99-<50>-99> 5 Gate Trig: Off/Left/Right/L&R, Hold: 10-500 mS 7 Gate Release Tim[...]

Advanced Applications - Chapter 6 QuadraVerb 2 Reference Manual 75 C HAPTER 6 A DVANCED A PPLICATIONS MIDI Functions The QuadraVerb 2 provides many MIDI functions, including being able to respond to program changes, sending and receiving Program information via SysEx dumps, and realtime control over various effect parameters via MIDI controllers. F[...]

Chapter 6 - Advanced Applications 76 QuadraVerb 2 Reference Manual Programs of a different number. This is especially useful since MIDI program changes only allow for 128 different programs to be recalled (0–127). Using the Program Table, you can have any incoming MIDI program change message recall any of the 200 Programs in the QuadraVerb 2. Thi[...]

Advanced Applications - Chapter 6 QuadraVerb 2 Reference Manual 77 SysEx Storage To send and receive program information via SysEx dumps using a computer, or some other SysEx storage device (such as the Alesis DataDisk), or another QuadraVerb 2: ¿ Connect the other device’s MIDI OUT to the QuadraVerb 2’s [MIDI IN]. ¡ Connect the QuadraVerb 2?[...]

Chapter 6 - Advanced Applications 78 QuadraVerb 2 Reference Manual In order to pass on MIDI information from a control device thru the QuadraVerb 2 to another MIDI device: ¿ Connect the control device’s MIDI OUT to the QuadraVerb 2’s [MIDI IN]. ¡ Connect the QuadraVerb 2’s [MIDI OUT] to the MIDI IN of the other device you wish to control. ?[...]

Advanced Applications - Chapter 6 QuadraVerb 2 Reference Manual 79 Selecting the Modulator Once you press the [MODULATION] button, you can turn the [VALUE/ENTER] knob to select one of the eight Modulators. Think of each Modulator as a modulation patch which routes a Source to a Target using a particular amplitude. ¿ Press [MODULATION]. The [MODULA[...]

Chapter 6 - Advanced Applications 80 QuadraVerb 2 Reference Manual Type Effect Target E Q Lowpass Filter Frequency Bandpass Filter Bandpass Frequency, Bandpass Width Highpass Filter Frequency Lowpass Shelf Frequency, Gain Highpass Shelf Frequency, Gain 1 Band Low/High Parametric Bandpass Gain Bandpass Width 2 Band Sweep Shelf Lowpass Frequency, Low[...]

Advanced Applications - Chapter 6 QuadraVerb 2 Reference Manual 81 Type Effect Target Reverberation Mono Room Room 1 Hall 1 Plate 1 Chamber 1 Spring Input Hi Rolloff Predelay Time, Predelay Mix Decay, Density, Diffusion Damping Low Damping High Gate Trigger On/Off, Gate Hold Time Gate Release Time, Gate Level Room 2 Hall 2 Plate 2 Chamber 2 Input H[...]

Chapter 6 - Advanced Applications 82 QuadraVerb 2 Reference Manual Target. This number can be set to 00 (for no effect) all the way to +99 (for maximum effect) or down to -99 (for maximum negative effect; i.e., inverted control). If you have been following along so far, let’s continue where we left off from the last set of steps: ¿ After selecti[...]

Advanced Applications - Chapter 6 QuadraVerb 2 Reference Manual 83 Peak Follower 1 and 2 have identical features and work as shown below: SLOPE IS SET BY DECA Y TIME PEAK FOLLO WER OUTPUT A UDIO PEAK INPUT (Left or right Channel or higher of left and right) Modulation Page 4 allows you to select the type of each Input Generator. The remaining pages[...]

Chapter 6 - Advanced Applications 84 QuadraVerb 2 Reference Manual The cursor appears beneath the Generator, indicating that you may now turn the [VALUE/ENTER] knob and select either Input Generator 1 or 2, depending on which one you want to edit. You may now select what the trigger source of the selected Input Generator will be. ª Press [PAGE >[...]

Advanced Applications - Chapter 6 QuadraVerb 2 Reference Manual 85 The display will look like this: GEN 1 ENV ATTACK TIME: 0.00Sec 12 PRESS [PAGE>} to advance the cursor to the next field and turn the [VALUE/ENTER] knob to adjust the input envelope’s attack time (0.00 to 10.00 seconds). This controls the rate that the envelope’s control will[...]

Chapter 6 - Advanced Applications 86 QuadraVerb 2 Reference Manual Bypassing Effects The [BYPASS] jack allows you to bypass the effects of the QuadraVerb 2 via a footswitch. This is the same as pressing the [BYPASS] button on the front panel. Each time either the [BYPASS] button is pressed, or the footswitch connected to the [BYPASS] jack is presse[...]

Alesis Optical Interface - Chapter 7 QuadraVerb 2 Reference Manual 87 CHAPTER 7 A LESIS O PTICAL I NTERFACE Overview The Alesis optical digital interface provides the means to communicate with other digital audio devices, such as the Alesis ADAT Multitrack Recorder. The Alesis optical interface uses a proprietary 8 channel buss, from which the Quad[...]

Chapter 7 - Alesis Optical Interface 88 QuadraVerb 2 Reference Manual J Note: If you experience problems (clicks, etc.) with an ADAT system set to digital input, it may be that the ADAT’s clock source is set to internal, even though its Digital In is pressed. (This will only happen if you’ve set it this way for making tape copies) Hold SET LOCA[...]

Alesis Optical Interface - Chapter 7 QuadraVerb 2 Reference Manual 89 The fiber optic cables that make up the digital buss need to be connected in the same order as the Sync cables. The QuadraVerb 2 is inserted in the fiber optic loop from the output of the second ADAT to the input of the master ADAT. The QuadraVerb 2 lets you turn its digital outp[...]

Chapter 7 - Alesis Optical Interface 90 QuadraVerb 2 Reference Manual To Two or More ADATs With a BRC or AI-2 If your ADAT system has an Alesis BRC Master Remote Controller, the fiber optic cables that make up the digital buss need to be connected in the same order as the Sync cables. If your ADAT system uses the BRC or the Alesis AI-2 Synchronizer[...]

Alesis Optical Interface - Chapter 7 QuadraVerb 2 Reference Manual 91 INPUT LEVEL LEFT RIGHT OUTPUT CLIP -3dB -12dB -32dB L INPUT R DUAL CHANNEL OCTAL PROCESSING™ MASTER EFFECTS W/DIGITAL I/O VALUE/ENTER POWER BLOCK PROGRAM COMPARE TYPE P ARAMETER ROUTING MIX 1 BLOCK 23 45 STORE BYPASS GLOBAL MIDI NAME MODULATION 6 PAGE 78 90 PRESET USER TM AD A [...]

Chapter 7 - Alesis Optical Interface 92 QuadraVerb 2 Reference Manual Routings To specific ADAT tracks To route the QuadraVerb 2’s digital outputs to specific ADAT tracks depends on which of the 8 channels of the buss you use. If you want to record in stereo onto tracks 1 and 2 of ADAT (or 9 and 10 on ADAT #2 in a chain), route the QuadraVerb 2?[...]

Alesis Optical Interface - Chapter 7 QuadraVerb 2 Reference Manual 93 From ADAT through the QuadraVerb 2 back to ADAT When routing ADAT tracks to the QuadraVerb 2 to be recorded back to ADAT, how you go about it depends on whether or not you are using a BRC. If you have one or more ADATs with no BRC, then you simply connect the digital buss of the [...]

Chapter 7 - Alesis Optical Interface 94 QuadraVerb 2 Reference Manual From the QuadraSynth through the QuadraVerb 2 back to ADAT The QuadraSynth (and S4 sound module) provides its four audio outputs (Main Left/Right and Aux Left/Right) on the first four channels of the Alesis Optical digital buss. If you connect the QuadraSynth’s digital output t[...]

Trouble-Shooting QuadraVerb 2 Reference Manual 95 C HAPTER 8 T ROUBLE -S HOOTING Trouble-Shooting Index If you are experience problems while operating the QuadraVerb 2, please use the following table to locate possible causes and solutions before contacting Alesis customer service for assistance. Symptom Cause Solution The display does not light wh[...]

Trouble-Shooting 96 QuadraVerb 2 Reference Manual MIDI Program Changes are off by 1. Transmitter doesn't display true MIDI Program Change numbers. Change the transmitter to display 0-127, or setup a Program Table in the Q2. Error Messages Although the digital signal processing power in the QuadraVerb 2 is powerful and features plenty of memory[...]

Trouble-Shooting QuadraVerb 2 Reference Manual 97 Checking the Software Version The current software version may be determined by holding [GLOBAL] and pressing [PROGRAM]. The display will indicate the currently installed software version. Re-initializing To re-initialize the QuadraVerb 2, hold down both [PROGRAM] and [COMPARE] while turning on the [...]

Trouble-Shooting 98 QuadraVerb 2 Reference Manual For prompt service, indicate the RA number on the shipping label. If you do not have the original packing, ship the QuadraVerb 2 in a sturdy carton, with shock-absorbing materials such as styrofoam pellets (the kind without CFCs) or “bubble-pack” surrounding the unit. Shipping damage caused by i[...]

MIDI Implementation Chart - Chapter 8 QuadraVerb 2 Reference Manual 99 MIDI I MPLEMENTATION C HART Function Transmitted Recognized Remarks Basic Channel Default Changed X * * * * * * * * 1 — 16 Mode Default Messages Altered X X * * * * * * * * Mode 3 X Note Number True Voice X * * * * * * * * 0 — 127 0 — 127 Velocity Note On Note Off X X O X [...]

Effects Processing Index 100 QuadraVerb 2 Reference Manual S PECIFICATIONS Electrical Frequency Response: ±1dB from 20Hz to 20kHz Dynamic Range: >90 dB "A" wtg., 20 Hz-22 kHz Distortion (THD+N): <0.009% @1kHz, nominal level (-12 dBfs) <0.005% @ peak level Crosstalk: <90 dB below full scale Power requirements: 9VAC, 13.5W (Ale[...]