Please retain this container in the highly unlikely event that you need to return the QuadraVerb 2 for servicing. J Alesis cannot be responsible for problems caused by using the QuadraVerb 2 or any associated equipment with improper AC wiring. This is the most sophisticated option. Intended for computer applications, a UPS allows you to complete an orderly shutdown of a computer system in the event of a power outage, and the isolation it provides from the power line minimizes all forms of interference—spikes, noise, etc.
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Please retain this container in the highly unlikely event that you need to return the QuadraVerb 2 for servicing. J Alesis cannot be responsible for problems caused by using the QuadraVerb 2 or any associated equipment with improper AC wiring. This is the most sophisticated option.
Intended for computer applications, a UPS allows you to complete an orderly shutdown of a computer system in the event of a power outage, and the isolation it provides from the power line minimizes all forms of interference—spikes, noise, etc.
These should be low-capacitance shielded cables with a stranded not solid internal conductor and a low-resistance shield. Always unplug by firmly grasping the body of the plug and pulling directly outward. There are other combinations of input and outputs possible when you begin using the Alesis optical digital input and output.
For more information on interfacing with other digital audio equipment, see chapter 7. The QuadraVerb 2 may be used with two different instruments simultaneously, or with a stereo instrument. The hookup is the same; the difference is in the routing used within a program. A program may process the two inputs discretely, using blocks dedicated to a single channel for example, a delay for a guitar and a gated reverb for a bass , or process them in stereo for example, with the left and right outputs of a keyboard routed through two reverb blocks.
If the program doesn't include this routing, you will only hear the effected signal by itself. Therefore, it may be necessary to edit such programs to add these "dry" routes when using the QuadraVerb 2 directly with an instrument. The Factory Preset programs usually include these routes. 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.
Still another way of interfacing the QuadraVerb 2 to a mixer or recording console would be in-line across the output of your mixing console. This last setup would be used only if you needed to effect the entire mix. Using the Aux Sends Generally, mixing consoles provide two types of auxiliary sends: pre-fader sends for creating a cue headphone mix, and individual, post-fader effect sends.
Typically, if a mixer has more than two sends per channel 4, 6 or 8, perhaps , the first two sends are reserved for the cue sends, while the remaining sends are used to feed effects. If you are using a mixer with more than two sends, connect the QuadraVerb 2 using post-fader sends. Most consoles also have aux master controls, which set the overall level of each aux output. The former is good if your mixer provides dedicated inputs called returns for effect devices like the QuadraVerb 2.
If your mixer does not have these, or you have already used them all, consider connecting the QuadraVerb 2 to channel inputs or unused tape returns. The effect returns generally should only contain effected signal, and not have any uneffected signal mixed with it since these two signals are blended together at the mixer. This is the easiest method. This selects Global Page 9. This connection is similar to the one described above.
Example, if you connected effect sends 3 and 4 to the [L] and [R] INPUTS, and had a stereo instrument such as a keyboard connected to two channel inputs of the mixer either one panned hard left and hard right , you would send the left channel to send 3 and the right channel to send 4. Alternatively, you could have two discrete effect sends between the Left and Right channel, and process each separately within the QuadraVerb 2. For example, the Left channel from send 3 could be a chorus, and the Right from send 4 could be a reverb.
This is similar to Dual Mono, described earlier. These are known as TRS connectors tip-ringsleeve. The tip of the stereo plug typically carries the send or output of the insert jack, while the ring carries back the return.
The sleeve represents a common ground for both signals. Check the manual of your mixer because some are wired differently for example, having two separate jacks for send and receive. If you do not hear any audio after making these connections, swap the input and output cables at the QuadraVerb 2, as these may be wired backwards.
The connection is made in a similar fashion as described above. While there are methods to virtually eliminate ground loops and stray radio frequency interference, most of the professional methods are expensive and involve installing a separate power source just for the sound system.
Here are some easy helpful hints that a professional studio installer might use to keep those stray hums and buzzes to a minimum.
Most stray hums and buzzes happen as a result of different parts of the sound system being plugged into outlets of different AC circuits. If any noise generating devices such as air conditioners, refrigerators, neon lights, etc.
Many hums come from audio cabling being too near AC wiring. If a hum occurs, try moving the audio wiring around to see if the hum ceases or diminishes. B Plug in each tape machine and outboard effects device one at a time. If possible, flip the polarity of the plug of each device turn it around in the socket until the quietest position is found.
C Make sure that all of the audio cables are in good working order. Cables with a detached ground wire will cause a very loud hum!! D Keep all cables as short as possible, especially in unbalanced circuits. For more information about MIDI, refer to chapter 6. Digital connections provide better fidelity than the analog inputs and outputs. The proprietary Alesis Optical format carries up to 8 audio channels on a single fiber optic cable.
Since the QuadraVerb 2 has two channels left and right , you may choose two of the incoming 8 channels for the QuadraVerb 2 to process.
Fiber optic cables of various lengths are available from your Alesis dealer. The shorter the cable, the better. The OC cable is 5 meters long 16'4" and is the maximum length recommended. These should be plugged in prior to power-up so that the QuadraVerb 2 can configure itself for the type of footswitch being used. You can set a range of Programs to be used, thereby cutting off other Programs from being recalled in this manner. For example, if you set the range to be User 10 through User 24, only Programs within this range will be recalled using the Advance footswitch.
If Program 24 is selected and the footswitch is pressed again, Program 10 is recalled. Bypass The Bypass footswitch jack lets you turn the Bypass function on and off from a connected footswitch.
For more information about Bypass mode, see chapters 2 and 5. Tap Tempo Either footswitch jack can 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 defined an Effect Block as one of the two Tap Tempo delay types, and that the desired footswitch jack has been selected for controlling tap tempo.
QuadraVerb 2 Reference Manual Related documents.
Alesis QuadraVerb GT Manuals
Its preamp section is geared towards guitarists, but it is great for adding the extra "grit" to keyboards or drums. Unlike its later siblings, the GT only has eight different effects routing combinations. While this may sound like a limitation, in fact you will be hard pressed to not find a combination that works for the effect you are trying to achieve. The default effects are great, but are primarily aimed at guitarists with lots of overdrive and distortion. It is a good thing that any of the presets can be overwritten for those who are using other instruments. Every effect has several editable parameters that allow you to fine tune the sound.
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