Alesis 24 Specifikace stáhnout pdf (Strana 48)

Effects and Signal Processing

STUDIO 24 REFERENCE MANUAL 4 7

Channels 1 - 8.

Effects returned to a stereo Channel can be SOLOed, MUTEd, sent to the Groups and

routed to L/R. Also, you have the ability to change the EQ of the effect’s signal, route

it to MON 1/2, and send it out AUX 3 or AUX 4.

But be careful when you send an effect returned to a stereo Channel to an AUX. If the effect

device’s signal source is AUX 3 for example, sending back out AUX 3 may cause feedback.

USING EFFECTS

Effects such as reverb, chorus and delay are typically wired in a loop from an

Auxiliary Send to a Stereo Aux Return (see the illustration on page 13). There are two

basic stages to getting a low-noise, distortion-free signal flow from an effect device:

SEND

Adjust the send level from the Studio 24 to the effect device using the blue

Channel AUX SENDs and the input controls of the effect device itself. This level

should be as strong as possible without clipping the effect device, and without

extreme settings on either the mixer or the effect.

RETURN

Assign the Stereo Aux Return to the destinations you want:

• To hear effects in the control room and the headphone mix, or record them

onto the mixdown deck, press the L/R assignment switch.

• To record effects onto the multitrack tape deck, press a GRP switch. Aux

Returns A and B can send to GRP 1/2. And if the DIRECT OUT SOURCE

switch is set to GRP, it may be routed to any tracks.

Most complaints of “noisy effects” are due to send levels that are too low and return

levels that are too high. You must structure the gain properly between the Studio 24

and the effect device.

To set the level going to the effects device:

1 Set the Aux Send(s) in the Channel to about “2 o’clock. ”Set the Channel fader to

the nominal (“0”) position.

2 Start the signal source(s); i.e., play the tape or instrument at typical levels.

To check the output level, select AUX 3/4 as the Control Room Source, and adjust the

Channel send to a setting that gives an average meter reading of “0 dB” on the L/R

meter.

3 Raise the input control of the effects device until its meter or clip LED shows

peak level, then lower the input control a bit. Consult the manual for the effect

device for more information.

Some effect devices have level setting switches on the back; these should be set so that a

peak level can be reached with reasonable settings (neither too high nor too low) of the

input control.

To set the level coming FROM the effects device:

In most cases, the output level of the effect device itself should be set relatively

high, at nominal or maximum. Lower the output of the device only if the meter

keeps the +10 LED on when the Stereo Aux Return is soloed, or if the effect levels are

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