Samson MPL 1502 Specifikace stáhnout pdf (Strana 20)

Using Pan/Balance

The final Main output of the MPL 1502 is stereo—that is, there are two discrete

output jacks, labeled “left” and “right,” which will normally be routed to two

discrete speakers.* Because of this, you will usually be working with a stereo

field that ranges from hard left to hard right. The Pan control in each mono

channel (and the Balance control in each stereo channel, when only the left

[even-numbered] input is connected) allows you to place each individual sound

at any point within this left-right field, while keeping the overall level constant.

You can use stereo panning creatively in a variety of ways: For example, you

might want to have guitars coming from one speaker and keyboards from

another, or you might use panning to “spread” the signal from a piano miked with

two microphones—one over the bass notes (panned left) and the other over the

treble notes (panned right). By turning a Pan knob while a signal is present, the

sound appears to move in space (a process known as

dynamic panning)—this

can be particularly effective when applied to sound effects.

In live performance, you may want to resist the temptation to pan anything

completely hard left or right, since some members of the audience not seated in

the center of the venue may miss some signal altogether. In these circum-

stances, you’re best to use modest panning, with signals routed no further than

the 9 o’clock and 3 o’clock positions.

In stereo channels where both inputs are connected, the even-numbered input

signal is automatically panned hard left and the odd-numbered input signal is

automatically panned hard right. The Balance knob in these channels controls

the

relative levels of the two input signals. When the knob is placed at its center

(detented) position, both the even-numbered and odd-numbered channels are at

equal strength. When moved left of center, the signal of the even-numbered

channel remains the same but the signal of the odd-numbered channel is attenu-

ated; when the knob is moved right of center, the the signal of the odd-numbered

channel remains the same but the signal of the even-numbered channel is atten-

uated. When placed fully counter-clockwise, only the even-numbered channel is

heard; when placed fully clockwise, only the odd-numbered channel is heard.

In the stereo Aux return section, the Balance control works in a similar fashion.

When both inputs are connected, the left signal is automatically panned hard left

and the right signal is automatically panned hard right. The Balance knob con-

trols the relative levels of the two signals. When the knob is placed at its center

(detented) position, both the left and right signals are at equal strength. When

moved left of center, the left input signal remains the same but the right input sig-

nal is attenuated; when the knob is moved right of center, the right input signal

remains the same but the left input signal is attenuated. When placed fully

counter-clockwise, only the left input is heard (panned hard left); when placed

fully clockwise, only the right input is heard (panned hard right).

If you connect different monophonic devices (such as effects processors) to both

the left and right inputs of an Aux return, you can use the Aux Balance control to

blend the relative contribution of each. If you turn the Balance knob fully coun-

terclockwise, you’ll hear only the device connected to the left Aux input; if you

turn it fully clockwise, you’ll hear only the device connected to the right Aux input.

For more information, see the “Using Aux Sends and Returns” section on page

20.

* You can, of course, also use the MPL 1502 monophonically—simply route the

same signal to both the left and right outputs.

PAN

BALANCE

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