Samson MPL 1640 Specifications download pdf (Page 20)

Using Pan

The final Main output of the MPL 1640 is stereo—that is, there are two discrete

Main Mix output jacks, labeled “left” and “right,” which will normally route signal

(via a power amplifier) to two discrete speakers.* Because of this, you will usual-

ly be working with a stereo field that ranges from hard left to hard right. The Pan

control in each channel 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 anoth-

er, 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 tre-

ble 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 com-

pletely 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 circumstances,

you’re best to use modest panning, with signals routed no further than the 9

o’clock and 3 o’clock positions.

In the stereo Auxiliary return section, the Balance control allows you to adjust the

relative levels of the signals arriving at the left and right inputs. In Aux returns

where 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 paired input 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 signal 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 counterclockwise, 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 the Auxiliary Sends and Returns” section

on page 20 of this manual.

* You can, of course, also use the MPL 1640 monophonically—simply route the

same signal to both the left and right outputs.

BALANCE

PAN

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Samson MPL 1640 Specifications Page 20