Bedienungsanleitung JL Audio M200 (Seite 10 von 20) (Englisch)

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10 | JL Audio - XD200/2 Owner’s Manual

SPEAKER OUTPUTS

The M200/2’s speaker outputs are designed

to accept 16 AWG - 8 AWG wire. To connect the

speaker wires to the amplifier, first back out the

set screws on the top of the terminal block, using

the supplied 2.5 mm hex wrench. Strip 1/2 inch

(12 mm) of insulation from the end of each wire

and insert the bare wire into the terminal block,

seating it firmly so that no bare wire is exposed.

While holding the wire in place, tighten the set

screw firmly, taking care not to strip the head of

the screw.

The M200/2 is designed to deliver power into

speaker loads equal to or greater than 2 ohms

when using a “stereo” configuration and speaker

loads equal to or greater than 4 ohms when using a

“bridged” configuration.

Speaker loads below 2 ohms nominal per

channel (or 4 ohms bridged) are not

recommended and may cause the amplifier

to initiate a protection mode which reduces

power output.

BRIDGING CONSIDERATIONS

Bridging is the practice of combining the

output of two amplifier channels to drive a single

load. When bridged, each channel produces

signals of equal magnitude, but opposite polarity.

The combined output of the two channels

provides twice the output voltage available from a

single channel. The M200/2 has been designed for

bridging of its channel pair without the need for

input inversion adaptors.

To bridge the M200/2, use the “Left +” and

“Right –” speaker connectors only (the

“Left –” and “Right +” remain unused). When

bridged, the amplifier will deliver optimum

power into a 4 ohm load.

When the M200/2 is bridged, it

will deliver 200W x 1 into a 4 ohm load or

150W x 1 into an 8 ohm load. Operating

a bridged M200/2 into a load lower than 4

ohms is not recommended. Because a bridged

pair of channels requires that both channels

receive input, you need to connect both left

and right inputs to the source unit. Connection

of only one input will result in reduced power

output, increased distortion and can cause

the amplifier to overheat. Do not do this!

When the M200/2 is operating in bridged

mode, the output will be in mono (only one

channel). This mono channel can contain right

channel only information, left channel only

information or the sum of the information from

both the right and left channels. In order to

achieve one of these options, configure the inputs

to that pair of channels in one of these two ways:

1) Left Channel Only or Right Channel Only

Information: If you wish to send a left-only

or right-only signal to the M200/2, use a

“Y-Adaptor” to split the single channel signal

into both left and right RCA inputs. This

option is useful when using one M200/2

to drive left channel speakers only and the

another M200/2 to drive right channel

speakers only.

2) Left + Right Channel Information: When

bridged and fed by a stereo input, the M200/2’s

channels will automatically combine the left a

nd right channels into a summed mono (left

+ right) channel. This option is useful when

using a bridged M200/2 to drive a subwoofer

system or a summed mono center channel.

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JL Audio M200 Seite 10

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