Mackie M800 Bedienungsanleitung PDF herunterladen (Seite 16)

AMP MODE

This three-way switch determines what kind

of amplifier you want the M•800 to be (or not

to be — what was the question?)

The switch alters the input signal routing

within the amplifier. Shipped from the factory, it

is set to

STEREO

, correct for about 90% of appli-

cations (hence the

TYPICAL

indicator near it).

The switch should only be configured when

the amplifer is turned off.

STEREO

This is the typical setup for amplifying ste-

reo signals. There are separate left and right

inputs, and separate left and right outputs. The

two channels are independent of each other.

MONO

This mode (also known as Dual-Mono) is

used to send the same signal to each speaker.

• There are one or two inputs and two

mono outputs.

• You can feed either channel or both.

• The inputs are summed (before the

GAIN

controls) and the mix sent to both

amplifier channels.

• The

GAIN

controls are still independent.

• The speakers are connected as for

normal stereo use.

BRIDGE

mode (also known as Bridged-

Mono) the two channels of the M•800 are

combined internally and can deliver up to 800

watts into a single 4 ohm speaker.

• There are one or two inputs and one

mono output.

• You can feed either channel or both.

•

CH 2’s GAIN

control will have no effect.

• The amplifier channels are internally

combined in series.

• Only one speaker is used and it is

connected in a special way. Read on.

Some examples of using the

BRIDGE

mode:

• Two M•800s can be used to create a

powerful stereo system, each driving one

speaker.

• You can use one amp to power a mono

system, such a center speaker or PA.

• Multiple M•800s can be used in theater

surround systems, each driving one

speaker.

To use the M•800 in

BRIDGE

mode:

1. Turn off the power.

2. Set the

AMP MODE

switch to

BRIDGE

3. Connect the positive side of the speaker

cable to the CH 1 red (+) binding post.

4. Connect the negative side of the speaker

cable to the CH 2 red (+) binding post.

5. Use only the CH 1

GAIN

control.

6. The M•800 black binding posts are unused.

WARNING: In

BRIDGE

mode, both connections to

your speaker are live; that

is, neither is grounded

through the chassis (be-

cause the M•800 black

binding posts are not used).

Take great care to read and follow all safety

instructions. The M•800 is capable of up to

85V AC across the speaker terminals.

Note: The calibration scales of the

GAIN

control only apply when using 4 ohm speakers.

CHANNEL

SPEAKER OUTPUTS

––

MONO

BRIDGE

BAL/UNBAL

MONO

BRIDGE

OFF ON OFF ON OFF ON

120 VAC 60 Hz

1500 WATTS

CONSTANT DIRECTIVITY

HORN EQ /AIR EQ

LOW CUT

FILTER

170 Hz

OFF

4.5k Hz

6k Hz

2k Hz

AIR EQ

100 Hz

STAGE

MONITOR

TYPICAL

35 Hz

TYPICAL

STEREO

(MONO BRIDGE)

800 WATTS

4 OHM LOAD MIN.

400 WATTS CH

2 OHMS LOAD MIN.

THRU

LOW CUT

FILTER

INPUT

THRU

170 Hz

OFF

4.5k Hz

6k Hz

2k Hz

AIR EQ

TYPICAL

35 Hz

CONSTANT DIRECTIVITY

HORN EQ /AIR EQ

CHANNEL

BAL/UNBAL

AMP MODE

LIMITER

SERIAL NUMBER

MANUFACTURING DATE

RISK OF ELECTRIC SHOCK

DO NOT OPEN

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT

EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.

NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

CAUTION

AVIS:

RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE

CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE

100 Hz

STAGE

MONITOR

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 26 27

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