Samson MPL 1204 Spezifikationen PDF herunterladen (Seite 13)

Connecting The MPL 1204 - General Suggestions

The actual connections you’ll make to and from the MPL 1204 will vary

according to the environment you use it in and the particular equipment you

have. In the “MPL 1204 Applications” sections at the rear of this manual,

you’ll find some suggested setups. Here are a few basic rules concerning

MPL 1204 connections that will apply in most situations:

• In general, it’s best to make all connections with the MPL 1204 and any

connected power amplifiers turned off. If you must make connections with

the power on, make sure that the Main and Control Room Level knobs are

completely counterclockwise and that all four bus faders are completely

down (at their “∞” position). Whenever powering down, bring the Main and

Control Room Level knobs completely counterclockwise and set all four bus

faders completely down, turning off the main power amps

first. Wait a few

seconds for their power supplies to discharge and then turn off all connected

equipment, turning the MPL 1204 off

last.

• Try to use balanced connectors and cabling wherever possible. These kind

of connections do a better job of rejecting extraneous noise and hum and

generally provide a cleaner signal. Although the MPL 1204 will accept

unbalanced connectors throughout, it specifically provides electronically

balanced inputs for all mic and line inputs and for its Main and Control Room

outputs. The wiring diagram below shows how 1/4" TRS (Tip/Ring/Sleeve)

connectors should be wired for use with line-level inputs and Control Room

outputs:

XLR connectors for mic-level inputs and the Main outputs should be wired as

follows:

Unbalanced cables use standard 1/4" phone connectors, wired as follows:

• Make one connection at a time and then monitor the incoming signal. If you

hear a distinct hum or buzz, you may have a grounding problem with that

particular device. See the “Grounding Techniques” section on page 16

in this manual for information on how to avoid grounding problems.

TIP +

GROUND

RING -

RING

TIP

SLEEVE

+ SIGNAL

GROUND

+ SIGNAL

GROUND

SIG

1 GROUND

2 + SIGNAL

TO MIC

OR POWER

AMPLIFIER

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 30 31

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