Samson TM 500 Specifications download pdf (Page 12)

Connecting the TM500

The actual connections you’ll make to and from the TM500 will vary according to the

environment you use it in and the particular equipment you have. Here are a few basic

rules concerning TM500 connections that will apply in most situations:

• In general, it’s best to make all connections with the TM500 turned off. If you must

make connections with the power on, make sure that all faders are completely down

(at their “∞” position). If the TM500 is connected to any external power amplifiers,

turn them off

first. Wait a few seconds for their power supplies to discharge and

then turn off all other connected equipment, turning the TM500 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 TM500 will accept unbalanced connectors

throughout, it specifically provides electronically balanced inputs for all mono

channel line inputs. The wiring diagram below shows how 1/4" TRS

(Tip/Ring/Sleeve) connectors should be wired:

XLR connectors for mono channel mic-level inputs should be wired as follows:

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

• Always 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.

• NEVER connect a microphone and line level input to the same channel

simultaneously—use one or the other. You can have some channels connected to

microphones and others to line level signals (for example, you might want to plug

mics into channels 1 - 4 and line level signals into the remaining channels)—just

don’t have both kinds of inputs connected to the

same channel.

• There are two “hidden” (or at least not so obvious) stereo inputs to the TM500; these

are the Auxiliary returns. Use these whenever you want to bring in stereo signals

that will not need to be equalized or otherwise processed.

• Channel and Main insert cables (sometimes called “Y-cords”) should terminate in

standard 1/4" TRS jacks (ring to send and tip to return), wired as follows:

TIP +

GROUND

RING -

RING

TIP

SLEEVE

+ SIGNAL

GROUND

+ SIGNAL

GROUND

SIG

1 GROUND

2 + SIGNAL

TO MIC

TIP (RETURN)

SLEEVE (GROUND)

RING (SEND)

ENGLISH

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Samson TM 500 Specifications Page 12

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