Samson MPL 1640 Specifications download pdf (Page 10)

Guided Tour - Rear Panel

1: Phantom switch - When this switch is turned on, the MPL 1640 delivers 48 volts of

phantom power to pins 2 and 3 of all XLR microphone connectors (channels 1 - 10).

WARNING: Only turn this on or off with the MPL 1640 powered down. Before turn-

ing phantom power on, be sure to disconnect all non-microphone signal sources (such as

direct injection boxes) from the XLR mic jacks. Although phantom power will have no

adverse affect on connected dynamic microphones, it should be used only when one or

more condenser microphones are connected to the MPL 1640 (refer to the owners manu-

al of your microphone to determine whether or not it requires 48 volts phantom power).

If you’re not completely certain that one or more connected mics require 48 volts

phantom power, leave this switch OFF.

2: Power switch - This is what you use to turn the MPL 1640 on and off. To avoid

potential damage to your speakers, turn the mixer on before you turn on any connected

power amps—and turn it off after the power amps are turned off.

3: AC Input - Connect the supplied standard 3-pin “EEC” plug here.

4: Fuse sled - Fuse ratings are 1 amp for 115 V usage and .5 amp for 230 volt usage.

See Appendix A on page 28 for more information.

5: Main Mix Out (L,R) - These are the MPL 1640’s main outputs. You’ll usually use

these to connect the MPL 1640 to a power amplifier or to a tape recorder. These jacks

are electronically balanced, so use balanced three-conductor cabling and 1/4" TRS plugs

wherever possible (unbalanced two-conductor plugs can also be inserted into these jacks,

but you’ll get better signal quality and less noise and hum if you use balanced lines). See

the “Connecting the MPL 1640” section on page 10 for more information.

6: 3L/4R Out - These are the MPL 1640’s secondary outputs. The 3/4 Out jacks are

unbalanced, accepting standard two-conductor 1/4" plugs. For this reason, it is generally

preferable to use the Main Mix outputs when only two outputs are required. See the

“Using Bus 3/4” section on page 17 for more information.

7: Main Mix Insert (L,R) - Use these to insert an external in-line effects processor (such

as outboard equalizer, compressor/limiter or noise gate) into the Main Mix output in an

“effects loop” configuration. These jacks accept 1/4" TRS plugs, with the ring carrying the

send signal and the tip carrying the return signal. Normally, this will be connected to a

Y-cable; see the “Connecting The MPL 1640” section on page 10 for more information

and a wiring diagram.

CH 1CH 2

CH 3CH 4

CH 5

CH 1

CH 2CH 3

CH 4CH 5

CH 6

CH 7CH 8CH 9CH 10CH 11CH 12CH 13CH 14CH 15CH 16

OFF

CH 6

CH 7

CH 8

CH 9

CH 10

CH 11

CH 12CH 13CH 14

CH 15

CH 16

115

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

OFF

~115V /230V

50/60Hz 42W

MAIN MIX OUT

(BALANCED 600Ω

+ 4dB)

PHANTOM

SERIAL

NUMBER

AVIS:

RISQUE DE CHOC ELECTRIQUE

NE PAS OUVRIR.

DO NOT EXPOSE THIS EQUIPMENT

TO RAIN OR MOISTURE.

XLR

1 GND

2 +

3 -

MPL 1640

16 CHANNEL

AUDIO MIXER

TIP RING SLEEVE

TIP +

RING -

SLEEVE GND

ASSEMBLED IN R.O.K.

SAMSON TECHNOLOGIES CORP., NEW YORK, U.S.A.

SAMSON

CHANNEL INSERT

(TIP RETURN - RING SEND)

AUX 1AUX 2

3L - 4RMAIN MIX

AUX 3

AUX 2

AUX 1

AUX RETURN (UNBAL.2KΩ

+ 4dB)

(BALANCED - 50dB TO + 4dB)

MIC INPUT

3L - 4R(UNBAL.2KΩ +4dB)

BUS INSERT

AUX OUT

(UNBAL.2KΩ +4dB)

LINE INPUT

(BALANCED 10 KΩ - 40dB

TO + 4dB)

2 3 4

5 6

1213

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 33 34

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Samson MPL 1640 Specifications Page 10

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