Inputs, Aux inputs, Main in, preamp out – Phantom Tech CAM60 User Manual

Page 6: Output terminals, Constant impedance, Constant voltage

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– CAM150 / CAM60

CAM150 / CAM60 –

15. INPUTS

These inputs allow you to connect balanced XLR plugs

from microphones or 1/4" TRS or TS plugs from line-level

sources.

INPUT 1 has "Voice Priority" over the other inputs. If an

announcement is made using a microphone connected to

INPUT 1, then the other inputs are over-ridden.

16. AUX INPUTS

These left and right unbalanced RCA inputs allow you to

connect your audio sources, such as tuner, CD player, DVD

audio, tape deck, etc. They accept stereo line-level input

signals, and sum them to mono. This input is suitable for

connecting most common line-level sources. Use high-

quality, two-conductor shielded cable for the connections.

17. MAIN IN, PREAMP OUT

These two connections are normally joined using a U-shaped

jumper.

Note: If the U-shaped jumper is missing, then there will

be no output from your unit.

Use the PREAMP OUT to send a line-level signal to an

external amplifier, or to an external processor or equalizer.

The output is affected by the Level controls, but not by the

Master Volume or Tone controls.

The output from an external processor can connect to

MAIN IN. The Master Volume and Tone controls will adjust

any signals before they reach the main amplifier section.

18. OUTPUT TERMINALS

This terminal is normally covered by a protective cover.

Remove the two screws and the cover while making or

undoing connections. Securely refit the cover when you

have finished making the connections.

The five output terminals are labeled COM, 4 Ω, 25 V, 70 V

and 100 V.

CONSTANT IMPEDANCE

To connect a speaker directly,

connect the COM terminal

to the negative post of your

speaker, and connect the 4 Ω

terminal to the positive post.

Make sure that your

average speaker impedance

is not less than 4 Ω, as this may

overload the amplifier.

The speaker output connectors are screw terminals. Use 16

or 18 gauge wire for connecting the amplifier outputs to the

speakers. Strip the wire back about 3/8" inch, loosen the

screw enough to loop the wire around the shaft of the screw

(clockwise), and tighten down the screw with a screwdriver.

CONSTANT VOLTAGE

If you are using a constant-voltage distributed speaker

system, connect either the 25 V, 70 V, or 100 V output terminal

to the "+" side of the speaker system, and connect the "COM"

output terminal to the "–" side of the speaker system.

The voltage of your speakers must equal the voltage of

the amplifier's output terminal ( 25 V, 70 V, or 100 V).

Make sure that the taps on the speakers add up to no

more than 90% of the rated power for the amplifier

being used CAM150: 135 watts, CAM60: 54 watts.

CAUTION: To prevent the risk of electric shock,

never touch the bare wires coming from the OUTPUT

TERMINALS of the amplifier when it is switched on.

When the connections have been made, insulate the

25 V, 70 V, and 100 V terminals of the amplifier using

the protective cover supplied.

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CAM150-MIXER AMPLIFIER

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25V

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DC 24V

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This manual is related to the following products:

CAM150

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