Crown PIP-ISO Información técnica descargar pdf (Pagina 9)

Macro-Tech 600/1200/2400 Power Amplifiers

Page 9

Fig. 2.2 Rear Facilities

UNBALANCED

INPUT WIRING

BALANCED

INPUT WIRING

THIS AMPLIFIER IS EQUIPPED WITH SELECTABLE INPUT SENSITIVITY. REMOVE P.I.P. MODULE TO ACCESS SENSITIVITY SWITCH.

BRIDGE-MONO WIRING

TURN AMPLIFIER OFF.

SET STEREO/MONO

SWITCH TO

BRIDGE-MONO.

OUTPUT ACROSS

RED TERMINALS

ONLY. (CH-1

IS POSITIVE.)

PARALLEL-MONO WIRING

TURN AMPLIFIER OFF.

SET STEREO/MONO

SWITCH TO

PARALLEL-MONO.

ADD JUMPER (14

GAGE OR LARGER)

ACROSS RED

TERMINALS.

OUTPUT ACROSS CH-1

TERMINALS ONLY.

CH-2 CH-1

–

CH-2 CH-1

–

TIP

RING

SLEEVE

GND

INPUT GROUND LIFT

TIP

SLEEVE

GND

(AFFECTS PHONE INPUTS ONLY.)

CAUTION: TURN OFF AMPLIFIER

BEFORE CHANGING THIS SWITCH!

STEREO

BRIDGE

MONO

PARALLEL

MONO

INPUTS

PUSH TO RESET

CLASS 1

OUTPUT

WIRING

REQUIRED.

WARNING: TO REDUCE THE RISK OF FIRE OR

ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT

TO RAIN OR MOISTURE.

OUTPUTS

(MONO)

LIFT

REG. U.S. PAT. OFF.

4,330,809

4,611,180

MODEL: MACRO-TECH 2400 SERIES

AC VOLTS: 120 AMPS: 17 60 Hz

MAXIMUM OUTPUT: 900 WATTS

PER CHANNEL INTO 2 OHMS AT 1 KHz

WITH NO MORE THAN 0.1% THD.

INTERNATIONAL, INC.

ELECTRONIC EQUIPMENT

ELKHART, IN 46517

MADE IN U.S.A.

SERIAL NUMBER

0000

000000

Programmable

Input Processor (P.I.P.)

GND

INPUT INPUT

CH-2 CH-1

PUSHPUSH

GHI JK MKML NN

used to drive a single channel with a load impedance

of at least 4 ohms, and Parallel-Mono mode is used to

drive a single channel with an impedance less than 4

ohms.

Important: Turn off the amplifier before

changing the stereo/mono switch (see Section 3.3).

I. Reset Switches (

Macro-Tech 2400

only)

The

Macro-Tech 2400

has a back panel Reset switch

for each channel. Each switch resets the circuit breaker

that protects the channel’s power supply from overload.

P.I.P.

Module

The standard P.I.P.-FX is included with your amplifier. It

provides female XLR input connectors. A variety of

other

P.I.P.

modules can be used in place of the

P.I.P.-FX. They add additional features that customize

the amplifier for different applications (see Section 8.1

for information on available

P.I.P.

modules).

❑ Input Sensitivity Switch

The three-position input sensitivity switch located in-

side the amplifier can be set after removing the

P.I.P.

module (J). It is set at the factory to 0.775 volts for

standard 1 kHz output into 8 ohms. It can also be set to

1.4 volts for standard 1 kHz output into 8 ohms, or a

fixed voltage gain of 26 dB (see Section 4.4).

K. Balanced Phone Jack Inputs

Balanced ¼-inch phone jack input connectors are pro-

vided on the back panel of your amplifier. The phone

jacks can be wired for either balanced (tip, ring and

sleeve) or unbalanced (tip and sleeve) input signals.

Because they are electrically in parallel with the

P.I.P.

input connectors, input signals should not be con-

nected to the phone jacks when certain

P.I.P.

modules

are installed (see Section 3.3.4). The phone jacks can

also be used as “daisy chain” outputs to simplify con-

necting input signals to multiple amplifiers.

Caution:

The Channel 2 input should NOT be used in either

mono mode.

L. Ground Lift Switch

This switch isolates or “lifts” the phone jack signal

grounds from the AC power ground. Activating the

switch inserts an impedance between the sleeve of

each phone jack and the unit’s AC ground to help pre-

vent the hum that can result from a ground loop.

M. Balanced XLR Inputs

The factory-installed P.I.P.-FX provides a three-pin fe-

male XLR connector for balanced input to each chan-

nel. The XLR inputs are connected in parallel with the

amplifier’s phone jack inputs. Because the P.I.P.-FX

does not have any active circuitry, its XLR connectors

can also be used as “daisy chain” outputs to connect

signals from phone jack inputs to multiple amplifiers

(see Section 3.3.4). Caution: The Channel 2 input

should NOT be used in either mono mode.

N. Output Jacks

A pair of versatile 5-way binding posts is provided for

the output of each channel. The 5-way binding posts

accept banana plugs, spade lugs or bare wire.

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