Harman Kardon HK3270 Owners Manual - Page 14

Installation and Connections

When connecting wires to the speakers,

be certain to observe proper polarity.

Remember to connect the “negative” or

“black” wire to the same terminal on the

receiver and the speaker. Similarly, the

“positive” or “red” wire should be con-

nected to the like terminal on the HK3270

and speaker.

We also recommend that the length of

cable used to connect speaker pairs be

identical. For example, use the same

length piece of cable to connect the front

left and front right or surround left and

surround right speakers, even if the

speakers are a different distance from

the HK3270.

NOTE:

While most speaker manufacturers

adhere to an industry convention of using

black terminals for negative and red ones

for positive, some manufacturers may

vary from this configuration. To assure

proper phase, and optimal performance,

consult the identification plate on your

speaker, or the speaker’s manual to verify

polarity. If you do not know the polarity

of your speaker, ask your dealer for

advice before proceeding, or consult

the speaker’s manufacturer.

Connect the speakers using the following

steps:

1. Connect the main speakers to the

Speaker 1

terminals

ﬂ

.

2. Connect a second set of speakers,

or speakers that are in a second room

location to the

Speaker 2

terminals

‡

.

3. When an optional, powered subwoofer

is used, connect the outputs of the

Subwoofer Out

jacks

ﬁ

to the line-

level inputs of the subwoofer. When the

subwoofer’s amplifier has stereo inputs,

run interconnects from both jacks. When

the subwoofer has a mono input only,

use the bottom jack for the connection.

When a passive subwoofer is used, these

connections will be made to the optional

amplifier that powers the subwoofer.

System and Power Connections

The HK3270 is designed for flexible use

with external control components and

power amplifiers. These connections are

easy to make during an initial installa-

tion, or at a later date should you choose

to upgrade your system.

Remote Control Extension

If the receiver is placed behind a solid or

smoked glass cabinet door, the obstruc-

tion may prevent the remote sensor from

receiving commands. In this event, an

optional remote sensor may be used.

Connect the output of the remote sensor

to the

Remote Cont. In

jack

¢

.

If other components are also prevented

from receiving remote commands, only

one sensor is needed. They may use this

unit’s sensor or a remote eye by running

a connection from the

Remote Cont.

Out

jack

∞

to the Remote In jack on

Harman Kardon or other compatible

equipment.

External Audio Power Amplifier

Connections

If desired, an optional, external amplifier

may be used in place of the HK3270’s

internal power amplifier.

To connect an external power amplifier,

first remove the jumper pins that connect

the

Preamp Out

›

and

Main In

‹

jacks on the rear panel. Keep the jumpers

in a safe place should they be needed at a

later time.

Using high-quality audio interconnect

cables, connect the

Preamp Out

jacks

›

to the input jacks on your power

amplifier. Make certain to match the

right output to the right input and the

left output to the left input.

Note that when an external power ampli-

fier is used, no special adjustments are

required. All volume and other control

adjustments are made using the standard

front panel or remote controls.

AC Power Connections

The

Accessory Outlets

°

receive

power as long as the

Main Power

Switch

1

is in the “ON” position.

Power will still be supplied to these out-

lets even when the HK3270 is in the

Standby mode.

In order to remove power to these outlets,

the unit must be turned off by pressing

the

Main Power Switch

1

so that it is

in the “OFF” position.

15

Harman Kardon HK3270 Owners Manual - Page 14

System and Power Connections - manual

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