User's Manual
14
CHAPTER 2
R
L
UNBALANCED
PREAMP OUTPUTS
+ -
RIGHT
TWEETER
(CURRENT
SOURCE)
+ -
LEFT
WOOFER
(VOLTAGE
SOURCE)
+ -
LEFT
TWEETER
(CURRENT
SOURCE)
LOUDSPEAKERS
+ -
RIGHT
WOOFER
(VOLTAGE
SOURCE)
If your speakers can be biwired or
biamped, they will have completely
separate input terminals for the woofer
sec tion and the upper range. See the
speak er diagram and dis cus sion on
page 12.
Make sure that any links be-
tween the woofer and upper
range posts are re moved
from the speakers when
you want to biamp or biwire them.
Consult your speak er owner’s
manual for details.
The front channels of the Cinema
Grand Ampli
Þ
er each have two pairs
of outputs which can be used to biwire
your speakers. The idea is to use the
voltage source
to drive the woofer,
and the
current source
to drive the
upper range. This will offer improved
per for mance and still allow you to con-
nect seven speakers for your Home
Theater system.
This page shows the input and out-
put connections for Biwiring a left front
speaker and a right front speaker.
The remaining speaker connections
have been omitted from this drawing
for clarity. They can be connected as
shown on pages 10 and 11.
Output connections
• Connect the ampli
Þ
er’s right
front
voltage source
output
to the right speak er’s woofer
input terminals. Connect the
ampli
Þ
er’s right front
current
source
output to the right
speaker’s upper range input
terminals.
• Connect the ampli
Þ
er’s left
front
voltage source
output
to
the left speaker’s woofer input
ter mi nals. Connect the ampli-
Þ
er’s left front
current source
output to the left speaker’s
upper range input terminals.
Biwiring Connections
Input connections
Connect your preampli
Þ
er’s outputs
to the corresponding input jacks on
the Cinema Grand.
Speaker-level audio outputs
From: Ampli
Þ
er outputs
To: Speaker input posts
Line-level audio signals
From: Preampli
Þ
er main RCA outputs
To: Ampli
Þ
er line-level inputs
