Sunfire Cinema Grand Power Supply Energy Load Invariant High Fidelity Super Definition Power Amplifier User Guide
User's Manual
12
CHAPTER 2
If your speakers can be biamped,
the Cinema Grand AmpliÞ er can be
con Þ g ured to provide a very powerful
system.
con Þ g ured to provide a very powerful
system.
A speak er which can be biamped or
biwired will have two sets of bind ing
posts. Some times these posts are
joined with shorting links for normal
operation.
posts. Some times these posts are
joined with shorting links for normal
operation.
Make sure that any links are
removed when you want to
biamp or biwire the speak-
ers. If not, this may cause
damage to the ampliÞ er.
removed when you want to
biamp or biwire the speak-
ers. If not, this may cause
damage to the ampliÞ er.
Each speaker can be driven by two
ampliÞ er channels; one to drive the
woofer and one for the upper range.
You will need to use four ampliÞ er
channels to biamp two speak ers.
woofer and one for the upper range.
You will need to use four ampliÞ er
channels to biamp two speak ers.
If you use the Cinema Grand Ampli-
Þ er for biamping, then a total of Þ ve
speakers can be con nect ed. You will
need an extra two channel ampliÞ er
if you want to run the surround back
speakers in a Home Theater system.
speakers can be con nect ed. You will
need an extra two channel ampliÞ er
if you want to run the surround back
speakers in a Home Theater system.
Bi amp ing
Inputs
Tweeter
Woofer
The following connections are
shown in the diagram on the top half
of the next page.
of the next page.
Output connections
• Connect the ampliÞ er’s right
rear output to the right speak-
er’s woofer input terminals.
Connect the ampliÞ er’s right
front current source output to
the right speaker’s upper range
input terminals. If you prefer,
you could use the right front
voltage source instead.
er’s woofer input terminals.
Connect the ampliÞ er’s right
front current source output to
the right speaker’s upper range
input terminals. If you prefer,
you could use the right front
voltage source instead.
• Connect the ampliÞ er’s left
rear output to the left speaker’s
woofer input ter mi nals.
Connect the ampliÞ er’s left
front current source output to
the left speaker’s upper range
input terminals. If you prefer,
you could use the left front
voltage source instead.
woofer input ter mi nals.
Connect the ampliÞ er’s left
front current source output to
the left speaker’s upper range
input terminals. If you prefer,
you could use the left front
voltage source instead.
Input connections
Each ampliÞ er channel has two
RCA inputs which are connected
together in ter nal ly.
together in ter nal ly.
• Con nect the preamp stereo
output to the front channel
RCA jacks. Then install short
in ter con nects from the other
unused front RCA jacks across
to the rear channel RCA jacks.
In this way, the front and rear
ampliÞ er channels are fed with
the same signal from your
preamp.
RCA jacks. Then install short
in ter con nects from the other
unused front RCA jacks across
to the rear channel RCA jacks.
In this way, the front and rear
ampliÞ er channels are fed with
the same signal from your
preamp.
• Note: you cannot use XLR
cables in, with RCA out, or
RCA in with XLR out. There is
no direct internal connection
between the RCA and XLR
inputs.
RCA in with XLR out. There is
no direct internal connection
between the RCA and XLR
inputs.