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emphasis in either alternate level
setting can provide exceptional
excitement and even greater enjoy-
ment in home theater sound.
These slotted control knobs are
intended to require insertion of a coin to
change their settings; they resist
accidental changes of position.
@
OPERATIONAL MODE:
The Operational
Mode switches select the signal process-
ing characteristics of each amplifier
channel independently to complement
the response characteristics and excur-
sion limits of the HTS Loudspeakers:
HTSSOCF Center Front, HTSSOLRS Front
Left,
Right and Surround, or HTS5OW
Subwoofer (selectable in Channel
1
only). These slotted control knobs are
also
intended to require insertion of a
coin to change their settings; they resist
accidental changes of position.
An
excursion limiting circuit
continuously monitors the audio signal,
and modifies the low-frequency response
only when necessary to prevent over-
excursion of the particular HTS
loudspeaker connected to that channel.
The characteristics of this
circuitry
depend on the Operational Mode
selected. This limiter circuit is always
active for loudspeaker protection.
There are two possible Operational Modes
for the CF and
LRS Loudspeakers, selected
according to whether or not a subwoofer is used
in the Home Theater Sound System. When the
selector is in the CF or
LRS position, the
amplifier low frequency output cuts off at 80
Hz
to match the HTS5OSW Subwoofer response;
these Operational Modes should
be
selected
when the
HTS system does include the
HTSSOW subwoofer.
When the system does not include the sub-
woofer, the selector should be in the
CFx or
LRS,
Mode. In these Modes, the amplifier low fre-
quency output extends down to 60 Hz: the ex-
tended low-frequency output signal is intended
to help compensate for the lack of a subwoofer.
@CHANNEL1
FLAT:
Output has no signal processing in
the signal path other than the defeatable
clipping protection circuit. In Flat Mode
the
HTSSOSPA is suitable for
use
with any
loudspeaker.
LRS:
Output is tailored to match the
HTS50LRS Loudspeaker with low-
frequency cutoff at 80
Hz
for use in a
system that
does
include a subwoofer.
LRSx:
Output matches HTS5OLRS Loud.
speaker with low-frequency extension
down to
60
Hz
for use in a system that
does not include a
subwoofer.
CF:
Output matches HTSOCF
I~udspeaker with low-frequency cutoff at
80 Hz for
use
in a system that
does
include a subwoofet
CFx:
Output matches HTS5OCF
Loudspeaker with low-frequency exten-
sion down to 55
Hz
for use in a system
that does not include a subwoofer.
SW:
Output matches HTS5OW
Subwoofer with controlled low-frequency
boost and response from
33
to 80
Hz.
This
Moak
is
available only on Channel
I.
IPERAT
IONAL MO
3
'cF
PROTECT101
MFEAT
priate position to control equalization of
the output to match
HTSSO Loudspeakers
or set to Flat for any other loudspeaker;
use the Channel
1
Level control to
determine the Bridged output level. In
Bridged Mode, the protection circuitry
for both channels should have the same
status (Protection Defeat pushbuttons
both
out or
both
in). Total output is 250
watts into 8 ohms from
1
volt input. Refer
to Bridge Connection instructions for
specific details on connecting loud-
speakers for
hs Operational Mode.
@
cHANNEI.2
Identical to Channel
1
except the
extreme clockwise position in Channel
2
is Bridge instead of W. Explanation
follows.
functionahen Mode &lector is in
Bridge.) Use the Operational Mode
selector of Channel
1
set to any appro-
@
PROTECTION DEW:
Individual
pushbutton switches for Channel
1
and
Channel 2 disengage the built-in
protection circuitry that prevents long-
term hard clipping at the output. Under
BRIDGE:
Input from Channel
1
appears
at both Channel
1
and Channel
2
plus
(+)
ournuts (Channel
2
Input does not
POWER:
The pushbutton switch turns
power on and off.
most
ordmry circumstances, the
protection circuits should
be
engaged
(Protection Defeat switch out.)