Read Harman Kardon SIGNATURE 1.5 (serv.man5) Service Manual online
3
Two Channel Amplifier
Harman Kardon
SIGNATURE 1.5
REAR PANEL CONNECTIONS
5 Channel One Output: When the amplifier is being used in
the two-channel (Stereo) mode, connect the right channel
speaker to the positive (+) and negative (-) terminals. When
the amplifier is being used in the Bridged Mono mode
connect the Positive (+) terminal ONLY to the Negative (-)
terminal on your speaker.
6 Channel One Input: When the amplifier is being used in
the two-channel (Stereo) mode, connect the right channel
output of your preamp or processor to this input jack. When
the amplifier is being used in the Bridged Mono mode, this
jack is not used.
7 Bridge/ Normal Switch: When the amplifier is used for
two-channel stereo operation, this switch should be in the
NORMAL position. For Bridged Mono use only, place the
switch in the BRIDGE position.
8 Channel Two Output: When the amplifier is being used
in the two-channel (Stereo) mode, connect the left channel
speaker to the positive (+) and negative (-) terminals.
When the amplifier is being used in the Bridged Mono mode
connect the Positive (+) terminal ONLY to the Positive (+)
terminal on your speaker.
Important Note: When the 1.5 is used in the Bridged Mono
mode, do not connect a speaker with an impedance less
than 8 ohms.
9 Channel Two/ Bridged Input: When the amplifier is
being used in the two-channel (Stereo) mode, connect the
left channel output of your preamp or processor to this input
jack. When the amplifier is being used in the Bridged Mono
mode, connect the output of your preamplifier or other
line-level signal source to this jack.
10 Power Amp Trigger Input: Connect this jack to a
matching 6- to 12-VDC trigger output on a compatible
device to have the 1.5 automatically turn on from the
Standby mode when voltage is applied from the triggering
unit. Note that a 3.5mm mono mini-plug with a positive tip
should be used for the connection.
11 AC Power Cord: Connect this plug to a non-switched
AC outlet. Due to the high-current draw of the Signature 1.5,
it is NOT recommended that the accessory outputs on the
back of audio/video components be used to power this
product.
4
MIN
W
4
MIN
W
8
MIN
W
SPEAKER
SPEAKER
IN
IN
CHANNEL ONE (RIGHT)
CHANNEL TWO (LEFT BRIDGE)
1
2
AC INPUT
AC 120V/60Hz 600W
6
7 8
9
10
11
5
BRIDGE IN
POWER AMP
TRIGGER IN
BRIDGE
NORMAL
(
) BRIDGE (
)
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