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EN
Reference 3004A and
Reference 7005A Amplifiers
WIRING FOR OUTPUT
Reference 3004A 4-channel output (4ohm/2ohm)
Front left speaker
Rear right speaker
+ -
+ -
FRONT
L
R
REAR
L
R
Front right speaker
Rear left speaker
+ -
+ -
Reference 3004A 3-channel output (Font: 4ohm/2ohm;
Rear:4ohm)
Front left speaker
Subwoofer
+ -
+ -
FRONT
BRIDGED
L
R
REAR
L
R
BRIDGED
Front right speaker
+ -
Reference 3004A 2-channel output (4ohm)
Subwoofer
Subwoofer
+ -
+ -
FRONT
BRIDGED
L
R
REAR
L
R
BRIDGED
Reference 7005A 5-channel output (4ohm/2ohm)
Front left speaker
Rear right speaker
+ -
+ -
Front right speaker
Rear left speaker
+ -
+ -
Subwoofer
+ -
FRONT
BRIDGED
SUB
L
R
REAR
L
R
BRIDGED
CONNECTING THE REMOTE BASS
CONTROLLER (REFERENCE 7005A ONLY)
REMOTE
CONTROL
SETTING GAIN, CROSSOVERS, AND BASS
BOOST
MAX
MIN
GAIN
Setting the gain
1. Start with
control set to minimum,
and the crossover control rotated midway.
2. For the front and rear channels, choose
music you're familiar with. For the
subwoofer channel on the Reference
7005A, choose music with substantial bass
content.
3. Turn the volume control on your receiver to
¾ of its total output.
4. Adjust the
control clockwise,
listening carefully to the bass output. If
you hear distortion, turn the
control
counterclockwise to decrease the gain.
X-OVER
HPF
LPF
FULL
Selecting the crossover mode
On the front and rear channels, you can select
your preferred crossover mode.
Choose
to allow only frequencies
above a certain point to reach your speakers.
Recommended if you're using a subwoofer in
your system, as it keeps low base from your
full-range speakers.
Choose
to allow only frequencies below
a certain point to reach your speakers.
Recommended if you're bridging the front or
rear channels to power a subwoofer.
Choose
to allow all frequencies to reach
your speakers. Recommended if you're not
using a subwoofer in your system.
Note:
The crossover mode for the subwoofer
channel of the Reference 7005A is low-pass
only.
FREQ
320Hz
32Hz
Selecting the crossover frequency
Choose the crossover point to suit listening
preferences. Turn the dials to the left to lower
the crossover point and to the right to raise
the crossover point. Exact crossover settings
for coaxial speakers and subwoofers depend
on your listening preferences.