Controls

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

1

 

 

FUSE(15A4 )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

SPEAKER OUTPUT

 

SERVO II

 

 

 

4

 

 

 

 

 

 

 

BATT.

 

 

 

+

 

FEED BACK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

15

15

15

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUT

5

0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSITIVITY (MIN)

(MAX)

 

 

1

 

 

2 3

 

 

4

 

 

5

 

 

50

 

200

40

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LO PASS

 

B.R.F.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FREQUENCY

FREQUENCY

 

 

 

LINE IN

OUT

 

 

 

 

 

 

 

 

 

 

 

 

#

 

%

 

 

 

 

L

L

GND

P.CON EXT.AMP.CONT.

 

 

 

 

 

 

 

INFRASONIC

 

BAND

 

 

 

 

 

 

 

 

 

 

 

 

FREQ (Hz)

 

 

REJECT

LPF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

INFRASONIC

 

BAND

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

FREQ (Hz)

 

 

REJECT

LPF

B.M.S.

 

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

25

OFF

ON

OFF ON

OFF ON

 

 

 

 

 

 

15

 

30

 

 

 

 

OPEN/ B.M.S.

 

 

 

 

 

 

 

20 25

OFF

ON

OFF ON

OFF ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLOSE B.M.S. (+6)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(REMOTE)

 

 

 

 

 

 

 

& ^ $ @ 6 7 8 9 0

1Fuse (15 A 4)

2Battery terminal

3Ground terminal

4SPEAKER OUTPUT terminals

As this unit accepts speakers with a minimum impedance of 2 ohms, connect speakers with 2-ohm or higher impedance to these terminals.

2CAUTION

@Low Pass Filter switch

When this switch is set to ON, the bass is boosted because the frequencies of the lower frequency band than the cutoff frequency set with the LPF FREQUENCY control are output.

#LPF FREQUENCY control

Sets the cutoff frequency when the FILTER switch is set to LPF.

$BAND REJECT filter switch

The rated input of the speakers should be no less than the maximum output of the amplifier. Otherwise malfunction may result.

5SIGMA SERVO FEED BACK terminals (See p.11)

2CAUTION

Be sure to make proper connections to the SIGMA SERVO FEED BACK terminals. Incorrect connection may result in lack of sound output or other malfunctions.

6RCA cable ground lead terminal

7LINE IN terminal

8LINE OUT terminal

9Power control terminal

0EXT.AMP.CONT. (external amplifier control) terminal

This controls the B.M.S. (See P.6).

!INPUT SENSITIVITY control

Adjust this control according to the pre-out level of the centre unit connected to this amplifier.

NOTE

When this switch is set to ON, frequencies in the band set with the BAND REJECT FREQUENCY control are rejected and eliminated. The band rejection allows to reduce resonance inside the vehicle compartment and standing waves. (See P.12)

%BAND REJECT FREQUENCY control

Sets the rejection frequency when the BAND REJECT switch is set to ON. (See P.12)

^INFRASONIC FILTER switch

When this switch is set to ON, the inaudible, ultralow frequencies below the frequency set with the INFRASONIC FILTER FREQUENCY switch are cut off. This improves the reproduction performance of the speakers by eliminating unnecessary oscillations which will not become sound.

&INFRASONIC FILTER FREQUENCY switch

Switches the cutoff frequency when the INFRASONIC FILTER switch is set to ON.

Refer to “Specifications” on the centre unit’s instruction manual about the pre-out level.

4English