dls ra40 사용자 설명서

We follow a policy of continuous advancement in
development.
For this reason all or part of specifications & designs
may be changed without prior notice.

11

Number of channels

2

4

Working mode

AB

AB

RMS power out, 4 ohm

2 x 130 W

4 x 75 W

RMS power out, 2 ohm

2 x 220 W

4 x 110 W

RMS power out,  4 ohm bridged

1 x 440 W

2 x 220 W

THD @1 W

< 0,1%

< 0,1%

Signal to noise ratio,  A-weighted

>100 dB

>100 dB

Damping factor

>200

>200

Frequency response +/- 0,5 dB

10 Hz - 50 kHz

10 Hz - 50 kHz

Input impedance, low level

>10 kohm

>10 kohm

Input impedance, high level

330 ohm

330 ohm

High level input with auto start

Yes

Yes

Input sensitivity

0,2 - 7V

0,2 - 7V

Pre amp configuration on Front channel:
Filter high pass

20 - 150 Hz*

20 - 150 Hz*

Filter low pass

40 - 125 Hz*

No

Phase shift 0- 180 degrees contiously

Yes

No

Grand bass adjustable gain @ 40 Hz

0 - +18 dB

No

Pre amp configuration on Rear channel:
Filter highpass

No

20 - 150 Hz*

Filter lowpass

No

40 - 125 Hz*

Phase shift 0- 180 degrees contiously

No

Yes

Grand bass adjustable gain @ 40 Hz

No

0 - +18 dB

* can be switched in/out
Filter slope

12 dB/octave

12 dB/octave

Protection

current & thermal

current & thermal

Max cable size, DC input

4 AWG, 21 mm

2

4 AWG, 21 mm

2

Max cable size, speakers

5 AWG, 16 mm

2

7 AWG, 10 mm

2

Power consumption:
Idle

0,6 A

0,9 A

Maximum

50 A

50 A

Fuse

2 x 25 A

2 x 25 A

Dimensions HxWxD(mm)

59x359x245

59x359x245

Dimensions (inch)

2,33x14,1x9,65

2,33x14,1x9,65

Weight

3,8  kg (8,4 lbs)

 4,0  kg (8,8 lbs)

NOTE!
The amplifiers are two (2) ohm stable. In stereo
mode it´s possible to load the amplifier down to two
ohm on each channel.
In mono bridge mode it´s possible to load with one
four ohm fullrange speaker or subwoofer.
(In bridge mode the amplifier sees a four ohm
speaker as a two ohm load).