DLS Performance series Specifications download pdf (Page 12)

CA51

Speaker wiring CA 51

Four fullrange speakers to CA51. One pair in

front and one pair in rear.

Rear speakers Front speakers

Filter settings A/B Channels

With the HPF-filter in OFF position the amplifier

allows the speakers to play fullrange. If you for

some reason want to limit the low bass

reproduction switch on the HPF-filter. The typical

setting is then around 60 – 80 Hz.

The LPF-filter switch should be in OFF-position

Multiply

x1 x10

80/800Hz

Off On

200/2(k)Hz

50/500Hz

500/5(k)Hz

LPF

HPF

50/500Hz 220/2(k)Hz

15/150Hz

500/5(k)Hz

Off On

Multiply

x1 x10

HPF

Off On

50Hz 220Hz

15Hz

500Hz

Filter settings C/D Channels

LPF

Off On

80Hz 200Hz

50Hz

500Hz

With the HPF-filter in OFF position the amplifier

allows the speakers to play fullrange. If you for

some reason want to limit the low bass

reproduction switch on the HPF-filter. The typical

setting is then around 25 – 40 Hz.

The LPF-filter switch should be in OFF-position

Subwoofer to CA51

The CA51 is a five channel amplifier. On channels

A/B, C/D the filter configuration is exactly the same

as for CA41. For speaker connections on these

channels you can use the examples for CA41.

Channel E is a subwoofer mono channel with a

lowpass filter adjustable from 50 to 500 Hz. Channel

E has also a subsonic filter that can be switched

IN-OUT. The subsonic filter has a fixed frequency

of 25 Hz.

You can connect one 4 ohm subwoofer to channel

Filter settings E Channel

The subsonic filter takes away the very deepest

frequencies. Turn on the subsonic filter if you want

to remove these frequencis.

The LPF will allow low frequencies only and blocks

higher frequencies. A typical setting is 70 – 100 Hz.

The phase control can be set continuously from 0 -

180 degrees. This is very useful when you want to

adjust the bass sound for best front stage image.

Start on 0 and turn the control slowly clockwise until

you experience the bass sound coming from the

front. If you dont get

the result you want,

also try to phase reverse

the subwoofer

connections and make

a new adjustment.

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DLS Performance series Specifications Page 12

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