Directed Audio 250d Instruction Manual download pdf (Page 3)

P o w e r C o r d C o n n e c t i o n

The SUB 10-250D and SUB 12-500D feature removable IEC power

connectors. (A power cord is included only with the 120V version of

the amplifier.) Plug the female end of the power cord into the Power

Cord Connector on the amplifier rear panel and plug the male end

into a grounded wall socket. DO NOT plug the amplifier’s power

cord into a convenience outlet on any other audio or video

component.

If you need to use an extension cord, use only a heavy duty (14-

GAUGE OR LARGER) extension cord to avoid starving the amplifier

of the current necessary for full operation.

Rear Pane l Connecti ons and Co ntrols

A . C . F u s e H o l d e r

To replace the fuse, unplug the power cord from the Power Cord

Connector and use a screwdriver to remove the fuse holder.

SUB 10-250D 120V - 8 amp AC

SUB 10-250D 230V - 6.3 amp AC

SUB 12-500D 120V - 12 amp AC

SUB 12-500D 230V - 8 amp AC

CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE,

REPLACE THE FUSE WITH ONLY THE SAME TYPE AND RATING.

CAUTION: DO NOT PLUG THE POWER CORD INTO THE WALL

OUTLET UNTIL ALL SYSTEM CONNECTIONS HAVE BEEN MADE

AND VERIFIED.

L i n e I n p u t s a n d O u t p u t s

The SUB 10-250D and SUB 12-500D amplifiers have LINE INPUTS

and hi-pass filtered LINE OUTPUTS. Use these connections if your

receiver or preamp has a line-level subwoofer output.

If the receivers subwoofer output is mono use the input marked LFE.

If your system has a separate preamp and power amplifier you can

use the LINE INPUT and LINE OUTPUT jacks to connect the amplifier

between the preamp and power amp.

NOTE: THE LINE OUTPUT JACKS ARE HIGH PASS FILTERED AT

150Hz, 6dB PER OCTAVE.

CAUTION: BEFORE CONNECTING THE AUDIO SIGNAL TO THE

AMPLIFIER DETERMINE IF YOU WILL BE USING THE LINE LEVEL OR

SPEAKER LEVEL INPUTS.

USE EITHER THE LINE OR SPEAKER LEVEL INPUTS, DO NOT USE

BOTH AT THE SAME TIME. DAMAGE WILL OCCUR TO THE

AMPLIFIER.

S p e a k e r L e v e l I n p u t s a n d O u t p u t s

If your system’s electronics do not have preamp outputs or a

subwoofer output you can connect its left and right speaker outputs

to the SPEAKER LEVEL Inputs.

Connect the SPEAKER LEVEL Outputs to your left and right main

speakers. Always make sure to connect the ―+‖ terminals to the

electronics’ and speakers’ ―+‖ terminals, and its ―–‖ terminals to the

electronics’ and speakers’ ―–‖ terminals.

NOTE: THE SPEAKER LEVEL OUTPUT JACKS ARE HI-PASS FILTERED

AT 150HZ, 6dB PER OCTAVE.

CAUTION: DO NOT CONNECT THE SPEAKER LEVEL INPUTS TO A

RECEIVER OR AMPLIFIER WITH A BRIDGED OUTPUT. BEFORE

USING THE SPEAKER LEVEL INPUTS, CHECK YOUR RECEIVER’S OR

AMPLIFIER’S DOCUMENTATION.

S p e a k e r F u s e

To replace the fuse, unplug the power cord from the Power Cord

Connector and use a screwdriver to remove the fuse holder.

SUB 10-250D 10 amp slow blow

SUB 12-500D 12 amp slow blow

A u t o O n S w i t c h

When this switch is in the ON position the SUB 10-250D and

SUB 12-500D will automatically turn ON when it senses a signal on

either the line level or speaker level inputs. The amplifier will remain

on for approximately 15 minutes after the signal has ceased. If you

want to manually turn the amplifier ON and OFF, set the AUTO ON

switch to the OFF position. This allows the amplifier to be switched

ON and OFF by the front-panel POWER button.

CAUTION: FOR CONTINUED PROTECTION OF THE WOOFER

DRIVER, REPLACE THE FUSE WITH ONLY THE SAME TYPE AND

RATING.

S u b w o o f e r O u t

The subwoofer output terminals are connected in parallel. Only

connect one subwoofer driver to each pair of terminals. Connecting

more than one subwoofer driver to each terminal will result in

damage to the amplifier.

Always make sure to connect the ―+‖ terminal to the amplifier to the

―+‖ terminal on the speaker, and the ―–‖ terminal on the amplifier

to the ―–‖ terminal on the speaker.

SONANCE CINEMA

SUBWOOFER AMPLIFIERS

1 3 6

1 2 3 4 5 6 7 8

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Directed Audio 250d Instruction Manual Page 3

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