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Position. what you’ll need, Before connecting, You should know – Parasound A 51 User Manual

Page 9: A “control” component with +9, Dc to +12, Dc trigger voltage, Down) position, 1 plug one end of the trigger wire into the 12

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CONNECTING AN EXTERNAL DC SOURCE FOR
AUTOMATIC TURN ON-OFF

To automatically turn on and off the A 51 with an external DC voltage, choose the DC Triggering
option by moving the Auto Turn On switch on the rear panel to its lower 12

V

position.

What You’ll Need:

A cable with a 2.5 mm sub-mini plug on each end (provided)

A “control” component with +9

V

dc to +12

V

dc trigger voltage

Before Connecting

❑ Remove Power to all the components in your audio system.
❑ Make sure the Auto Turn On switch on the A 51 rear panel is in its 12

V

(down) position.

To Connect

1 Plug one end of the trigger wire into the 12

V

Input jack on the A 51.

2 Plug the other end of this wire into the external DC source.

7

CONTROL
COMPONENT

Output

CONTROL
COMPONENT

Parasound Products, Inc.

San Francisco, CA USA

Manufactured under

license from Lucasfilm

Ltd. Lucasfilm and THX

are registered Trademarks

of Lucasfilm Ltd.

CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.

L U C A S F

I

L M

L M

A51 Amplifier

WARNING

To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.

AC 115V 60Hz
AC 230V 50Hz

Power Consumption: 1800W

Input

12 V

Man

Audio

50 mV 250

Ground

Normal

Lift

Auto Turn On

Sensitivity

Fuse

T15A/250V1-115V Area

T8A/250V-230V Area

Ch 1

Ch 2

Ch 3

Ch 4

Ch 5

Balanced

Unbalanced

Input Select

2

1

Auto Turn On Switch, set to down position

YOU SHOULD KNOW

If the device you want to use to control your A 51 doesn’t have a 2.5 mm trigger output
connector, you can cut one plug off the cable and terminate the end as required. The lead
with the red stripe is positive and the lead without the stripe is negative.

2.5 mm sub-mini plug