Extron electronics XPA 1002 Manuale utente

IMPORTANT:

Go to www.extron.com for the complete

user guide, installation instructions, and

specifications before connecting the

product to the power source.

XTRA™Series Half-Rack

Audio Power Ampliﬁers • Setup Guide

WARNING: May cause serious injury. Installation and service must be performed by experienced personnel only. These

products must be used with UL approved, grounded, electrical boxes.

This guide provides startup instructions for an experienced installer to set up and operate the XPA 1002 or XPA 2001 series audio

power ampliers. All references are to the XTRA Series Half-Rack User Guide which can be found on www.extron.com.

Step 1 — Powering Down Equipment

Be sure that power to the amplier is turned off rst.

NOTE: Adjust the audio level to =(full attenuation) prior to the amplier being powered back up in step 5.

Turn off all other equipment and disconnect the power cables. Verify that the amplier is disconnected from the power source

before proceeding.

Step 2 — Mounting and Applications

For diagrams of typical application examples, see “Application Examples” in the User Guide. For further mounting instructions,

see “Mounting the XTRA Series Amplier” in the User Guide.

Step 3 — Captive Screw Audio Cable Wiring

NOTE: Control signal ground pins may be labeled as , , or “G”. Audio ground pins may be labeled as or .

The wiring and function are the same, whichever way your product is labeled.

Wire the source output to the amplier input 3.5 mm captive screw connectors as shown in the following illustration.

NOTE: The output power of the XPA 1002 and XPA 1002 Plus can be effectively doubled by using only one source channel

and bridging the output. The XPA 1002 and XPA 1002 Plus output 200 watts @ 8 ohms in bridged mode (see

“Bridged Mono Output” in the User Guide for wiring instructions when bridging the XPA 1002 or XPA 1002 Plus).

Do not tin the wires!

XPA 1002 Series

Unbalanced Dual Mono Input

Tip

Sleeve

XPA 1002 Series

Balanced Dual Mono Input

Tip

Ring

Sleeve

Unbalanced Stereo Input

Tip

Sleeve

Tip

Balanced Stereo Input

Tip

Ring

Tip

Ring

Sleeves

NOTE: For mono input on the XPA 2001, only the left channel needs to be wired; no jumpering to the right channel is

needed. The left and right inputs of the XPA 2001 are summed internally to mono.

Step 4 — Speaker Wiring

Wire the speakers to the output connector of the amplier using the included 4-pole

(XPA 1002 series) or 2-pole (XPA 2001-70V and XPA 2001-100V) captive screw connector as

shown to the right.

Step 5 — Setting the High Pass Filter (HPF)

On the XPA 2001-70V and XPA 2001-100V models, use a Tweeker to toggle the high pass lter switch

between off (no ltering) and 80 Hz (default). Setting the switch to 80 Hz prevents the saturation of

speaker input transformers by low frequency signals.

NOTE: The high pass lter switch may be labeled one of two ways (see the images to the

right). The function is the same, whichever way your product is labeled.

XPA 1002 Series

XPA 2001 Series

HPF

80 Hz

OFF

80 Hz

HPF

68-2354-50 Rev. A

01 14

Extron Headquarters

+800.633.9876 Inside USA/Canada Only

Extron USA - West Extron USA - East

+1.714.491.1500 +1.919.850.1000

+1.714.491.1517 FAX +1.919.850.1001 FAX

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Inside Europe Only

+31.33.453.4040

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FAX

Extron

Middle East

+971.4.299.1800

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Extron India

1800.3070.3777

Inside India Only

+91.80.3055.3777

+91.80.3055 3737

FAX

Step 6 — Control Wiring

On the XPA 1002, XPA 1002 Plus, XPA 2001-70V, and the XPA 2001-100V models, the 3.5 mm, 5-pin

captive screw remote control port (shown to the right) is used to control volume and standby mode

through contact closure. Standby mode turns off all output, although the XPA is still receiving power.

For detailed wiring instructions, see the User Guide.

NOTES:

• Set the volume control on the connected control device to maximum and ensure

that the amplier is not forced into standby mode via the standby pin.

• The remote control port may be labeled one of two ways (see images to the right).

The wiring and function are the same, whichever way your product is labeled.

Step 7 — Powering On Equipment

ATTENTION: The amplier must be powered on last.

Reconnect all power cables and switch on all other equipment before powering on the power amplier. The front panel power

LED of the amplier lights green.

Step 8 — Adjusting Attenuation

Adjust the audio attenuation using the rear panel potentiometers as shown below (see “Rear Panel Features and Operation” in the

User Guide for more information).

NOTE: On some models, this adjustment is referred to as “level”. The function is the

same, whichever way your product is labeled.

XPA 1002 Series XPA 2001 Series

∞0

∞

ATTENUATION

∞

ATTENUATION

LEVEL

0 0

LEVEL

XPA 1002 XPA 2001 Series

Step 9 — Checking the LEDs

Check the limiter/protect and signal LEDs located on the front and rear panels if problems are encountered (see “Rear Panel

Features and Operation” in the User Guide for more information).

REMOTE

GCV

10V 50mA

STANDBY

12345

STANDBY

VOL/MUTE

10V 50 mA

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