Extron electronics XTRA FULL RACK XPA 2002 Manuale utente

XTRA™ Full Rack Series • Setup Guide

This guide provides basic instructions for an experienced installer

to set up and operate the Extron®XTRA Full Rack Series of

power ampliﬁers. All references refer to the

XTRA Full Rack Series: XPA 2002, XPA 2002-70V, 2003C-70V,

and 2004 User Guide.

• XPA 2002 outputs stereo audio at 200 watts rms per channel (4-ohm speakers) or

100 watts rms per channel (8-ohm speakers) on channels 1 and 2. Output is 400 watts

bridged mono (8-ohm speaker).

• XPA 2002-70V outputs 200 watts rms per channel on channels 1 and 2 for 70 V systems.

• XPA 2003C-70V outputs 200 watts per channel (4-ohm speakers) or 100 watts per channel

(8-ohm speakers) on channels 1 and 2, and 200 watts (70 V line, mono) on channel 3.

• XPA 2004 outputs stereo audio at 200 watts per channel (4-ohm speakers) or 100 watts

per channel (8-ohm speakers) on channels 1, 2, 3, and 4. Output is 400 watts per bridge

in bridged mono (8-ohm speakers) on bridge A (channels 1 and 2) and bridge B (channels

3 and 4).

Installation

NOTE: Adjust the audio level to =prior to the ampliﬁer being powered back up in step 5.

See “Rear Panel Features and Operation” in the user guide.

1. Turn off all equipment including the XPA ampliﬁer by toggling the power off and

disconnecting the power cords. Verify that the ampliﬁer is disconnected from the

power source before proceeding.

2. Mount the ampliﬁer — For diagrams of typical application examples, see “Application

Examples” in the user guide. For further mounting instructions, see “Mounting the XTRA

Series of Power Ampliﬁers” in the user guide.

3. Wire input to the 3.5 mm input connectors of the ampliﬁer, as shown in the following

illustration. See “Rear Panel Features and Operation” in the user guide for bridging

information.

" (5 mm) MAX. Tip

Sleeve

Ring

Tip

Sleeve

Unbalanced Input Balanced Input

The wires must not be tinned: tinned wire does not

hold tight in the captive screws and can break easily

after several bends.

4. Wire the outputs — Wire speakers to the output connectors of the ampliﬁer using the

included 2-pole (XPA 2002, XPA 2002-70V and XPA 2003C-70V) or 4-pole

(XPA 2003C-70V and XPA 2004) screw lock plug.

2-pole (70 V) output connector wiring:

4-pole (8 ohm or 4 ohm) output connector wiring:

IMPORTANT:

Refer to www.extron.com for

the complete user guide and

installation instructions.

1 2 3

(BRIDGE A) (BRIDGE B)

Do not tin the wires!

OUTPUT

70V

1 2

(BRIDGE)

1 2

Do not tin the wires!

1 2

OUTPUT

WARNING: Do not short the “+” and “_” outputs to each other. Doing so will short the

outputs and may damage the ampliﬁer.

For complete wiring details, see “Rear Panel Features and Operation” in the user guide.

5. Bridge outputs (XPA 2002, XPA 2004) — Bridging the output of input 1 (for the XPA 2002)

or inputs 1 and 3 (for the XPA 2004) doubles the output of those inputs. See

“Bridged mode output” in the user guide for further details.

Bridge mode: XPA 2002

Bridging takes the signal from input 1 and outputs the

combined output of 400 watts from the + terminals of

output channels 1 and 2. Toggle the bridged output mode

switch up (bridged) or down (unbridged). See the diagram

at right.

Bridge mode: XPA 2004

Bridging takes the signal from input 1 or input 3 or both

and outputs the combined output of 400 watts from the

+ terminals of output channels 1 and 2 (Bridge A), or output

channels 3 and 4 (Bridge B), or both. Toggle the bridged

output mode switch up (bridged) or down (unbridged) for

the appropriate input channel. See the diagram at right.

NOTE: When bridging outputs, the minimum load impedance is 8 ohms.

6. Reconnect all power cords and switch on all other equipment before powering up the

power ampliﬁer. The ampliﬁer must be powered up last. The front panel LED of the ampliﬁer

should light green.

7. Adjust the audio level using the rear panel

adjustment screws, shown at right.

8. Set the high pass ﬁlter — Use a small

screwdriver to toggle this switch between off

(no ﬁltering) and 80 Hz. The XPA 2002-70V has two

switches, one for each output channel. The

XPA 2003C-70V has one switch for the 70V line

distribution output channel (channel 3). Setting the

switch to 80 Hz prevents the saturation of 70V speaker

input transformers by low frequency signals.

9. If desired, wire a contact closure device to the remote

standby connector. Connecting pin 2 to ground (pin 1)

places the ampliﬁer in standby mode. Standby mode

turns off all outputs, although the ampliﬁer is still receiving power.

Use the included 2-pin, 3.5 mm captive screw connector to jumper the pins.

To Contact Closure Port

on Control Device STANDBY

Extron USA - West

Headquarters

+800.633.9876

Inside USA/Canada Only

+1.714.491.1500

+1.714.491.1517 FAX

Extron USA - East

+800.633.9876

Inside USA/Canada Only

+1.919.863.1794

+1.919.863.1797 FAX

Extron Europe

+800.3987.6673

Inside Europe Only

+31.33.453.4040

+31.33.453.4050 FAX

Extron Asia

+800.7339.8766

Inside Asia Only

+65.6383.4400

+65.6383.4664 FAX

Extron Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Extron China

+400.833.1568

Inside China Only

+86.21.3760.1568

+86.21.3760.1566 FAX

Extron Middle East

+971.4.2991800

+971.4.2991880 FAX

10 10

OFF

BRIDGE

MODE

BRIDGE A

8 / 4

8 Ohm

(BRIDGE 8 ONLY)

80 Hz

OFF

CH 2

80 Hz

OFF

CH 1

HPF

80 Hz

OFF

CH 3

HPF

XPA 2002-70V XPA 2003C-70V

XTRA Full Rack Series • Setup Guide, cont’d

LEVEL

1 2 3 4

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