Bridge mode XPA 2002 and XPA, Standby | Extron electronic XPA 2004

XTRA™ Full Rack Series • Setup Guide (Continued)

	5. Bridge outputs (XPA 2002, XPA 2004, and XPA 4002) — Bridging the output of input 1 (XPA 2002 and XPA 4002)	ON
	or inputs 1 and 3 (XPA 2004) doubles the output of those inputs (see “Bridged Mode Output” in the	OFF
	user guide for further details). The bridge output mode toggle switch is shown at right.	OFF

Bridge mode: XPA 2002 and XPA 4002

Bridging takes the signal from input 1 and outputs the combined output of 400 watts (XPA 2002) or 800 watts (XPA 4002) from the + terminals of output channels 1 and 2 (see the diagram at right). Toggle the bridged output mode switch up (bridged) or down (unbridged).

BRIDGE A

1 2

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 (see the diagram at right). Toggle the bridged output mode switch up (bridged) or down (unbridged) for the appropriate input channel.

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

8/ 4 (BRIDGE 8ONLY)

8 Ohm

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.

NOTE: Adjust the attenuation level to = before powering the amplifier back up in step 6. See “Rear Panel Features

and Operation” in the user guide for details. On some models, this adjustment is referred to as “level”, but the function is the same, whichever way your product is labeled.

7.Adjust the attenuation level using the rear panel adjustment screws.

	1			2			3			4
12	10	8	12	10	8	12	10	8	12	10	8
14			614			6 14			6 14		6
18			4			4			4		4
26			2			2			2		2	HPF	HPF
		0			0			0			0
											1	2	3

8.Set the high pass filter — Use a small screwdriver to toggle this switch between off

(no filtering) and 80 Hz (default). The XPA 2002-70V, XPA 2002-100V, and XPA 4002-70V have two switches, one for each output channel. The XPA 2003C-70V and the

XPA 2003C-100V have one switch for the 70 V (XPA 2003C-70V) or 100 V (XPA 2003C-100V) line distribution output channel (channel 3). Setting the switch to 80 Hz prevents the saturation of speaker input transformers by low frequency signals (see the diagram at right).

80 Hz	80 Hz
OFF	OFF

XPA 2002-70V	XPA 2003C-70V
XPA 2002-100V	XPA 2003C-100V
XPA 4002-70V

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

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68-783-50 Rev. E

03 12

XPA 4002, XPA 2003C-100V, XPA 4002-70V, XPA 2002-100V, XPA 2002-70V specifications

Extron Electronics offers a comprehensive range of professional power amplifiers designed for a variety of audio applications. Among these, the XPA 2003C-70V, XPA 2004, XPA 2002, XPA 2002-70V, and XPA 2002-100V stand out for their versatility and efficiency.

The XPA 2003C-70V is particularly notable for its three-channel design, which enables simultaneous connections to multiple speakers in commercial AV installations. It operates at 70 volts, ensuring that long wiring runs do not degrade audio quality. This model employs Extron's patented Class D technology, effectively minimizing heat generation and allowing for a compact form factor. It also features a high-efficiency thermal management system to ensure optimal performance and reliability.

The XPA 2004, on the other hand, is a four-channel amplifier ideal for larger systems. It is similarly designed using Class D technology, offering remarkable efficiency and lightweight construction. This model is equipped with balanced and unbalanced inputs, making it compatible with a wide range of audio sources. Its robust output allows for driving multiple speakers without sacrificing sound quality, making it a favorite for both corporate and educational environments.

The XPA 2002 is a two-channel amplifier that provides reliable performance with 200 watts per channel. It is perfect for smaller applications where powerful audio output is required without the need for multiple channels. Furthermore, it features integrated protections against overload and thermal issues, ensuring consistent operation.

For projects requiring a 70-volt system, the XPA 2002-70V provides a powerful solution. This model supports long-distance signal distribution while delivering exceptional clarity in audio reproduction. Its versatile configuration options make it easy to integrate into existing systems.

Lastly, the XPA 2002-100V is engineered specifically for high-power applications. It can operate in a 100-volt environment, making it suitable for larger venues such as auditoriums and conference centers. Like its counterparts, it benefits from Extron's advanced thermal management and protection features, providing both reliability and sound quality.

These amplifiers all come with Extron's industry-leading support and a warranty, ensuring peace of mind for professionals in the field. With their advanced technologies, superior performance, and varied configurations, the Extron XPA series amplifiers are excellent choices for any audio-visual integration project.