Extron electronic MPA 152 PLUS setup guide MPA 152 Plus Setup Guide, Installation

MPA 152 Plus • Setup Guide

The Extron MPA 152 Plus is an ENERGY STAR® qualified mini power amplifier. It delivers up to 15 watts (rms) per channel stereo or dual mono into a 4 ohm sound system, or 8 watts (rms) per channel into an 8 ohm system.

For complete instructions, see the MPA 152 Plus User Guide, which is available at www.extron.com.

Installation

To install and set up an MPA 152 Plus, follow these steps:

1.Turn off all equipment and disconnect from power sources.

2.Mount the Extron MPA 152 Plus on a rack, under a desk, or on a projector pole.

ATTENTION: Although the amplifier is plenum rated, the power supply provided with it is

	OUTPUT
	REMOTE
	PLUS
MPA	152

Audio

Extron

MPA 152 Plus

Projector

	RS-232 or
	IR Projector
	control
	Audio
Audio	Video
	Audio
	S-Video
	RGBHV

		VIDE	O
F		X
		AU	O
OF		VIDE
ON
		PC
			E
		IMAG
		MUTE
		104	IP PLUS
	MLC

on Extr

Extron

MLC 104 IP Plus

MediaLink Controller with IP Link

Laptop

not. The power supply must not be placed in the plenum space. Cables to and from the amplifier must be plenum rated.

Mini Power Ampli￿er

Extron	DVD/VCR
	Combo
SM 3

Full-range

Speakers

NOTE: Use only the two round mounting holes for mounting the MPA 152 Plus. The other four (hexagonal) holes anchor
stand‑offs for the internal circuit boards. Using them may damage the amplifier	and	does not provide secure mounting
for the unit.

3.Attach the speakers to the MPA 152 Plus output, using the 4-pole, 5 mm captive screw receptacle (see the figure at right).

ATTENTION: Do not ground or short the speaker outputs as this will damage the amplifier.

8Ω / 4Ω

CLASS 2 WIRING

	OUTPUT
L	R

4. Attach inputs to the MPA 152 Plus unit from the audio source, the	INPUTS
projector, or both. There are three audio inputs (shown in the figure at
right), which can be used individually or together.

L R

1

AOne pair of RCA receptacles — these receptacles accept unbalanced, line level audio signals. The input can be stereo, using two RCA connectors, or mono, using a single RCA connector plugged into the left receptacle. If unused, the receptacles automatically terminate to lower the noise floor.

BOne 3.5 mm stereo tip-ring-sleeve receptacle — this input also accepts unbalanced, line level audio signals through a 3.5 mm tip ring sleeve (TRS) stereo connector. If unused, the receptacle automatically terminates to lower the noise floor.

COne 3.5 mm, 5-pole captive screw receptacle — this 5-pole 3.5 mm captive screw receptacle accepts line level, balanced or unbalanced, mono or stereo audio signals.

L R

2 3

Tip (+)

Sleeve ( )

RCA Connector

Tip (L)

Ring (R)

Sleeve ()

3.5 mm TRS Connector

Tip	L
Sleeve
Tip
Sleeve	R

Unbalanced Stereo Input

Tip	L
Ring
Sleeves
Tip
Ring	R

Balanced Stereo Input

L

Tip

Sleeve

R

Unbalanced Mono Input

Tip	L
Ring
Sleeve
	R

Balanced Mono Input

1