Radio Shack 32-2055 User manual

Please read this user’s guide before

installing, setting up and using your new product

www.radioshack.com

32-2055

250W PA Ampliﬁer

250W Power Amplifer Quick Start Guide

User’s Guide

Note: Actual product may vary from the images

found in this document.

Quick Start Guide

Thank you for purchasing your 250-Watt Stereo

Power Ampliﬁer from RadioShack. This PA gives

you the versatility and power you need in a

professional sound system. Its wide frequency

response easily handles ampliﬁcation of voice and

music. Use it anywhere you need to deliver special

announcements with excellent sound. It is perfect

for meeting halls, auditoriums, sporting events,

schools, or in the ofﬁce for paging systems. If it is

bridged, the ampliﬁer can produce up to 350 watts

of clean, powerful sound with minimum distortion.

Illuminated Power Switch

Lights up when you turn

on the switch.

CD/AUX

Adjust volume of CD or

auxiliary sound source.

CLIPPING Indicator

Lights up to remind you

to reduce volume when

the ampliﬁer output is

too high.

PROTECTION Indicator

Lights up when the

ampliﬁer overheats or

if a shorted load occurs

on the ampliﬁer output.

The ampliﬁer resets itself

when the problem is

corrected.

A/B Speaker Switch

Select the speakers you

want to use with the

ampliﬁer in Channel A,

Channel B, or both (for use

with 8 ohm speakers only).

MIC 1, MIC 2, and MIC 3

Adjust volume for the

connected microphones.

MIC 4/PHONO

Adjust volume of connected

microphone (MIC 4) or

turntable.

FEEDBACK FILTER

Turn to control audio

feedback.

Volume Control:

Left/Right speakers

Turn to regulate volume of

left and right speakers.

Output Power Level LED Indicators

Indicate the total stereo output

power level

PHONES Jack

Connect

headphones here.

RadioShack.com are trademarks

used by RadioShack Corporation.

32-2055

06A04

Printed in China

XLR Balanced

Microphone Inputs

Connect up to four high-

impedance microphones to

your ampliﬁer.

Cooling Fan

Automatically activated whenever

the ampliﬁer is turned on. This

forced air cooling system rapidly

exhausts interior heat to reduce

operating temperature.

¼” Unbalanced

Microphone Inputs

Connect up to four microphones

to your ampliﬁer, via a ¼”

unbalanced bable.

¼” Input Jacks

Connect input sources (CD

or DVD player, TV, etc.) here,

via a ¼ (balanced) audio

cable.

Fuse

Ground Wire

Connection

Phono Input

Jacks

Connect your

turntable here.

MIX BUS Jack

Connect an extra

ampliﬁer if you

have multiple

audio sources.

CD/AUX Jack

Connect any high-level

sound source for music

or special effects.

EQ IN/OUT Jacks

Connect an

equalizer or other

external processor.

EQ/BYPASS Selector

Select EQ if you are using

an equalizer or BYPASS

if you are using another

external processor.

STEREO/MONO Selector

Select bridged

mono input mode in

combination with a mono

signal source plugged

into the left channel.

Speaker Terminals

Connect two sets of

speakers (Left and

Right, for A and B).

Audio Input Jacks

Connect input sources (CD

or DVD player, TV, etc.) here,

via an unbalanced audio

cable. Match the colors on

your cable connections with

the colors on the jacks.

MIC 4/PHONO Switch

Select MIC 4 or

PHONO input.

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