Radio Shack 32-2055 User Manual

Other manuals for 32-2055: Quick Start Manual, Quick Start Manual, User Manual

Manual is about: 250-Watt Stereo PA Amplifier

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Please read this user’s guide before installing,

setting up and using your new product

www.radioshack.com

250W Power Amplifer

Quick Start Guide

User’s Guide

Thank you for purchasing your 250-Watt Power Ampliﬁ er

from RadioShack. This PA gives you the versatility and power

you need in a professional sound system. Its wide frequency

response easily handles ampliﬁ cation 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 ofﬁ ce for

paging systems. With a bridged speaker connection, the

ampliﬁ er can produce up to 350 watts of clean, powerful

sound with minimum distortion.

32-2055

250-watt stereo

power ampliﬁ er

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Summary of 32-2055

Page 1
Please read this user’s guide before installing, setting up and using your new product www.Radioshack.Com 250w power amplifer quick start guide user’s guide thank you for purchasing your 250-watt power ampliﬁ er from radioshack. This pa gives you the versatility and power you need in a professional ...
Page 2: Contents
2 the basics 3 the basics contents features 4 front view ................................................................. 4 rear view .................................................................. 6 important safety instructions (ul 6500) 8 setting up your new ampliﬁ er 12 ﬁ nd a home for your ...
Page 3: Features
4 the basics 5 the basics features front view 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 ampliﬁ er output is too high. Protection indicator lights up when t...
Page 4
6 the basics 7 the basics rear view xlr balanced microphone inputs connect up to four high- impedance microphones to your ampliﬁ er. Cooling fan automatically activated whenever the ampliﬁ er is turned on. This forced air cooling system rapidly exhausts interior heat to reduce operating temperature....
Page 5: Important Safety
8 the basics 9 the basics 9. Operate this appliance using only the power source indicated on its marking label. If you are not sure of your home's power type, consult your appliance dealer or local power company. 10. This appliance is equipped with a polarized power cord plug (a plug having one blad...
Page 6
10 the basics 11 the basics lightning storm, unplug it from the wall outlet. This will prevent damage to the product due to lightning and power line surges. 14. Only use attachments recommended by the product manufacturer. 15. The product should be mounted to a wall or ceiling only as recommended by...
Page 7: Setting Up Your New
12 the basics 13 the basics presetting the ampliﬁ er to prevent possible hearing loss, set the controls on the ampliﬁ er to the following: control setting power out mic 1, mic 2, mic 3, mic 4/phono, cd/aux volume control min left and right volume control min after you turn on the ampliﬁ er or change...
Page 8
14 the basics 15 the basics connecting an auxiliary sound source you can connect any high-level sound source, such as a cd player, tape deck, or tuner, to the cd/aux jack on the back of the ampliﬁ er. Connecting the mix bus jack you can connect another mpa-250 to double the size of your pa system. Y...
Page 9
16 the basics 17 the basics exceed the ampliﬁ er’s maximum impedance (16 ohms) or fall below the minimum impedance (4 ohms). You can achieve a proper total impedance by combining series and parallel connections. A total speaker impedance higher than 16 ohms or lower than 4 ohms can damage your ampli...
Page 10
18 the basics 19 the basics connecting two speakers in parallel speakers are connected in parallel when the speakers’ negative terminals are connected together and all their positive terminals are connected together. Determine the total speaker impedance of speakers you want to connect in parallel b...
Page 11
20 the basics 21 the basics connecting power to connect the ampliﬁ er to power, plug the attached power cord into a standard ac outlet. Your ampliﬁ er's fuse (located on the ampliﬁ er's back panel) protects the ampliﬁ er from voltage surges. If the ampliﬁ er does not work when you press power, check...
Page 12: Operating Your Ampliﬁ Er
22 the basics 23 beyond the basics monitoring sound sources to monitor the sound sources, plug a pair of mono or stereo headphones (not supplied) with a ¼-inch (6.35mm) plug into the phones jack on the front of the ampliﬁ er. Headphones sometimes make it easier to check and adjust the sound source's...
Page 13
24 beyond the basics 25 beyond the basics • let the ampliﬁ er cool down and see if it starts again before you presume a fuse needs to be replaced. • do not use a fuse with a rating other than that speciﬁ ed here. Doing so might damage your ampliﬁ er. 1. Unplug the ampliﬁ er from the ac outlet. 2. Tu...
Page 14: Faqs
26 beyond the basics 27 beyond the basics faqs we do not expect you to have any problem with your ampliﬁ er. But if you do, these suggestions might help. Why isn’t my ampliﬁ er powering up, even though i have tried turning it on and off? • the fuse might be blown. Check the ampliﬁ er’s fuse and repl...
Page 15
©2004. Radioshack corporation. All rights reserved. Radioshack and radioshack.Com are trademarks used by radioshack corporation. Printed in china 32-2055 07a04 this product is warranted by radioshack against manufacturing defects in material and workmanship under normal use for one (1) year from the...