Instruction/ maintenance manual of the product 32-2054 Radio Shack
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32-2054 Please read this user’ s guide before installing, setting up, and using your new amplifier . www .radioshack.com Thank you for purchasing your 40-W att P A Amplifier from RadioShack . It gives you the versatility and power you need in a professional sound system.
2 3 Contents Quick Start .......................................................................................... 3 A Look at Y our Amplifier ..................................................................... 6 Front View .......................
4 5 Step 5 Monitor the sound source Insert the ¼” (6.35 mm) plug of either mono or stereo headphones (not supplied) to the PHONES jack. Headphones help easily check and adjust the balance of the sound sources. 4) Adjust the following controls to the desir ed volume and balance: MIC 1, MIC 2, PHONO/AUX, 100Hz, 1kHz, and 8 kHz .
6 7 Rear V iew T er minals (COM, 4 , 8 , 16 , 70V) Connect speaker wires to the selected terminals. AC IN Connect to a standard AC outlet using the supplied AC power cord. DC 12V IN Jack Power the amplifier from a 5A, 12V vehicle battery source.
8 9 Prepar ation Placing the Amplifier Put your amplifier to a place with adequate ventilation. Do not put it on thick carpeting (which can restrict air flow) or near a heat sour ce, such as a heat vent or radiator (which can cause overheating). Placing Speakers Speaker placement depends on your room’ s size and arrangement.
10 11 Connections Connecting Speaker W ires to the Amplifier 1. Use a wire stripper (not supplied) to r emove about half inch of the insulation from the end of the speaker wir e. 2. Using a wire connector (not supplied), twist the exposed wir e to secure all the wire strands.
12 13 Connecting F our Speakers in Series and P ar allel Combination 1. Group the four speakers into two pairs (A and B, C and D). Connect each pair of speakers in series: A ’ s positive terminal to B’ s negative terminal, C’ s negative terminal to D’ s positive terminal.
14 15 8 , 2.5W Speaker 8 , 5W Speaker 16 , 1.25W Speaker Output Side Input Side Output Side Input Side Output Side Input Side A A A A Amplifier T ransformer T ransformer T ransfor mer T roubleshooting Problem Cause Solution No power Sound sources or speakers are not pr operly connected.
16 17 Specifications Output Power (at THD 10%, 4 Load 1kHz).................................................. 40W T otal Harmonic Distortion (at 5 Watts, 4 , 1kHz, with Band Pass Filter) MIC ...................................................
18 19 17. An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or wher e it can fall into such power lines or circuits.
©2008. RadioShack Corporation. All rights reserved. RadioShack and RadioShack.com are trademarks used by RadioShack Corporation. 09A08 32-2054 Printed in China Limited W ar r anty This product is war.
An important point after buying a device Radio Shack 32-2054 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Radio Shack 32-2054, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Radio Shack 32-2054.
However, one of the most important roles played by the user manual is to help in solving problems with Radio Shack 32-2054. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Radio Shack 32-2054 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
