- RadioShack PA Amplifier User's Guide

ManualsBrandsRadio Shack ManualsAmplifier32-2054

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-Watt PA Ampliﬁer from

RadioShack. It gives you the versatility and power you need in

a professional sound system. Your ampliﬁer’s wide frequency

response easily handles ampliﬁcation of voice and music. Use it

in meeting halls and auditoriums, at sports events, in schools,

and in the ofﬁce for paging systems—anywhere you need to

deliver special announcements with excellent sound.

What’s Included

PA Ampliﬁer AC Power Cord

Fuse (Installed) DC Power Cord

User’s Guide

40-Watt

PA Ampliﬁer

Summary of content (11 pages)

PAGE 1
40-Watt 32-2054 PA Ampliﬁer Thank you for purchasing your 40-Watt PA Ampliﬁer from RadioShack. It gives you the versatility and power you need in a professional sound system. Your ampliﬁer’s wide frequency response easily handles ampliﬁcation of voice and music. Use it in meeting halls and auditoriums, at sports events, in schools, and in the ofﬁce for paging systems—anywhere you need to deliver special announcements with excellent sound.
PAGE 2
Quick Start Contents Contents Quick Start Quick Start .......................................................................................... 3 A Look at Your Ampliﬁer..................................................................... 6 Follow these steps to quickly set up your PA Ampliﬁer. For detailed operation instructions, see Pages 6-14. Front View........................................................................................................ 6 Rear View ..............................
PAGE 3
Quick Start Quick Start 4) Adjust the following controls to the desired volume and balance: MIC 1, MIC 2, PHONO/AUX, 100Hz, 1kHz, and 8 kHz. 5) When you get the desired balance, adjust MASTER VOLUME to the desired level. Retaining Catch Press down the retaining catch of the correct terminal and insert the wire end into the terminal’s hole. Then, release the retaining catch to secure the wire.
PAGE 4
A Look at Your Ampliﬁer A Look at Your Ampliﬁer Rear View A Look at Your Ampliﬁer L/R PHONO Jacks Connect a turntable. Front View POWER Turn the ampliﬁer on or off. PHONO/AUX Volume Control Adjust the volume of the turntable or auxiliary sound source. LEVEL Indicator (in dB) Monitors and controls the output power level. Power Indicator Lights when the ampliﬁer is turned on. PHONES Jack Connect headphones to hear mixed audio in privacy.
PAGE 5
Preparation Preparation Tips for Speaker Connection Preparation 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 source, such as a heat vent or radiator (which can cause overheating). Placing Speakers Speaker placement depends on your room’s size and arrangement. We recommend you play a wide-range recording and experiment with speaker placement until you ﬁnd the locations that result in best sound.
PAGE 6
Connections Connections Connecting Two Speakers in Series Connections Connecting Speaker Wires to the Ampliﬁer 1. Use a wire stripper (not supplied) to remove about half inch of the insulation from the end of the speaker wire. 2. Using a wire connector (not supplied), twist the exposed wire to secure all the wire strands. Remove the wire connector for step 3. 3. Press and hold the retaining catch of the correct terminal on the ampliﬁer and insert the wire into the terminal’s hole.
PAGE 7
Connections Connections Connecting Four Speakers in Series and Parallel Combination Connecting Speakers with Transformers 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. If you use all 8 speakers, the total impedance of a pair is 16. 2.
PAGE 8
Troubleshooting Connections Troubleshooting Transformer Input Side ide Output S Problem No power No sound 8, 2.5W Speaker A A A Transformer Input Side Transformer ide Output S Input Side ide Output S Feedback 8, 5W Speaker Solution Sound sources or speakers are not properly connected. Sound sources or speakers are not properly connected. Check all connections. A microphone or cable might be faulty or loose. Check all microphones and cables.
PAGE 9
Safety Speciﬁcations Speciﬁcations Important Safety Instructions Output Power (at THD 10%, 4 Load 1kHz)..................................................40W Total Harmonic Distortion (at 5 Watts, 4, 1kHz, with Band Pass Filter) MIC ......................................................................................................... 0.50% AUX ......................................................................................................... 0.10% PHONO .........................................
PAGE 10
Do Stuff Safety 17. An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal. 18. Do not overload wall outlets, extension cords, or integral convenience receptacles as this can result in a risk of ﬁre or electric shock.
PAGE 11
Limited Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers.