Question about Radio Shack 250 Watt PA Amplifier Amplifier

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Radioshack 250 watt pa amp stopped making sound

My radioshack 250 watt pa amp stopped making sound during singing tonight and it still turns on and the fan works still. im not certain if the fuse is burn4ed out but i jsut purcahsed it a couple months back and i didnt get a warranty

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For the past month i have been shopping for the perfect home theater system and have narrowed it down to a bose system,a sony system and a paramax p510...i have listened to all 3 systems and have found the paramax to be the better system not a cheaper system but seem more bang for my buck at 3200$,a very powerful tube amp and downfiring sub maxes out at 2000 watts...

Posted on Nov 14, 2009

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1 Answer

PA Amplifier blows fuses


The fuse is blowing due to an overload. It's often and very likely caused by a transistor or ic that has gone short. The main culprits are the power transistors of the amp or whatever is on the big heat sink. Transistors will show the fault when you connect an ohmmeter to the terminals. It will be just like you have touched the test prods together! I don't think in your case it will be in the power supply. It's often caused by speaker cables that touch together.

Mar 18, 2014 | Radio Shack Audio Players & Recorders

1 Answer

I need to reset a power amplifier. i have a 250 watt power amplifier from radio shack. i thtink that one of the wires touched or someething either that or the power was on for too long. but now the p


One important note to be aware of Polarity. DC connections are Positive + and Negative -. RED/Black and/or White wires. Yellow is usually Video. Do not Reverse the polarity as this can cause mismatches and/or short circuits. Disconnect your attached wires and re-attach them correctly and firmly. Wires must be set into or onto the posts or connection points correctly by + or - and they may not touch one another. Check the Reset or Fuse on the amp and make certain you have full power.
If you fail to polarize correctly, you could damage the speakers moreso than the Amp.

Jan 07, 2014 | Radio Shack 250 Watt PA Amplifier...

1 Answer

Peavey sp2 pa speakers quit working


Ok,

First of all i need some more information, such the power amp you've hooked to them rating in watts and please specify if you are not getting sound from tweeter or 15" BW speaker or both of them, this way i can improve accuracy helping you out.

Feb 03, 2013 | Peavey SP2 PA Passive Speaker

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Put new pa speakers in church 2 1000 watt tied 2gether and 2 300 watt. tied 2gether. the pa amp only has 250 watts with 6 mics connected and a cd player which plays fine. every time the mics are used if...


hi,
You have to check the ohms of the speakers all spekers should be 8 Ohms or above. if not it will overload the amplifier at high level. The minium ohms impedence of the amplifier is 4 ohms. If you connect two 8 ohms speakers together then the effective ohms will be 4 OHMS then the amp will handle the speakers. If you connect two 4 ohms spekers together then the effective ohms will be 2 Ohms, this will overload the amplifier. You will be able to connect two 8 ohms speaker to left channel or right channel of the amplifier. Check the speaker spesifiction to know its ohms. Make sure all the speakers have an impedence of 8 OHMS or above
OK

Aug 19, 2011 | Radio Shack 250 Watt PA Amplifier...

1 Answer

I have two JBL speakers each 100W and 400W(peak) connected to sony receiver 7 ch each suppoert 110W connect to Karoak with 2 microphones but to sing souunded not good. thinking to get this 250 W PA amp or...


You haven't sufficiently defined what is wrong. "Not good" is subjective. Before you shell out for different hardware you should pinpoint the problem.

The source (you, mics) and the speakers are the most obvious sources of sound quality issues. Properly functioning amplifiers operated within their limits produce effectively undetectable differences in the sound.

Feedback from the speakers to the mics will sound awful.

Jul 07, 2011 | Radio Shack 250 Watt PA Amplifier...

1 Answer

How i can install external page port of a pabx Norstar with output of 600ohms to the input Radio shack 250 Watts PA.


Connect Nortel PABX external page port output to the amp input.


Either by phone plug or RCA connector, any of the two will work.

Apr 19, 2011 | Radio Shack 250 Watt PA Amplifier...

1 Answer

Can a radio shack 250 Watt PA Amplifier work on musical instruments like a guitar and keyboard?


Yes. It won't be great, but if you're starting out you should be ok. Musiciansfriend.com has some of the more popular pa options - generally radioshack=bad.

Dec 28, 2010 | Radio Shack 250 Watt PA Amplifier...

1 Answer

Power amp for pa system stopped working


Sounds like you have a power supply problem in the amp. I am assuming the fuse you are replacing is intergraterd into the AC connection. You need to dig deeper. If you are not an electronics person you will need a tech.

Jul 02, 2010 | Phonic Power Pack 620 PA Package B-Stock...

1 Answer

I dont know how to installe my mic


http://support.radioshack.com/support_audio/2842.htm

Try this link

Apr 04, 2010 | Radio Shack 250 Watt PA Amplifier...

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