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Need schematic wiring diagram MPA-25 PA Amplifier Realistic 32-2033

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Posted on Jan 02, 2017

petraman7
  • 1175 Answers

SOURCE: Need manual for Radio Shack MPA 95 PA amplifier

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

Posted on Apr 17, 2010

dunnbiker
  • 8546 Answers

SOURCE: am looking for owner manual

http://support.radioshack.com/productinfo/ProductResults.asp?Name=PA_Amplifiers&ID=003009004

Posted on May 02, 2011

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1 Answer

Schematic diagram Realistic 40 watt amp, part # 32-2054.


This unit looks to be a AC/DC PA amplifier. Here's an owners manual if you don't have one. That and a parts list is about all I could find. Mike
http://support.radioshack.com/support_audio/doc73/73142.pdf

Oct 13, 2015 | Radio Communications

1 Answer

How do I hook up my realistic mpa 25 20watt pa amplifier


hook up speaker common wire to com,then hook up the speaker wire to whatever ohm the pa speaker is,regular ones are 8 ohm,stay away from 70 v,plug in a record player or aux in the rca jacks you can use 12 volts or 120 volts
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Jul 21, 2015 | Audio Players & Recorders

1 Answer

How do you convert the following: 6x10^3 MPa =......... Pa?


6x10^3 Mpa = 6 multiplied by 10 to the power of three, or 6x10x10x10 10x10x10 = 1000 therefore that = 6x1000 Mpa therefore that = 6000Mpa therefore that is now to be expressed as pa, so we must multiply by 1,000,000, to convert FROM Mpa to pa we multiply 6 by that so that equals, 6000,000,000 pa Pa = Pascals. 1 Mpa = 1,000,000pa.

Feb 16, 2010 | Calculated Industries Construction Master...

1 Answer

Looking for manual Realistic MPA-40 35W


I have a realistic mpa-40 35 -watt pa amplifier owner's manual
cat, no, 32-2032A
You can conyact me @ ltlerock@aol.com

Jan 03, 2010 | Audio Players & Recorders

2 Answers

Realistic MPA-35 amp by Radio Shack


It's not that this amp isn't like "newer amps" with + and - terminals, it's that this amp is made for public-address system use. This kind of amp is used in a store, for instance, to pump background music through speakers all over the place. The terminals you connect to are determined by total impedance of the speaker configuration used.

Most single speakers, or the two- or three-way cabinets for home stereo systems, are 8 ohms. If you're connecting a single speaker you use the "common" and "8 ohm" terminals on the rear panel. With multiple speakers, you need to figure out the total impedance and use the appropriate terminal. In series, impedances add. Two 8 ohm speakers in series would total 16 ohms, so you use the common and 16 ohm terminals. In parallel, the total impedance drops. Two 8 ohm speakers in parallel total only 4 ohms. You need to figure the total impedance of the speaker configuration and connect accordingly. Too great of a mismatch will damage the amp or speakers or both.

You might be able to find the manual for this amp on Radio Shack's website. Here's a link to the manual for the model MPA-40 which should have similar output terminals. The basic information about figuring out total impedance and general use of PA amps applies to your amp as well.

Jun 16, 2009 | Audio Players & Recorders

1 Answer

MPA-101 Amplifier powers on, receives source signal, the fuse is not blown inside, but no sound comes out of the amplifier. The amp is pretty new, doesn't even have dust inside the unit.


Hello, is this a Radio Shack PA amp or Jamo amp? The unit is probably in "Protect" mode. Is this a PA system or a receiver...receivers have a protection circuit that will not let the speaker relay activate if the amplifier output section is shorted and sending voltage towards the speakers...so they won't fry!!The speaker relay should activate within 3 to 5 seconds if your output section is ok.

barneyluc

Oct 13, 2008 | Audio Players & Recorders

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