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Eagle TPA45 public address amplifier AC240V 50Hz

Eagle TPA45 public address amplifier AC240V 50Hz both own site building internal 8 ohm and external 100V
speakers are giving a crackling noise I suspect the amp
is faulty.Any tips ?

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  • 96 Answers

Change your speaker driver

Posted on Jul 12, 2010

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How to hook speakers up to a realistic mpa-40


The MPA-40 is a mono public address amp. So it has one speaker output. You select the appropriate socket to suite the speaker type. The 4/8/16 Ohm outs are for various tpyes of Hi-Fi speaker. The 70 Volt is used for muzak in shopping centres, restaurants, and waiting rooms.


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If you have a pair of 8 ohm Hi-Fi speakers, you can diasy chain the connections and then use the Com and the 16 Ohm connection.

Daisy chain means you take the wires from a pair of speakers. Connect together the wires going to red on one speaker and black on the other. This now leaves you with two wires going to the other red and black terminals on the speakers, but the ends in your hand are not connected to anything yet. Plug the black in to COM. Plug the red in to 16 Ohm.

The sound from the speakers won't be stereo. It will be mono because that's all the amp outputs. But both speakers will work so long as they're functioning units.

If you have two 4 Ohm home theater speakers then you can do the same trick. 4 + 4 makes an 8 Ohm load. Connect the red to the 8 Ohm output.

Don't be tempted to try to connect to multiple terminals. The amp isn't powerful enough to to run more that one speaker chain.

Hope this helps

Sep 15, 2014 | Audio Players & Recorders

1 Answer

I have a Makita BMR100 radio. Stock speakers are 3.25" 8 ohm with an 8 watt 8 ohm amplifier. I replaced speakers with better 4" 4 ohm but they're not really compatible with an 8 ohm amp. I...


Buy an 8 ohm speaker and wire it in series-parallel look up images of of combination series-parallel wiring this allows wiring all speakers and keeping the 8 ohm loaf on the amplifier. Should get more linear volume between speakers. Not sure if replacement is worth it, those speakers are pretty good and work well with rain and jobsite conditions. I am planning to install some 8 ohm half inch tweeters on my Makita radio and using the series parallel wiring. Plead note series-parallel wiring is not series wiring or parallel wiring. It is s totally different way of wiring it that uses both names.

Jun 02, 2011 | Makita BMR100 Radio

2 Answers

Where can ip address for my acer one aspire netbook


  • Go to the Start menu, go to Run, and type "CMD" in the dialog box (without the quotes.)

  • jQuery(document).ready(function(){ jQuery('#jsArticleStep2 span.image a:first').attr('href','http://i.ehow.com/images/a01/vq/ee/computer-ip-address-windows-1.2-800X800.jpg'); });

    Now you should see a dark (DOS) window that looks just like the picture on the left of this article step.

    Without the quotes, type "IPCONFIG" and press ENTER.

    Now you should see some network information, along with the IP ADDRESS of your computer listed.




    Read more: How to Find Your Computer IP Address (Windows) ' eHow.com http://www.ehow.com/how_2091470_computer-ip-address-windows.html#ixzz19FT6QSK3

    Click on this link or copy and paste the complete link into your browser.

    If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy Holidays!

    Thanks, Joe

    Dec 26, 2010 | Acer Aspire One PC Notebook

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    Please give address of service center in thane ( Maharastra ) for Repairing of DVD WRITER of my computer


    R. J. Enterprises
    Engaged in exporting and supplying of DVD writer, domestic DVD writer, commercial DVD writers, external DVD writers, domestic external DVD writers, internal DVD writers and domestic internal DVD writers.Address: 8, Lohana Mahajan Building, T. M. Road, Kharkar Alli, Thane, Maharashtra - 400 601, India
    Phone: +(91)-(22)-25379150/25379558
    Mobile / Cell Phone: +(91)-9820692328
    Website: http://www.indiamart.com/rj-enterprises/dvd-writer-and-hard-disks.html

    Jun 21, 2010 | LG Computers & Internet

    1 Answer

    How many watts dose a concept cc-752L amp have ?


    4 Ohm Stereo Power (RMS): 75W X 2
    4 Ohm Bridged Power (RMS): 250W X 1
    2 Ohm Stereo Power (RMS): 125W X 2
    Signal-to-noise ratio: 100 dB
    Frequency Response: 5 Hz - 50 KHz
    Total Harmonic Distortion: 0.05%
    Input Sensitivity: 200mV-4V
    Continuously variable 0 - 18dB Bass Boost
    Built-in continuously variable 18dB per octave crossover, from 50Hz to 250Hz

    Sep 26, 2009 | Concept (CC752L) Car Audio Amplifier

    1 Answer

    What are the correct spaekers for the gm 5100t ?


      CEA-2006 Compliant Amplifier Power Standard:
    • 125 Watts x 2 @ 4 ohms <= 1% THD+N
    • 380 Watts x 1 @ 4 ohms BRIDGE <=1% THD+N
    • 75 dBA Signal-to-Noise Ratio
    • Peak Music Power: 250W x 2 (4 ohm) / 760W x 1 (Bridge)
    • 2 Channels
    • Continuous Power @ 4 Ohm: 125W x 2
    • Continuous Power @ 2 Ohm: 190W x 2
    • Continuous Power Bridged @ 4 Ohm: 380W x 1
    • Frequency Response: 10Hz-50kHz
    • THD (1kHz, 4 Ohm): <0.015%
    • Signal to Noise Ratio: >95dB
    • Dimensions: 11 13/16” x 2 3/8” x 12 7/8”
    • PWM Regulated MOSFET Power Supply
    • Balanced Isolator Input Circuit
    • Oversized Screw-Type Power/Ground Terminals
    • 2 Channel RCA Inputs
    • Speaker Level Input
    • Screw-Type Speaker Terminals
    • Hi-Volt Input Level Control (200mV-6.5V)
    • Bass Boost (50Hz, 0/6/12dB)
    • Selectable LPF (80Hz, -12dB/Oct.)
    • Pioneer 1-Year Warranty
    I'm assuming the subwoofers were bridged and couldn't handle the power. Make sure you have atleast 300 watts peak power wattage.

    Feb 05, 2009 | Pioneer GM-5100T Car Audio Amplifier

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    Chicken head knobs


    Yep!
    I get alot of amp building supplies at Hoffman Amplifiers.
    Follow this link and click on the TUBE AMP PARTS button:
    http://www.hoffmanamps.com/

    Hope this helps!
    -mike

    Dec 30, 2008 | Peavey AMPLIFIER, 1000 WPC, DDT, 8/4/2...

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    Wiring for running 4 speakers from amplifier


    I asked about wiring up 4 speakers from oe amplifier....not about Tom Tom?

    It does not inspire me with confidence in your abilities if you get confused between customers and their questions, so I will look elsewhere for answers.
    Thanks anyway

    Jul 03, 2008 | Tomtom GO 700 GPS NAVIGATION BRAND ONLY...

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