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zak4000

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Posts posted by zak4000

  1. What WinRar?? Well here it is...
    (Its Winrar 3.50 Corporate Edition)
    If you have Windows XP then download the Winrar.zip
    If you have an older OS than XP download the Winrar.exe.png
    (It is NOT a image!!) Then delete the .png part
    ;)

    Winrar.zip

  2. I find that this soldering iron gives good solder joints http://www.rapidonline.com/productinfo.aspx?id=-1&tier1=Tools%2c+Fasteners+%26+Production+Equipment&tier2=Soldering+Equipment&tier3=Soldering+Irons&tier4=High+efficiency+25W+soldering+iron+%0dwith+fitted+mains+plug&moduleno=60704
    with this solder http://www.rapidonline.com/productinfo.aspx?id=-1&tier1=Tools%2c+Fasteners+%26+Production+Equipment&tier2=Soldering+Equipment&tier3=Solder+%26+Fluxes&tier4=Solder&moduleno=30236

  3. So the RMS and peak power across a 6ohm speaker would be:

    V= Total voltage (subtracting 10V for the transistors + resistors)
    R= RMS Watts
    M= RMS Voltage
    S= Speaker Impedance
    P= Peak power
    2.828= Twice the root of 2

    M= V/2.828
    R= M*M/S
    P= R*2

    RMS
    M= 70/2.828
    M= 24.75
    R= 24.75*24.75/6
    R= 102.1W RMS

    p-to-p
    P= 102.1*2
    P= 204.2W Peak to Peak

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