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Old 20th December 2012, 06:44 PM   #21
Mooly is online now Mooly  United Kingdom
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100pf could be disc ceramic types or polyester tubular types or polyester "blocks".

Correct use and understanding of how to use these small capacitors is essential in any amplifier design.
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Old 20th December 2012, 07:15 PM   #22
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oh....
I tried using it and now my amplifier sounds almost perfectly clear there's almost no static at all unless i put my ear right up to the speaker!
and the sound quality is right on perfect!
and the bass is huge too!
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Old 21st December 2012, 06:17 AM   #23
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There you go then
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Old 21st December 2012, 11:17 AM   #24
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Spend $3 and buy a better part.
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Old 22nd December 2012, 04:20 AM   #25
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I saw a GREAT amplifier at radio shack!
I'm thinking of buying it.
But I hate soldering... it's my worst nightmare...
I've always been used to just wrapping wires together...
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Old 22nd December 2012, 05:01 AM   #26
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You should get one of these if you hate soldering,

RadioShack® Electronic Sensors Lab - RadioShack.com

Electronics Learning Lab - RadioShack.com

I am sure that they may have the very same circuit and parts of the amplifier that you are wanting to build part of one of the lessons.
I know the one I had did when I first started learning electronics.
But that was before ProtoBoards even existed !! He,he,he,he
I do every thing on a ProtoBoards before I make a finished soldered up version.

You can just get the protoboards too but having a book and all of the extra stuff will save you loads of time and headaches!!!

RadioShack Solderless Breadboard w/ 70 Jumper Wires : Breadboards | RadioShack.com

RadioShack 6 Modular IC Breadboard Socket : Breadboard Sockets | RadioShack.com

Modular IC Breadboard Socket : Breadboard Sockets | RadioShack.com

But ultimately you will need to learn how to solder eventually as that just take lots of practice.

I designed my whole HV power supply on ProtoBoards and then I made PCB's and mounted it in a box.

Acoustat panel angles? 8" vs 9" panels?

and here it is all done,

how can test the stator insulation and mylar coating?


Jer

Last edited by geraldfryjr; 22nd December 2012 at 05:30 AM.
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Old 22nd December 2012, 09:49 PM   #27
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jeeze that's a crapload of money! I only have 4 dollars to spend on buying stuff... and i can only afford little bits and pieces from the shelf.. but i'll take a look at it
And i'm really looking to get some solar panals! I want a solar panel to run some of my little things like a small audio amplifier since the lighting in my house is always bright from the overhead lights

Last edited by realflow100; 22nd December 2012 at 09:53 PM.
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Old 23rd December 2012, 12:39 AM   #28
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Ya, Protoboard's aren't exactly cheap but they are affordable and they are re-usable.

Of the two that you see in my pictures, one of them is about 30 years old and I had bought the newer one a couple of years ago when it was on sale.
I had a third one but I can't find it and thus the reason that I had to buy another one.

Solar power is fun to work with.
However it is still quite costly for just a small setup.
The cost for a large panel is about $.90 per watt for a 250watt panel.
The smaller hobbyist panels are still around $2 to $3 or more per watt.
The bigger they are the cheaper they are per watt.

jer
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Old 24th December 2012, 02:45 AM   #29
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oh all i would need is maybe a 5 watt solar panel lol
nothing big at all
probably even just a 2 watt solar panel would do!
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Old 24th December 2012, 04:51 AM   #30
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Send me your postal address through the forum e-mail and Santa might deliver a 2W class D amplifier in the near future (runs on 5V). Class D will make the most of your solar (or battery) power.
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