Hi all,
I am new here but have built quite a few amps. I am wondering if anyone here has good experience with higher wattage mini amps (5-10 amps). I have a couple that I have built with good results based on an lm386 preamp design with a 12 volt power amp following. Any experience with different speaker ohm ratings and combinations would be of interest. I am currently using a relativly simple tone control on all my higher wattage amps, if anyone has designs for more elaborate tone controls I would be interested.
My last build runs off of a 9vlt and a 12vlt pack of "AA" bats (6 ohm speakers in series providing a 12ohm load) and competes pretty well with a fender frontman 15g if that provides any sort of baseline for what I am working on.
Me
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Hi Dqave,
Thanks for the info but I am not really looking for plug and play setups. I have looked at these and have considered purchasing one just to look at the circuitry but I am really looking for a custom circuit that I can modify etc. Those look to me like they most likely use a tea chip or something along that line. Do you happen to have the part number off of the IC on that board, I would be curious to know what they are using. The tea chips are pretty common in small amps for computer speakers etc so I am going a bit on assumption with that. I have built a few using the tea chips off of powered computer speakers with decent results but I would like a little more control over tone as they tend to come out a bit bassy and I have to compensate with tone controls and cabinet design to bring up the mid range.
Josh
The SD-MAH3 harness is just what I need. I'm building my first CBG and I want a very portable amp to go with it. 5 watts is probably better than 2.5. I got an 8 inch guitar speaker and a Danelectro echo thingy to add some depth.
Problem is I can't find any contact info for Guitar Fuel or the GAS guy who runs the place. Just an email addy. That's not fast enough for me. I want to get this stuff rounded up pronto and build it.
I know I'm not any help for the original poster, but I know nothing about circuit design. Sorry.
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