Home Made Guitar Amps

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Comment by Blind Lemon Cello on April 26, 2013 at 5:58pm

My first experience with an LM386 is very positive. I bought an assembled module on ebay for 3$ & it can drive my Buskin' Blaster amp (see topic above for pics) with 2 8" speakers quite nicely, add a pedal & it screams!! Not the same as building your own, but for this price it was worth the shot.  Ebay link.....

http://www.ebay.com/itm/LM386-Audio-Amplifier-Module-200-Times-5V-1...

Comment by Loco on April 2, 2013 at 9:04am

Reply to Scott aka Farmer Ted...
Thanks, i didn't even think about that. I have an adapter! I will do just that once I build my first cbg amp

Comment by Scott aka Farmer Ted on April 2, 2013 at 7:57am

To Loco...You don't need to install a 3.5mm for the iPod...all you need is a 3.5mm to 1/4" adapter and the 3.5mm patch cord for the iPod. I use one for my cbg amps so I can use it to play music on a cbg amp while working in my shop.

Comment by Cigarbox Triplestrings on April 2, 2013 at 4:23am

I'm pretty happy with the MAH5 circuit board from Guitar Fuel http://www.guitarfuel.com/ now that I have discovered the problem I was having. Problem was that the battery terminals are not particularly robust, and once I had them connecting to the 9V battery securely....no more problem. These circuit boards really pack a punch, and support 240 V through a transformer, MP3 connectivity plus headphone socket as well as all their other goodies. Highly recommend them.

Comment by Loco on April 2, 2013 at 12:00am

Hi everyone, not sure if this has been covered before...

I want to build a CBG amp for my CBG and my smart phone. I want to have a 1/4" jack and a standard 3.5mm stereo jack found on iPods and smartphones. I'm not much of an electrician so I went to cbgitty to see his pre-wired kits. He doesn't carry what I'm looking for.but before I ask him to build one for me custom (assuming he can do that) I want to know if possible and how too. I'm a complete DIY guy as most other CBG builders. I have build several CBG and now want an electric to play slide and practice the blues.

If anyone can help, please? Plans? Ideas? Websites?manything to point me in the right direction,

Comment by Scott aka Farmer Ted on March 23, 2013 at 7:12am

better to use an 8 ohm speaker or two 4 ohms wired to create an 8 ohm load

Comment by Cigarbox Triplestrings on March 22, 2013 at 11:28pm

Without trying to search through the whole group.....

Has anyone built a cigar box amp using the MAH5 circuit board?

 

I've just finished my second build using the MAH5 board, and I find that from the "Blues" setting through to the "Heavy metal" setting, I get quite bad interference/hum etc if I turn the volume up above 3rd.

Is this normal or not?

I bought my speakers (4" 8ohm 5watt) seperately, and just wondring if they might be the problem.

Cheers

 

 

Comment by Paul Valentine on March 18, 2013 at 11:08am

Thanks,  I have added it to my little collection of schematics.

Comment by BrianQ. on March 18, 2013 at 12:41am

Here it is here:

http://www.cigarboxnation.com/group/cbgwiringelectronics/forum/topi...

Comment by Paul Valentine on March 17, 2013 at 7:54pm

Thanks for the comment.

It was fun to build this from parts that I had laying around.  I just had to buy the pots and the jacks.  I have a schematic here for a simple distortion circuit with a 2N3904 transistor.  I know I have those here as well as the 1N4148 diodes you mentioned.  So I may try that one too.  

I did not see your JFET preamp circuit here.  If it is not too complicated I could give it a go.  It has been quite a while since I have melted this much solder.

Have fun.

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