Ruby Amp
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Smokin' amp (literally)
I bought this amp for $40 at a thrift shop. It sounded great till last night. I smelled something burning, and saw smoke coming out of it. I haven't looked closely but I figure it's a goner, but I'd like to at least salvage the cabinet and speaker. W
Read more…Simple Headphone/Practice Amp
Uses 9volt & 12volt versions of the LM386 chip, 12volt version gives more clarity & headroom, but 9volt version doesn’t like 12volts so beware.....Battery switching is used, so remember to remove jacks when not in use? Possible mods= 1) Removing C3 &
Read more…Problem with second-hand amp.
Hi All,
I have a query about an amplifier I have just acquired, a second hand Roland Cube X20 . It’s in really good condition and all it’s features work fine but when I plug in the jack, before it’s connected to the guitar, I get a distinct hum.
Read more…Artec Amp Help!
I'm building a mini half stack using a C.B Gitty amp kit. Now what I am wondering is can I wire the speaker leads to a jack in the head and then wire the speaker to a jack in the cabinet? Will that work or is there another way to go about it?
Read more…History Mystery--Orrtronic Tube Amplifier project
I found this interesting amplifier on Ebay. Not one bit of information was found online about the unit. Hmm...
After further searching, I discovered that the founder of the Orrtronic Company was J. Orr, of Opelika, Alabama. Mr. Orr was instrumental
Read more…LM386 N-4
I'm in the middle of building an amp using a basic LM386 with a 10uF cap on pins 1 and 8 to increase the volume. It's OK, in fact good, but I want that little bit more, so I got the LM386 n-4 IC which says it'll give me 1 watt. It doesn't give me any
Read more…Amp Speakers
I'm installing a Honeytone amp into an old speaker box and want to increase speaker size to a 6 or 8 inch. Any suggestion on how to achieve best sound? What would be a good speaker for this setup and where is the best place to purchase? Thanks for yo
Read more…Dual IM386 Chip amp
I built a nasty little dual chip-dual stage op amp based on the Ruby amp that turned out very good.
Here's a schematic if anyone is interested in building their own.
Grounding for Cigar Box Amps: Chassis Ground?
When making an battery-powered amplifier out of a wooden box, is it necessary to include a ground other than that coming out of the negative side of the battery?
Do some of you fix a piece of metal in the box and also ground to that? Does it need to b
Neat amp components
I built a pedalboard for a buddy from one of these... http://www.parts-express.com/build-your-own-guitar-combo-amp-components-only--249-400 I bought a second one to build myself an amp. I'll post the build when I get around to starting on it. Just th
Read more…HI - New guy & And speaker question
Hello - Have just ordered my first CBG kit and am really pumped to build it. Have been doodling on blues on guitars and am looking at the 3 string as another way to play some blues. Back in my salad days I was a designer of high speed logic boards (m
Read more…can a dab radio be turned into an amp
I have a dab radio that is begging to be an amp can it be converted
Read more…Are Pre-fabbed LM386 Moduals Worth Trying?
I am a novice at electronics but would love to try and make some amps without having to solder every component. Several posts on CBN reference prefabricated Chinese made LM386 modules which are very inexpensive, but it is very difficult sorting out t
Read more…SDA-T Questions
I've been attempting to build a ruby amp, but has passes the point of being worth it, so I was thinking about getting and Artec SDA-T amp board from CB gitty to use instead. I was wondering what you guys though about it, and if there's any way to ta
Read more…Powered sub to amp ??
I picked a powered home theater subwoofer out of a neighbor's trash. Any thoughts on converting it to an amp? I haven't figured out how to get it apart yet (without breaking it) but it has an 8ohm 50W speaker.
Amp and speaker INSIDE the guitar?
Wondering if anyone else here has tried this. I had a customer commission a build by handing me a small 9V Danelectro Honeytone amplifier and tell me "Make a cigar box guitar with this inside."
Here's a video of the result:
Read more…New Member to the group
Hello Everyone !
I'm new to the Cigar box nation, been here for a few weeks. David L. has been wonderful and kind enough helping me thru my first project builds and so forth.
I'm concerned about the LM386Audio Amplifier Module 200 Times 5V-12V Input
Read more…amp wiring help
So I bought a little 'amp" circuit on ebay based off of some comment I saw here on the nation metioning them. It was only 3 bucks, so I figured what the heck. anyway, it showed up, but no wiring diagram, and I don't want' to fry it. It has some ma
Read more…trying to hack an old valve radio, into a guitar amp,
just bought this,EVEREADY SKY QUEEN valve/tube radio, going to try and turn it into a guitar amp, never worked with valve's before so there'll be lot's of question's, started unsoldering everything at the moment,
