Instructables
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cmoy feedback "synth"
This isn't a question, just an interesting discovery that I didn't think warranted an entire instructable Decided to convert my old cmoy amp int…
posted by ejay1 on Jan 17, 2014
views: 38comments: 1
Free iPod Amps & Parts (non-CMoy)
A quick intro to those who are still working (like me) with tangent or CMoy amps and have SMD or Pins on small parts to solder... I have Young-Onse…
posted by erckgillis on Jul 7, 2006
4.51 (14 ratings) views: 25,927comments: 40
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My first Cmoy headphone amp!
This is my first Cmoy headphone amp. It works great and I am going to replace the potentiometer. I built it using William's guide (Link) and it awe…
posted by dog digger on May 18, 2011
views: 6,971comments: 7
more powerful, portable amp
I was messing around with some op-amps, building variations of the CMoy amp, etc. But I became depressed quickly -- these ICs' data sheets say that…
posted by samurai1200 on Oct 5, 2007
views: 236comments: 1
Crystal cMoy Free Form Headphone Amplifier
This headphone amplifier circuit is different to conventional modern construction techniques in that it is air Wired,P2P (peer to peer) or free f…
posted by koogar on May 15, 2012
5.00 (51 ratings) views: 264,690comments: 181
iAmp - CMoy Amp in iPod Package
Here is how to put a CMoy headphone amplifier inside an iPod Nano package.Credit for this build goes to the following:http://www.instructables.com/…
posted by garagemonkeysan on Apr 21, 2009
4.70 (8 ratings) views: 23,972comments: 16
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my first C-Moy head phone amp
posted by cmangio on Jul 26, 2011
4.00 (1 ratings) views: 4,964comments: 9
Make a Sweet Portable Guitar Amp
Inspired, by gum! The inspiration for this project was actually two-fold. First, I needed to make a simple, portable guitar amp that would wor…
posted by mdgrover on Sep 13, 2010
4.68 (8 ratings) views: 138,858comments: 141
Mason Jar Portable Speaker & Guitar Amp
Let's face it: the speakers on your phone & laptop aren't loud enough. So grab a Mason Jar Speaker KIT from Trash Amps (www.trashamps.com) & build …
posted by TrashAmps on Jan 5, 2015
views: 1,272comments: 1
Portable Guitar Amp Hiss
Hi all, I have built this design with a few modifications to accommodate for the parts that I already have. I used a stereo 1/4 inch stereo jack, …
posted by geniass on Feb 15, 2011
views: 30
Portable Guitar Amp Stand
In this instructable, I'm going to show you how to build a nice little kickback amp stand for your guitar/bass or keyboard amp that will cost you l…
posted by Audio Solutions on Nov 28, 2014
views: 1,478comments: 2
Portable Amp using MC33171?
Sir, I am really sorry to ask this but i don't know much about electronics but i want to make portable amp for speakers using MC33171 but I don't k…
posted by harryjone on Nov 3, 2011
views: 131answers: 5
Headphone Amp (Chu Moy)
I Wanted to make one of these for a while now, not because my mp3 player lacked the power to drive my ashamedly poor headphone or that my headphone…
posted by Cew27 on Mar 7, 2009
4.65 (28 ratings) views: 113,101comments: 108
How to make a pocket headphone amp!
In this instructable, I will be showing you how to make a  headphone amp. If you have some big headphones such as Sennheiser, beats by dre or some …
posted by dog digger on Sep 22, 2011
4.25 (2 ratings) views: 73,181comments: 20
Portable Speaker
This is one of two portable speaker systems i wanted to build.  I used the LM386 circuit from my previous instructable and incorporated it into thi…
posted by krmartin3 on Aug 28, 2010
4.32 (6 ratings) views: 92,351comments: 95
Adjustable & Portable Bicycle Stand
With all PVC extension pieces inserted the bike chain can be some 40" above ground, at this height a lateral support is needed. Tie the vertical pi…
posted by tony33770 on Mar 12, 2009
4.39 (6 ratings) views: 56,044comments: 24
How to make portable speakers
Ok only thing you will need is :old pc speakers , soldering iron , screwdriver , 9v battery   Open your speakers Open your speaker and cut the…
posted by tutdude98 on Oct 7, 2011
views: 15,002comments: 6
Portable Guitar Amplifier
Electric guitars are fun instruments to play and without an amplifier is hard for anyone to hear the sounds coming out of the guitar. Electric guit…
posted by mhuerta2 on Nov 18, 2013
views: 4,881
Portable Amplifier
So you're trudging through the woods, just you, your guitar, and your amplifier. Suddenly, a large bear approaches and you have no option but to sh…
posted by uzerzero on May 4, 2007
3.91 (4 ratings) views: 33,122comments: 51
Vintage Radio Guitar Amp
Modify an old, vintage radio and turn it into a mini guitar ampSome time ago I found a beautiful old radio at a junk shop. I got it home with thou…
posted by lonesoulsurfer on Jun 13, 2014
views: 23,166comments: 21
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Guitar Amp Demo
Quick demo of the portable guitar amp, featuring an acoustic guitar.
posted by mdgrover on Sep 5, 2010
3.96 (2 ratings) views: 3,993comments: 2
Portable Guitar Amp with distortion / Bass Amplifier - 9v / LM386 IC
 This is a really simple portable guitar amp project you can complete in an afternoon ; with the parts you need at hand.  I used an old surround so…
posted by capth00k on Nov 28, 2009
4.00 (1 ratings) views: 78,856comments: 66
What would be a good portable amp chip?
I'm making a simple portable amp, and i'm searching for a good chip. I've already tried LM386 didn't like the sound and power output. TA7368P good …
posted by T0C on Feb 14, 2011
views: 2,633answers: 10
Nintendo Candy Tin Portable Guitar Amp!
In this instructable I'll show you how to make a small portable guitar amp out of a nintendo candies tin and some electronics. what you will need…
posted by sonicase on Apr 11, 2012
4.25 (2 ratings) views: 17,396comments: 9
Mason Jar Portable Speaker & Guitar Amp
Let's face it: the speakers on your phone & laptop aren't loud enough. So grab a Mason Jar Speaker KIT from Trash Amps (www.trashamps.com) & build …
posted by TrashAmpsLLC on Jan 5, 2015
views: 5,211comments: 9
Portable Altoids Speaker System
Once I saw the dead computer contest, I finally thought of a use for all these little speakers I had been collecting out of dead computers at work.…
posted by irishlyrucked on Mar 1, 2010
views: 9,531comments: 11
Low budget stereo amp from an ipod dock, reuse, recycle!
There's been a renewed interest in stereo systems. Things like turntables and tape players have caught people's fancy once again. Tangible media ha…
posted by ke4mcl on Feb 11, 2015
views: 11,089comments: 5
Portable Solar Power Supply
Hello there. You've probably found this Instructable to gather ideas about making a portable solar power supply yourself. I've always been intere…
posted by Lewis02 on May 10, 2011
4.66 (10 ratings) views: 64,987comments: 17
Portable light table
Have you ever wanted to trace something, but no tracing paper to be found? Need to be able to take your tools with you? There have been many times …
posted by silvertinkerer on Feb 8, 2015
views: 30,798comments: 66
DIY Portable Mini Monitor
In this project I will show you how I used a 1280x800 LCD Kit to build a battery powered portable mini monitor which is useful for your DSLR camera…
posted by GreatScottLab on Jul 5, 2015
views: 8,958comments: 8
What amp to use???
I recently made an amplifier based on a TDA2004 chip i salvaged from a car radio but i wanted to get more power and so i planned on making a 20w or…
posted by beehard44 on Oct 30, 2011
views: 54comments: 3
The LM380N audio amp
I was a little intimidated by this IC the first time I looked at the datasheet because of all the ground connections. I thought it was a little sil…
posted by dbyrd26 on Jan 5, 2014
views: 2,821comments: 5
Portable 5.1?
Hey guys, I've got a set of 5.1 speakers from an old non functional home theater system that I'd like to make into something portable, maybe even a…
posted by AAdaman on May 22, 2008
views: 61comments: 2
Portable speakers / Speakers on battery
Hi guys.This is my first instructable. Enjoy!So today I am gong to show you how to make from old pc speakers to speakers on battery.It's pretty bas…
posted by st0rm on Jun 3, 2009
4.49 (6 ratings) views: 43,218comments: 50
Portable Speaker System
Made from otherwise unused computer speakers, this simple battery powered setup can be employed in numerous situations where power is unavailable b…
posted by JamesRPatrick on Mar 4, 2010
3.94 (2 ratings) views: 12,746comments: 18
Suggestions for amp?
Hello all, As my question shows, I am looking for suggestions of amps I should use to drIve my speakers. There are 2 speakers RMS rated at 3.7W and…
posted by michalk1 on Dec 29, 2014
views: 76answers: 5
portable concert set-up
OK this was a tough one. but being the smart, awesome, genius that I am ;) I managed to figure it out. OK really its not that hard depending on wha…
posted by RastaMonkey on Jul 13, 2009
3.73 (1 ratings) views: 2,032comments: 2
Portable speaker boombox wiring help?
Hi guys, I'm currently in the planning/semi-begun-building stage of my first DIY electronics project, which is in the form of a portable boombox b…
posted by chemacky on Aug 29, 2014
views: 42
iPod charging tins and packs for beginners...
Inspired by many iPod USB batteries I've seen online and after seeing the small Sijosae Amps inside a 9V battery I designed and built this First Ge…
posted by erckgillis on Jul 5, 2006
3.95 (4 ratings) views: 59,731comments: 37
Portable/ usb Speaker
Hello instructables !In this simple video i'm goint to show you how to make portable smartphone speaker.
posted by KevinsL1 on Aug 26, 2014
views: 405comments: 1
Portable Sound System
From a few items I picked up at the Goodwill Store, I built a pair of loud, excellent quality computer speakers. This instructable will show you ho…
posted by zvillesurfer on Mar 16, 2010
4.21 (2 ratings) views: 6,454comments: 6
A Portable Power Box for Photographers
Many photographers have built Vagabond style portable power systems to use with their strobes. This is an attempt to incorporate several design ide…
posted by Divet on Jul 27, 2008
4.61 (7 ratings) views: 57,042comments: 60
The making of a powerful low cost coilgun which is portable
In this intructable i will show you how i made my coilgun, I will first thank, steaveastrouk, re-design, lemonie, orksecurity and others who helped…
posted by ARJOON on Apr 29, 2011
4.23 (2 ratings) views: 39,063comments: 41
Portable Tennis Ball Speaker for Mp3 / Ipod With Amp
In this Instructable you will learn how to make a pair of tennis ball speakers.These are very easy to make, it took me 15 minutes on my first ones.…
posted by mattyuke on Jun 20, 2009
4.38 (3 ratings) views: 17,789comments: 17
How to make a Cheap & Portable Air Conditioner / AC unit
(Sorry about the widescreen issue, trying to fix it now)I created this while playing badminton with my dad outside. It just came to me so here is …
posted by Undergroundoga on May 25, 2009
2.95 (9 ratings) views: 34,848comments: 11
DIY Portable Boombox (from SCRATCH!)
Time to party! Let's rock the house! Today I will show you how to make a boombox that sounds like a genuine audiophile speaker. It's made from 100%…
posted by ASCAS on Apr 4, 2012
4.92 (10 ratings) views: 344,096comments: 101
Can I make a portable mini amp with this junk?
I have two sets of headphones that I have taken apart, and have the speakers, and the wiring all out. I have seen a bunch of portable amp instructa…
posted by Omnipharious on Jan 25, 2011
views: 215answers: 2
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Assemble & Make Your Own Portable Solar Lantern
Its an easy way to make your own solar lantern. An effort has been made to distribute these solar lanterns in villages across India. Do comment or …
posted by vidhi on Feb 5, 2009
4.31 (3 ratings) views: 11,923comments: 14
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Coffin Guitar Amp mini
It's a portable guitar amp in a shape of coffin! It works on one 9 volt battery, just like a guitar effect pedal. And this amp plugs straight into …
posted by mark_roz on Apr 7, 2010
4.11 (5 ratings) views: 21,390comments: 19
Guitar Amp From Jewelry Box
I picked up a cheap, wooden jewelry box from a local craft store for around $5 a while back, and it's been collecting dust on my desk ever since. L…
posted by purpletheory on Jul 8, 2013
views: 46,527comments: 23