Instructables
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: 30comments: 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: 25,320comments: 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: 6,156comments: 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: 232comments: 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: 205,982comments: 166
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: 21,182comments: 16
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my first C-Moy head phone amp
posted by cmangio on Jul 26, 2011
4.00 (1 ratings) views: 4,364comments: 9
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: 26
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: 117answers: 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: 79,776comments: 102
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: 51,702comments: 20
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: 53,569comments: 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: 13,375comments: 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: 3,868
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: 28,979comments: 50
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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: 3,690comments: 3
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: 8,836comments: 11
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: 105,486comments: 134
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: 1,770answers: 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: 14,195comments: 9
PORTABLE SOLAR AC POWER
PORTABLE SOLAR POWER 120VAC TO RUN POWER TOOLS, COMPUTERS, ELECTRONICS, AND APPLIANCES: MAINTENANCE FREE, NO CRANKING, NO PULLING JUST PLUG IN. LEA…
posted by jackson88 on Feb 23, 2009
3.48 (20 ratings) views: 67,054comments: 63
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: 50comments: 3
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: 58
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: 35,209comments: 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: 11,498comments: 18
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: 1,966comments: 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: 4
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: 187comments: 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: 5,808comments: 6
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: 59,391comments: 37
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: 17,113comments: 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: 33,107comments: 11
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: 206answers: 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: 11,331comments: 14
12 Volt portable stereo
These 12 volt stereo coolers are pretty cool and easy to make. I run this on a 12 volt system using an amp to power to speakers. I added a switch…
posted by wiscdoledino on Feb 7, 2014
views: 2,286
Portable Welder
*Contests: Automotive and Motorcycle: [WON RUNNER UP!] I was interested in a "portable welder".  I started investigating and I found a few …
posted by ZacWolf on Jul 16, 2013
views: 36,364comments: 9
Portable Stereo?
Ive seen how everyone has made a portable backpack stereo and i think that is a great idea but why not use a regular cd player with all its interna…
posted by lomn on Aug 8, 2010
views: 132answers: 3
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: 41,744comments: 21
portable speakers
in this instructable i will be creating a set of portable speakers from a set of cheap computer speakers.You will need:SolderSoldering IronWire Cut…
posted by little.09 on Jun 11, 2009
3.52 (2 ratings) views: 5,786comments: 3
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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: 20,536comments: 21
Portable Power
This power pack would be for emergency use, like when a storm knocks out the power, and would be very nice to have for camping. Okay, Fat Cat saw …
posted by Cats Science Club on Sep 7, 2013
views: 68,329comments: 54
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: 75,662comments: 76
Portable Photobooth
I made a table top photo-booth to use at my kids' school carnivals a while ago. I also built curtains out of pvc  and material (unfortunately, i do…
posted by 711dbrud on May 26, 2013
views: 21,055comments: 6
how do i make my guitar amp battery powered?
I have a 11.2 watt First Act guitar amplifier and i was wondering how i could make it battery powered so that its portable.
posted by Guest on Jul 17, 2009
views: 1,683answers: 1
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CDV-717 Civil Defense Radiation Survey Meter converted to a portable HIFI amplifier.
I modified the case of a CDV-717 Survey instrument to house a TK2050 class D 100watt/channel amplifier and power supply. I needed something rugged …
posted by tamerofire on Sep 24, 2012
views: 1,046comments: 5
How big a battery for a portable ( bike) sound system?
Have several amps and several speakers... 1 The most modest: a 2.1 computer sound system, probably ca. 5- 10 W RMS, 18 V (I want to connect this…
posted by BobS on May 11, 2011
views: 169answers: 3
how would i make a computer's internal speaker portable?
ive seen a ton of ibles on how to make a portable speaker out of desktop speakers, but ive never seen how to do that with the ones inside the comp…
posted by fishinigami on Dec 23, 2010
views: 653answers: 9
Portable speakers in a PS2 Controller?
Using 2x2cm and 2x4cm speakers (4speakers total) preferably with a basic crossover and 4xAAA batteries and a 3.5mm jack for input. Perhaps a volume…
posted by blue-cat on May 5, 2009
views: 187answers: 3
Portable Party Toque with Built in Amplifier and Visualization LED
Make a toque with a built in amplifier and LED organ for keeping warm and heating things up. Get the party started and make yours today! Let me be…
posted by fjordcarver on Dec 11, 2011
4.19 (2 ratings) views: 3,533comments: 10
USB Speakers Into Portable Battery Powered Speakers!
I bought a set of super cheap USB powered computer speakers on sale for $4 at my local grocery store a while back. I figured for $4, I couldn't rea…
posted by ctx1985 on May 14, 2014
views: 26,918comments: 26