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: 25,766comments: 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: 6,730comments: 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: 234comments: 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: 248,233comments: 174
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: 23,267comments: 16
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: 54,946comments: 24
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my first C-Moy head phone amp
posted by cmangio on Jul 26, 2011
4.00 (1 ratings) views: 4,834comments: 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: 127,949comments: 140
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: 2,409answers: 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: 16,035comments: 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: 4,145comments: 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 TrashAmps on Jan 5, 2015
views: 700comments: 1
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: 12,327comments: 18
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: 914
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
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: 6,201comments: 6
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: 103,372comments: 107
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: 33,693comments: 11
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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: 21,167comments: 19
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: 66,572comments: 20
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: 5,909comments: 3
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: 71,132comments: 55
Vintage Styled Suitcase Amp
   The project was to design a tool organization kit. What immediately came to mind was trying to find a way to somehow incorporate this 1960’s sui…
posted by D.Pfei on Apr 1, 2013
views: 3,346comments: 1
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: 14,441comments: 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: 4,658
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: 31,358comments: 51
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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: 3,936comments: 2
Can I make a simple LM386 portable amp that is battery run with multiple outs?
I would need it to have at least two outs but would prefer four outs. I also would need right/left balance and a volume control.  I am going to us…
posted by hondasvx on Dec 1, 2010
views: 2,716answers: 8
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: 9,289comments: 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: 9,219comments: 3
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: 52comments: 3
Portable Bluetooth Speaker Boombox
I have been watching instrutables for a while and also YouTube videos and forums. this is from where all my ideas came from. to make this little bo…
posted by tonyalejandrojr on Aug 29, 2014
views: 11,477comments: 18
Soundwave Portable Electronics Workstation
As most who know me would know, I like to keep my shed neat & tidy, so the idea of building a self-contained electronics workstation is very appea…
posted by Tez_Gelmir on Sep 1, 2014
views: 32,836comments: 30
Portable Battery Backup With Upgrades
Diy portable battery backup for camping or surviving a power outage. Parts And Materials The parts in the instructible is mostly stuff I alread…
posted by mp 15-22 on Aug 19, 2014
views: 2,314comments: 3
Wifi + Bluetooth portable speaker
Thanks for checking out my instuctable on how I built my own portable Wifi + Bluetooth speaker.This is my fifth wifi speaker build. It integrates w…
posted by DIY_DAVE on Feb 19, 2015
views: 2,369
Mjolnir - The Portable Media Computer
I travel a lot and I like to take my media with me. However, I'm rarely end up at places with a strong internet connection and I don't like having …
posted by rockycolttumtum on May 12, 2014
views: 88,419comments: 68
Portable Snare Cajon Drum
aloha! Here again to supply you with another easy instructable. Cajons are drums made out of wood shaped like a box, they are played sitting on the…
posted by WolfgangCanoGuitars on May 4, 2014
views: 5,085comments: 3
Portable Plant Light
hello world,.In this instructable I will be sharing with you how to make a portable plant light. The light can be made custom size/shape and even …
posted by Akin Yildiz on Nov 17, 2014
views: 1,824comments: 5
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Portable Laser Shows
Files Laser-lunchbox-how-it-works.pdf circuit_diagram.pdf Tools Bench vice doubles as an anvil to pound out the …
posted by Alvinmin on Jan 28, 2013
views: 4,097comments: 7
Re-purposing an Antique Portable Radio Into a Hip Bluetooth Speaker
**this instructable will walk you through the process of turning a portable antique radio into a cool looking Hi-Fi bluetooth speaker. it takes int…
posted by ke4mcl on Jul 12, 2013
views: 56,198comments: 10
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: 46answers: 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: 58comments: 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: 40,000comments: 50
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: 2,016comments: 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: 349comments: 1
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: 59,643comments: 37
ATV/Portable Bluetooth Stereo
Here's how I made a portable Bluetooth capable stereo that is great for your ATV, shop, or party. Gather your materials. I wish I had more pictu…
posted by jibjabjake on Nov 11, 2014
views: 1,986comments: 4