3 Simple Ways to
Share What You Make

With Instructables you can share what you make with the world — and tap into an ever-growing community of creative experts.

PhotosPhotos

Share one or more photos of a project, recipe, or whatever you've made, quickly and easily.

Step by StepStep-By-Step

Share your step-by-step photos with text instructions of what you made so others can do it too!

VideoVideo

Share your how-to video. You'll need your embed code from a video site such as YouTube.

How to make a pocket headphone amp!

How to make a pocket headphone amp!
«
  • DSCF2980.JPG
  • DSCF2235.JPG
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 other big headphones (in my case, some sony MDR-XD100) an or an MP3 player isn't enough, especially if they have a high impedance. This circuit was originally  developed by a man by the name of and it has been extremely popular. There is only one difference with mine (and most others) and that is the fact that he used two single op-amps and we will be using a dual op amp.
So lets get started!



Please don't be too critical, I'm only 14!
 
Remove these adsRemove these ads by Signing Up
 

Step 1Parts

Parts
«
  • DSCF2194.JPG
  • DSCF2193.JPG
Here are the parts you will need:
OPA2134PA op-amp. There are alternatives but I have had most success with this one. The only other one that I would recommend is  OPA2132
1x IC socket
2X 470uf or higher 10V capacitors
2x stereo audio jacks
2x 0.2uf MKT or pollyester capacitors
2X Pannel mount LEDs
1X NPN transistor
1 or 2 9V battery clips
male header pins
1X PCB
1X stereo 10k potentiometer
10k, 100k, 1k, 4.7k, 47ohm resistors (I got packs of 8)
2x SPDT micro switches
3v button cell and holder

A PROJECT ENCLOSURE! Be creative!

« Previous StepDownload PDFView All StepsNext Step »
5 comments
Dec 8, 2011. 2:55 PMantmanadam says:
Can you tell me what exactly what pot you have an where you got it
Sep 26, 2011. 2:34 AMtoj cookies says:
nice job
Sep 23, 2011. 6:13 PMlewster says:
nice instructable, dog digger!
Sep 22, 2011. 6:49 AMjman 31 says:
Nice job! It's great to see young people like yourself getting interested in electronics!

Pro

Get More Out of Instructables

Already have an Account?

close

All Steps Viewing
View all steps of an Instructable on the same page when you're a Pro Member.

Upgrade to Pro today!
55
Followers
12
Author:dog digger
I like electricity I like electronics I like.... SO MANY THINGS music, subwoofers, computers, woodwork and metalwork, Just look at my interests! I love music of most sorts and I am learning to be a so...
more »