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Go Back   Head-Fi: Covering Headphones, Earphones and Portable Audio > Misc.-Category Forums > DIY (Do-It-Yourself) Discussions

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Old 05-15-2008, 09:36 AM   #1 (permalink)
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Default First DIY, CMOY:BB

I'm new here, and I'm not exped in the field of DIY items. I saw in the FS forums these Altoids-cased amps up for sale, and I thought "damn those should look like a fun project". So here I am inquireing about them.

I was planning to try my hand at a DIY amp:

this one
, it's he CMOY:BB
Then jgonino and jerrygp gave me this site How to Build the CMoy Pocket Amplifier

And I was wondering:

Should I order parts from that site?
Do you guys have parts laying around that you'll be willing to donate?
Is this a hard build?
Is that site the best priced site around? Meaning is this the cheapest possible site there is?
Is this a good "starter/first time" kit?
If this is my first time soldering, what should I practice on?
How do you read those instructions?

Thank you, sorry if this was a bother.

Last edited by funniecow; 05-15-2008 at 09:51 PM.. Reason: added questions
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Old 05-15-2008, 03:26 PM   #2 (permalink)
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The CMoy is a great first DIY project. (NOTE: Don't build this amp if you think you will save money) Building a CMoy is all about learning the basics of DIY audio electronics. While you can buy a ready-made CMoy for less than you will spend to build your own, you walk away with a certain degree of pride with a host of newly developed skills. You should enjoy the whole process from purchasing tools, reading schematics, selecting components, placing orders, and assembling the amp as an exciting learning experience.

There are tons of CMoy threads on this forum that you should read. I also suggest you digest everything at Audiologica which should answer many of your questions.
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Old 05-15-2008, 08:17 PM   #3 (permalink)
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Default

Oh man, I thought that honestly no one would answer to the thread becasue it would be just be a bother. Uh, how can building it be more expensive than buying an already made on? What should I try to build while trying to save money then? I was eyeing the pv2p and the mini3 but I thougth that I shoudl practive on something more "simpe", and since the altoids can is small I can, I guess display it? I imagine that I'll be estatic upon completing this build. But should I just try out with a different project?
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Old 05-15-2008, 08:28 PM   #4 (permalink)
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I started with the Cmoy build using Tangentsoft.com as my starting point. Check it out.
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Old 05-15-2008, 09:04 PM   #5 (permalink)
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Originally Posted by funniecow View Post
Uh, how can building it be more expensive than buying an already made on? What should I try to build while trying to save money then?
Until you figure out what you are doing, you end up spending mass amounts of money on shipping, extra parts, etc. AND, people like me sell off their CMoys for the price of parts because we like to build them, not because we are trying to make money.

Chances are, your first Cmoy will cost $20+ in parts and $10 in shipping. You can buy a lot of Cmoys on ebay for less than that.
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Old 05-15-2008, 09:59 PM   #6 (permalink)
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Default

Uh, I'm thinking that I'll build the one on this site How to Build the CMoy Pocket Amplifier
it looks like the site is really helpful, and the easiest to fallow around. But do you know where's the best place to order parts from? And what I should practice soldering on? What's the most likely part that I'll need spares for?

Because on juniperlater's post he/she said that my first Cmoy will cost me $20-30 in all. But this site says $50ish bucks. Can anyone refer me to the "cheapest" possible site for components, I don't want to cheap out on the Cmoy capabilities because I want to be able to use it from time to time, and I guess admire my own work? Do I sound conceited?
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Old 05-15-2008, 10:05 PM   #7 (permalink)
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Jseaber's site is for a Bass Boost Cmoy. It shouldn't cost so much. Even my bass boost didn't cost that.

If you stick to the basics, it shouldn't cost more than $35 shipped - even the first one you build. In fact, I say go ahead and buy enough parts for two because the shipping doesn't go up very much and it might cost you less than $30 each.

I use either Digikey or mouser.

Because on juniperlater's post he/she said
...

He. And I said it would be $20+ in parts (probably the high twenties).
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Old 05-15-2008, 11:42 PM   #8 (permalink)
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I reiterate my initial statement that building a Cmoy is not about saving money but learning about DIY audio. If saving money is your prime obective, buy one off eBay or here on Head-Fi. I have three perfectly functioning CMoys built from instructions on Tangent's website. If I charged for parts only, they would cost you $40+. PM me if you want one.
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Old 05-16-2008, 03:53 AM   #9 (permalink)
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I'm not really looking towards, buying, I'm, I guess trying to do a DIY. It looks fun, and it'll be something to do after finals. Do I have to buy the parts seperatly or can I just buy a bag that has everything in it? So a good Idea is to buy TWO kits?
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Old 05-16-2008, 04:56 AM   #10 (permalink)
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Originally Posted by funniecow View Post
I'm not really looking towards, buying, I'm, I guess trying to do a DIY. It looks fun, and it'll be something to do after finals. Do I have to buy the parts seperatly or can I just buy a bag that has everything in it? So a good Idea is to buy TWO kits?
I'm doing the same thing.
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