[DevilsRightHand]

I’M looking to make a couple Cmoys for myself and some friends but I'm not sure which one to build. I'd like the Head-fi.org community to give me it's two cents.

 

[Avro_Arrow]

Humm...your not really comparing apples to apples.
 
JDS offers a kit of parts to buy that includes a circuit board.
Tangent is offering a set of instructions (for free) to build your own.
 
If you used the same parts in both CMoys, they should sound
pretty much the same.

 

[DevilsRightHand]

Humm...your not really comparing apples to apples.

JDS offers a kit of parts to buy that includes a circuit board.
Tangent is offering a set of instructions (for free) to build your own.

If you used the same parts in both CMoys, they should sound
pretty much the same.

Aren't they different designs? The JDS has a bass boost for one.

 

[tomb]

Quote:

Aren't they different designs? The JDS has a bass boost for one.

That's a feature, not a different design.  You can just as easily add a bass boost in Tangent's "version."

 

[tangent]

I'm biased, but the choice seems clear to me: do you want to do absolutely everything yourself, in true DIY fashion, or do you want some assistance?
 
I believe you learn more building the CMoy pocket amplifier my way, but obviously I also have nothing against projects based on professionally manufactured PCBs.
 
You simply pick the path that gives you what you want out of the project. If educational value is more important, you choose my path. If you're more interested in keeping the build time low, you pick the path that removes as many of the barriers as possible. If you're more interested in the final product than in the build process, I think it comes down to a personal judgement: do you prefer the raw perfboard build esthetic, or are you after something that approximates professionally manufactured electronics?

 

[Fred_fred2004]

Definatly lots to be gained on the perfboard learning curve
 
you'll make mistakes and have frustrations but at the end it'll be all your own work and you'll understand it better

 
cheers
FRED

 

[splaz]

Quote:

Definatly lots to be gained on the perfboard learning curve
 
you'll make mistakes and have frustrations but at the end it'll be all your own work and you'll understand it better

 
cheers
FRED

 
Perfboard is definitely a learning curve.
 
I personally have a bit of trouble coming up with a really effective layout, putting the schematic in my mind into reality, so often have jumpers going everywhere and just sort of add things on here and there.

 

[kchapdaily]

Quote:

I'm biased, but the choice seems clear to me: do you want to do absolutely everything yourself, in true DIY fashion, or do you want some assistance?
 
I believe you learn more building the CMoy pocket amplifier my way, but obviously I also have nothing against projects based on professionally manufactured PCBs.
 
You simply pick the path that gives you what you want out of the project. If educational value is more important, you choose my path. If you're more interested in keeping the build time low, you pick the path that removes as many of the barriers as possible. If you're more interested in the final product than in the build process, I think it comes down to a personal judgement: do you prefer the raw perfboard build esthetic, or are you after something that approximates professionally manufactured electronics?

this is very good advice. the cmoy is a great learning experience. if thats what your going for, tangents site has some great info. his page on choosing coupling capacitor values is top notch. 
the cmoy is a great learners project due to its simplicity, and with research you can definitely get a good understanding of how the circuit operates. also, its a great project to get an understanding of how gain effects the sound.

 

[nikongod]

I voted for JDS labs, even though its not better. Just easier to stuff a PCB than to build multiples of something on perfboard. 
 
If you want better build a Pimeta, Mini^3, or O2. 

 

[DevilsRightHand]

Quote:

I'm biased, but the choice seems clear to me: do you want to do absolutely everything yourself, in true DIY fashion, or do you want some assistance?
 
I believe you learn more building the CMoy pocket amplifier my way, but obviously I also have nothing against projects based on professionally manufactured PCBs.
 
You simply pick the path that gives you what you want out of the project. If educational value is more important, you choose my path. If you're more interested in keeping the build time low, you pick the path that removes as many of the barriers as possible. If you're more interested in the final product than in the build process, I think it comes down to a personal judgement: do you prefer the raw perfboard build esthetic, or are you after something that approximates professionally manufactured electronics?

Actually, I'm finishing up my parts order on Newark based on your parts list.  What I want to do is, try different sets of caps and resistors on a breadboard till I find what I prefer, then solder it n a prefboard and find an original box/case for it. So I got all the parts you listed including the alternatives and optionals.  Fun times ahead!!!

 

[Avro_Arrow]

Good choice
 
Quote:

Actually, I'm finishing up my parts order on Newark based on your parts list.  What I want to do is, try different sets of caps and resistors on a breadboard till I find what I prefer, then solder it n a prefboard and find an original box/case for it. So I got all the parts you listed including the alternatives and optionals.  Fun times ahead!!!

 

[DevilsRightHand]

I Pmed the following to Tangent and he prefers (understandably) that I ask publicly 
 
 
Sorry to bother you but I wanted to ask a couple questions about your cmoy parts list and who better than you to answer them than Tangent himself!?! If you don't have time for this, just forget about it and I'll try to figure it out by myself.
 
First how come the Dip-8 socket is on  the optional list?
 
I'm having a hard time finding a DC power jack for this on Newark, could you recommend one? It's the only partI'm missing and I would hate getting it from Mouser and paying more shipping.
 
That is all for now but you'll probably see me on head-fi in the next couple of weeks asking a bunch of question...
 
Thanks for the help and your great website

 

[Fred_fred2004]

I'd guess the dip8 socket is optional because you could solder the chip directly (I dont think thats a good idea

 )
 
For the DC socket I use http://au.element14.com/lumberg/1614-10/chassis-socket-psu-panel-mount/dp/1243247 I think it may be the same part number
 
cheers
FRED

 

[DevilsRightHand]

Quote:

I'd guess the dip8 socket is optional because you could solder the chip directly (I dont think thats a good idea

 )
 
For the DC socket I use http://au.element14.com/lumberg/1614-10/chassis-socket-psu-panel-mount/dp/1243247 I think it may be the same part number
 
cheers
FRED

 
Hey Fred fred, thanks for the info and the parts and kit you sold me in the past.

 

[DevilsRightHand]

Does anyone have a picture of what the Cmoy looks like in the Enclosure, Serpac H-65-9V (black and bone)