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

Meier Audio CORDA HEADSIX & The Most Recent Sponsored Threads

Celebrating 6 years of Head-Fi, Meier Audio introduces the Limited Edition HEADSIX (portable headphone amp) Head-Fi Support Sales Action




 
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Old 04-12-2005, 01:35 AM   #421 (permalink)
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Banfi T. :
That is pretty slick.... would you care to post the schematic?
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Old 04-12-2005, 01:56 AM   #422 (permalink)
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I have built a lot of things at this point, but for some reason I had never built a CMoy. Needing something quick to take to my office, I built one out of spare parts with a built-in Guzzler USB DAC and a Velleman. The cases are the plastic boxes that the Vellemans ship in.

The pictures really don't do this amp justice. It is really ugly. I am hoping that it looks sufficiently dangerout to keep my office mates's hands off of it

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Old 04-12-2005, 02:15 AM   #423 (permalink)
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Don't have any pics online right now of the headphone amps I have built but here are some of the speakers I just finished.

http://gmd.shackspace.com/Speakers/SpeakersAmp.jpg

(note my amazing tv in this picture)
http://gmd.shackspace.com/Speakers/TempSpeakerSetup.jpg
Those speakers are beautiful!

PS: Gmd: hi2u and how ur job?
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Old 04-12-2005, 07:18 AM   #424 (permalink)
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wow great job!

Originally Posted by steinchen
tight fit but no problem since the mosfets are installed with isolating high performance kapton sets on the 1.5" heatsinks, the smaller film caps (0.1uF, 0.068uF, 0.01uF MKS/MKP types) are mounted "subterrestrial" to leave the place on the upperside for the big film caps (4.7uF, 3.3uF, 0.68uF)
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Old 04-12-2005, 11:06 AM   #425 (permalink)
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Originally Posted by Magsy
Awesome work, you should be very very proud!

Few questions if you don't mind?

What design are they? (url?)
What are they finished in?
How did you cut the large speaker holes (with recess)?
Do they sound as good as they look?
I didn't use a premade design I kinda just picked some drivers (dayton silk dome tweeter and dayton 7 inch aluminum woofer) and used a 4th order Linkwitz Riley crossover at 2KHz with the tweeter padded 4 dB so it matched the woofer. The finish is the 1 cu ft MTM cabinet from partsexpress, they are $99 a piece and very nice, they don't look nearly as good in the pictures as they do in person. For the holes I used a plunge router from craftsman and the jasper jig from partsexpress. The jasper jig makes it extremely easy to cut the holes and flush mount drivers (even for an idiot like me !). As for the sound I am quite pleased. I originally was testing them on a friends 110x7 watt home theater receiver and for some reason the bass was very lacking, we had to up the bass like 10 dB to get anything from the woofer, however when I hooked them to my jolida 102B amp they sounded wonderful, much better than the $200 (excluding tools) a piece they cost to build.
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Old 04-12-2005, 11:17 AM   #426 (permalink)
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Originally Posted by Ob3ron
Those speakers are beautiful!

PS: Gmd: hi2u and how ur job?
Sup man, it's good, making money so I can't really complain.
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Old 04-12-2005, 12:17 PM   #427 (permalink)
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Originally Posted by steinchen
M³ cased up
Very nice work.

Are those couplers on the ALPS pots to connect the knobs or alignment bushing?

Thanks for sharing our fp symbols.
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Old 04-12-2005, 12:41 PM   #428 (permalink)
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Originally Posted by Jaypetermen
Are those couplers on the ALPS pots to connect the knobs or alignment bushing?
They are to connect the knobs. I moved the pcb to the rearpanel to get enough space for the headphone jacks for heatsink and electrolytic cap clearance. I had to file the couplers down 1.5mm to make them fit into the case. I even had to cut out a little piece from the pcb (on the front left corner near the led pads) The case is a really tight fit in height and length. Did I mention that I hate doing the case work ? :X

Originally Posted by Jaypetermen
Thanks for sharing our fp symbols.
np, you're welcome
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Old 04-12-2005, 01:31 PM   #429 (permalink)
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Sup man, it's good, making money so I can't really complain.
haha okay those are just a couple of shack catchphrases i tossed out as a nod to a fellow shacker. I guess I was being too subtle

Again nice job on the speakers. I'd love to get in on the fun of building speakers but I don't have the room and am too considerate to annoy other members of the household with my music.
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Old 04-12-2005, 02:07 PM   #430 (permalink)
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Originally Posted by Ob3ron
haha okay those are just a couple of shack catchphrases i tossed out as a nod to a fellow shacker. I guess I was being too subtle

Again nice job on the speakers. I'd love to get in on the fun of building speakers but I don't have the room and am too considerate to annoy other members of the household with my music.
Word, I am apparantly too cool for the shack now (aka still banned lol). Yeah space and money were pretty much the two factors holding me back from building my own speakers, I was pretty much all talk for about 2-3 years. Now that I graduated and have some free time I finally decided to make them.
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