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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 Ten 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 04-30-2008, 07:02 PM   #3251 (permalink)
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Quote:
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...also the casework for the Bijou proto I made months ago still needs to be done.
I was going to ask but am aware that you have your hands full ..dB
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Old 04-30-2008, 08:20 PM   #3252 (permalink)
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I was going to ask but am aware that you have your hands full ..dB
If all things are going according to the planning, that Bijou will showing up here next month, same date (hopefully ).
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Old 05-01-2008, 06:56 AM   #3253 (permalink)
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Just finished this little baby for office use: a modified Kumisa III @ ±24V DC (with a couple of traces cut and some resistors changes).

http://i72.photobucket.com/albums/i1...eelding443.jpg
... heavily heatsinking on the bottom, which allows quiescent current biasing at 60mA,
http://i72.photobucket.com/albums/i1...I/RIMG0148.jpg

... and the guts
http://i72.photobucket.com/albums/i1...I/RIMG0147.jpg

I'm not good when it comes to describing the sound, but in short... a very musical, laid back sounding amp without any sign of distortions, noise, hiss or hum.
It makes this hobby (DIY) so fun.
Awesome build as always I like the idea with the heatsink on the bottom. Where did you get that one? I can never seem to find a good source for heatsinks.
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Old 05-01-2008, 07:30 AM   #3254 (permalink)
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Quote:
Originally Posted by Ferrari View Post
Just finished this little baby for office use: a modified Kumisa III @ ±24V DC (with a couple of traces cut and some resistors changes).

http://i72.photobucket.com/albums/i1...eelding443.jpg

... heavily heatsinking on the bottom, which allows quiescent current biasing at 60mA,
http://i72.photobucket.com/albums/i1...I/RIMG0148.jpg

... and the guts
http://i72.photobucket.com/albums/i1...I/RIMG0147.jpg

I'm not good when it comes to describing the sound, but in short... a very musical, laid back sounding amp without any sign of distortions, noise, hiss or hum.
It makes this hobby (DIY) so fun.
Great Build!

You have obviously tweaked with the basic amp quite a lot, but can you give a rough estimate as to the cost of a CK2 III build?
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Old 05-01-2008, 01:14 PM   #3255 (permalink)
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Awesome build as always I like the idea with the heatsink on the bottom. Where did you get that one? I can never seem to find a good source for heatsinks.
MrMajestic2, I bought the heatsink at Conrad Netherlands. Type SK 105, Rth = 2,5 K/W, available at Conrad under product code: 188476 - 89
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Old 05-01-2008, 01:47 PM   #3256 (permalink)
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Great Build!

You have obviously tweaked with the basic amp quite a lot, but can you give a rough estimate as to the cost of a CK2 III build?
A standard CK˛III in a HiFi2000 enclosure can be done for ~Eur 150. A standard CK˛III kit from Jeff Rossel cost ~ US $90 if I can remember. Of course you still have to add a decent enclosure, knops, connectors, ect. in order to make a working amp.

But the cost will rise up very fast when extra things like milled front panel (Eur 33), adding a custom made ±15V power supply (Eur 22) and boutique parts are used.
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Old 05-01-2008, 03:04 PM   #3257 (permalink)
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MrMajestic2, I bought the heatsink at Conrad Netherlands. Type SK 105, Rth = 2,5 K/W, available at Conrad under product code: 188476 - 89
Ah cool. Conrad sweden is a royal pain to find anything in. Sometimes its in swedish, sometimes in english, once in while in german or in this case swedish jibberish. I would never have guessed that it was called "cooling body"!! Hey conrad, we have a word for heatsink already, you dont have to make up your own.

Anyway, its even nicely priced too Is this where you got the heatsinks for you b24 build also?
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Old 05-01-2008, 05:46 PM   #3258 (permalink)
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... Is this where you got the heatsinks for you b24 build also?
Yes, I got 4 of these giant heatsinks last year from Conrad Netherlands, but now I can't find them at their website anymore.
2 pieces were used for my Super Leach power amp, the remaining 2 pieces will find its destination in the β24 proto.
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Old 05-01-2008, 06:18 PM   #3259 (permalink)
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Quote:
Originally Posted by Ferrari View Post
A standard CK˛III in a HiFi2000 enclosure can be done for ~Eur 150. A standard CK˛III kit from Jeff Rossel cost ~ US $90 if I can remember. Of course you still have to add a decent enclosure, knops, connectors, ect. in order to make a working amp.

But the cost will rise up very fast when extra things like milled front panel (Eur 33), adding a custom made ±15V power supply (Eur 22) and boutique parts are used.
Cheers, thats great. Not too expensive really, especially from the reviews it gets.

MrMajestic2: I lived in Lund last year, shame i wasnt into head-fi back then, could have learnt so much!
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Old 05-01-2008, 08:21 PM   #3260 (permalink)
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Ferrari- Another great looking build! Looking forward to seeing some B24s.
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