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DIY DIY amp club V2, Post your DIY amp here

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Leolabs
post Aug 27 2010, 05:45 PM

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QUOTE(rioven @ Aug 27 2010, 04:58 PM)
Just wanna simulate this circuit for today..and i still figure out the circuit for stability

user posted image
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Hi,bro.Where is your input grounding resistor??
gabanyayaya
post Aug 27 2010, 05:49 PM

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QUOTE(public holiday @ Aug 26 2010, 01:44 AM)
anyone can help me diy a tread psu for my dac? pls
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Show us ur circuit?
rioven
post Aug 27 2010, 05:59 PM

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QUOTE(Leolabs @ Aug 27 2010, 05:45 PM)
Hi,bro.Where is your input grounding resistor??
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aiyark..forgot to put..should be parallel with R20..this circuit copy from diamante..just try change output to cfp. Later on wanna add isolated power rails for high and low current sections.
LittleGhost
post Aug 27 2010, 07:52 PM

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might need to slow down the CFP pairs. (parallel with a cap across 221 Ohms)


wui223
post Aug 27 2010, 11:56 PM

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QUOTE(rioven @ Aug 27 2010, 05:59 PM)
aiyark..forgot to put..should be parallel with R20..this circuit copy from diamante..just try change output to cfp. Later on wanna add isolated power rails for high and low current sections.
*
Diamante? I built one for myself as recommended by Littleghost.
Let me know if u want to audition it smile.gif
jazzy939
post Aug 28 2010, 01:10 AM

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wui,
Save it for our TT session? wink.gif
I just reassembled my CD transport today. The intentions is to build a proper casing for it.. now that I have a longer weekend. Been putting it off for awhile. Just acquired another CDROM controller and some tubes. A buffer for the CDP is on the way.. tongue.gif
wui223
post Aug 28 2010, 01:40 AM

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QUOTE(jazzy939 @ Aug 28 2010, 01:10 AM)
wui,
Save it for our TT session? wink.gif
I just reassembled my CD transport today. The intentions is to build a proper casing for it.. now that I have a longer weekend. Been putting it off for awhile. Just acquired another CDROM controller and some tubes. A buffer for the CDP is on the way.. tongue.gif
*
No prob bro smile.gif I'm waiting for ur tube preamp also hehe.
Btw, i'm looking for pair of interconnect (rca to rca), any idea? DIY preferable
jazzy939
post Aug 28 2010, 01:51 AM

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Oh ya, I completely forgotten about the tube preamp! laugh.gif
You're looking to buy or looking to make one?
Kinda simple actually. Get the required length of the brand you want from JP.. (eg. KARDAS.. yup. a rip off biggrin.gif )
Good RCA plugs, normally I get from Instraco.. switchcraft, the works. Some soldering and 'voila'! Custom DIY job!


QUOTE(wui223 @ Aug 28 2010, 01:40 AM)
No prob bro smile.gif I'm waiting for ur tube preamp also hehe.
Btw, i'm looking for pair of interconnect (rca to rca), any idea? DIY preferable
*
wui223
post Aug 28 2010, 09:35 AM

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QUOTE(jazzy939 @ Aug 28 2010, 01:51 AM)
Oh ya, I completely forgotten about the tube preamp! laugh.gif
You're looking to buy or looking to make one?
Kinda simple actually. Get the required length of the brand you want from JP.. (eg. KARDAS.. yup. a rip off biggrin.gif )
Good RCA plugs, normally I get from Instraco.. switchcraft, the works. Some soldering and 'voila'! Custom DIY job!
*
ya i'm going to build one , must hear ur 5687 1st hehe
Instraco sell switchcraft??? haha Kardas cable, didnt see before, going to JP today


Added on August 28, 2010, 11:38 amjust back from JP, the swichcraft is expensive, about 16 bucks per plug...
cant see Kardas but indeed got some canare smile.gif

This post has been edited by wui223: Aug 28 2010, 11:38 AM
public holiday
post Aug 28 2010, 02:23 PM

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tis page might help..refer to post 33

http://www.head-fi.org/forum/thread/484163...n-amb-gamma2/30
jazzy939
post Aug 28 2010, 04:36 PM

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The Switchcraft is pricey but it's worth the money as the built and finish is excellent.
Last I saw the Kardas in one of those shops opposite Instraco. Canare is 'abundant'..

QUOTE(wui223 @ Aug 28 2010, 09:35 AM)
ya i'm going to build one , must hear ur 5687 1st hehe
Instraco sell switchcraft??? haha Kardas cable, didnt see before, going to JP today


Added on August 28, 2010, 11:38 amjust back from JP, the swichcraft is expensive, about 16 bucks per plug...
cant see Kardas but indeed got some canare smile.gif
*
Leolabs
post Aug 28 2010, 04:51 PM

On my way
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QUOTE(jazzy939 @ Aug 28 2010, 01:10 AM)
wui,
Save it for our TT session? wink.gif
I just reassembled my CD transport today. The intentions is to build a proper casing for it.. now that I have a longer weekend. Been putting it off for awhile. Just acquired another CDROM controller and some tubes. A buffer for the CDP is on the way.. tongue.gif
*
Perform any suspension work for the CDROM or not?? brows.gif
wui223
post Aug 28 2010, 04:53 PM

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QUOTE(jazzy939 @ Aug 28 2010, 04:36 PM)
The Switchcraft is pricey but it's worth the money as the built and finish is excellent.
Last I saw the Kardas in one of those shops opposite Instraco. Canare is 'abundant'..
*
ya i bought switchcraft, build quality top notch thumbup.gif but just the price ... really not buyer friendly
2m of Canare cost me another 26 bucks, so u can count the total cost, one of the most expensive cable that i ever built.

after i finish purchasing, i went to opposite road, found some best buy rca plug, no brand, selling 15 bucks for 5 plugs ohmy.gif
i was like doh.gif so i brought them home too for future experiment haha.

but thats not end of the story, coz later on i went another shop n found some cables at good price, so .... the story goes...wallet thin now

jazzy939
post Aug 28 2010, 11:01 PM

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Hari raya 'shopping'.. laugh.gif
wui223
post Aug 28 2010, 11:17 PM

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QUOTE(jazzy939 @ Aug 28 2010, 11:01 PM)
Hari raya 'shopping'.. laugh.gif
*
Shud be merdeka shooping smile.gif

btw, hows ur diy project goes?
jazzy939
post Aug 28 2010, 11:30 PM

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No new projects during this puasa month.. Thinking about building a MOSFET power amp after Raya. 100W-200W power range.
wui223
post Aug 29 2010, 12:10 AM

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QUOTE(jazzy939 @ Aug 28 2010, 11:30 PM)
No new projects during this puasa month.. Thinking about building a MOSFET power amp after Raya. 100W-200W power range.
*
OMG!!! it's getting hotter now, can share any schematic of the mosfet power amp?

btw, i'm planning to DIY power cable for my rigs, any idea?
rioven
post Aug 29 2010, 02:37 AM

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QUOTE(wui223 @ Aug 27 2010, 11:56 PM)
Diamante? I built one for myself as recommended by Littleghost.
Let me know if u want to audition it smile.gif
*
Yeah..maybe after raya im thinking to built diamante with cfp output..later on we can compare..still in 'beta' stage (until now...im a failed electronic student whistling.gif tongue.gif )

another circuit based on diamante

user posted image


This post has been edited by rioven: Aug 29 2010, 06:18 AM
wui223
post Aug 29 2010, 08:15 AM

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QUOTE(rioven @ Aug 29 2010, 02:37 AM)
Yeah..maybe after raya im thinking to built diamante with cfp output..later on we can compare..still in 'beta' stage (until now...im a failed electronic student   whistling.gif tongue.gif )

another circuit based on diamante

user posted image
*
no problem bro smile.gif
what is cfp output?


Added on August 29, 2010, 8:15 am
QUOTE(rioven @ Aug 29 2010, 02:37 AM)
Yeah..maybe after raya im thinking to built diamante with cfp output..later on we can compare..still in 'beta' stage (until now...im a failed electronic student  whistling.gif tongue.gif )

another circuit based on diamante

user posted image
*
no problem bro smile.gif
what is cfp output?

This post has been edited by wui223: Aug 29 2010, 08:15 AM
jazzy939
post Aug 29 2010, 09:39 AM

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Here, have a look:

http://users.tpg.com.au/users/gerskine/dxamp/default.htm

Power cables? ACE hardware, orange colored one, RM3.90 per feet.. depends AWG 12or 14. the best so far.

QUOTE(wui223 @ Aug 29 2010, 12:10 AM)
OMG!!! it's getting hotter now, can share any schematic of the mosfet power amp?

btw, i'm planning to DIY power cable for my rigs, any idea?
*

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