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DIY T-Amp User V2, TA2020 AIR CORES!, ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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cyl1000
post Dec 30 2008, 07:12 PM

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QUOTE(jazzy939 @ Dec 30 2008, 06:53 PM)
ar188,
I need some! Some blue ones would be nice! This is for my 'new' amp.. wink.gif

Added on December 30, 2008, 6:56 pmcyl1000,
a 40V tranny would be a good candidate to power a GainClone! wink.gif
*
Will have to wait till I finish with the t-amp casing and also another t-amp with discrete... tongue.gif


Added on December 30, 2008, 7:14 pm
QUOTE(jazzy939 @ Dec 30 2008, 07:00 PM)
kww,
I have seen belden and canare in JP but not mogami. I need to make a few interconnects too.. time to drop by JP tongue.gif
*
I've seen some China Belden too tongue.gif

This post has been edited by cyl1000: Dec 30 2008, 07:14 PM
jazzy939
post Dec 30 2008, 07:15 PM

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Currently I have 2x 50K pots. They're 16mm ones.. don't know if they're linear or log.. tongue.gif Will check later...

QUOTE(ar188 @ Dec 30 2008, 07:09 PM)
jazzy, how big are your JP pots, the diameter of the back cover. 12mm 16mm etc? see if got any surplus 50k Log scale ones for you..
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Added on December 30, 2008, 7:17 pmkww,
I can't really remember where.. hehe.. I bought my Canare from the shop right at the end of JP, LHS.

This post has been edited by jazzy939: Dec 30 2008, 07:17 PM
kww
post Dec 30 2008, 07:27 PM

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Jazzy, do you remember how much and model? I heard from friend L2T2S is good. But i never audit before. Any opinion?
jazzy939
post Dec 30 2008, 07:32 PM

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kmm,
off hand can't remember exactly,sorry dude. They're about RM9 per meter.
grandspy
post Jan 2 2009, 02:49 AM

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Can a computer PSU be used to power up the T-amp?
TSxtorm
post Jan 2 2009, 10:28 PM

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yes, as long as 12v dc smile.gif
jazzy939
post Jan 3 2009, 12:06 AM

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Definitely can!
My Jr. is using a spare computer's PSU to power his T-Amp... tongue.gif

QUOTE(grandspy @ Jan 2 2009, 02:49 AM)
Can a computer PSU be used to power up the T-amp?
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grandspy
post Jan 3 2009, 12:18 AM

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Ok then. I have two comp. PSU. If anybody wants to have them, let me know. I think they're rated 400 watts. Else, I'll just throw them away. Err.. they're faulty though tongue.gif
jazzy939
post Jan 3 2009, 12:30 AM

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grandspy,
the Meanwell SMPS looks better and 'cuter' wink.gif with adjustable voltage! biggrin.gif
ar188
post Jan 3 2009, 12:55 AM

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QUOTE(jazzy939 @ Jan 3 2009, 12:30 AM)
grandspy,
the Meanwell SMPS looks better and 'cuter' wink.gif with adjustable voltage! biggrin.gif
*
definitely cuter..and available in wide single voltage range and formfactors...
besides no need 350W to 500W monster computer PSUs with fans and dangling cables...
jazzy939
post Jan 3 2009, 01:08 AM

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thats right ar188! computer's psu is real messy! tongue.gif
bsl555
post Jan 3 2009, 01:40 AM

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Actually a well designed PC PSU can be used, subject to some mods, refinements and conditions.
1. Reputable brand thats not with missing parts inside (EMI filter components)
2. Remove parts of the circuit that output other misc voltages that you'd not use. You've to know the PSU circuitry of course and what to remove.
3. Change the DC output cables to a pair of thicker gauge ones.
4. Beef up the DC output circuitry with better parts and values.
There's other things you can do, afterall if the PSU is already FOC, its all to your savings.
I'm confident yoru FOC PSU after modding can likely outperform the Meanwell PSU, except the PC PSU is more bulky and there's a fan too.
Your choice. smile.gif


This post has been edited by bsl555: Jan 3 2009, 01:42 AM
jazzy939
post Jan 3 2009, 01:49 AM

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too much work la bsl tongue.gif
bsl555
post Jan 3 2009, 01:55 AM

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QUOTE(jazzy939 @ Jan 3 2009, 01:49 AM)
too much work la bsl tongue.gif
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Heh!.. need I say if you're always on the look out for the fun factor, nothing is really too much work. smile.gif
Anyone got a BUSTED but BRANDED Coolermaster, Antec, Corsair 500W PSU to give me?.. I'll gladly accept it and of course I mod it and its for MY keeps??... brows.gif brows.gif

This post has been edited by bsl555: Jan 3 2009, 01:56 AM
jazzy939
post Jan 3 2009, 01:59 AM

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Hehe.. very true.. tongue.gif
Too bad I do not have any.. just 'generic' ones that are busted.. those branded ones really last a long time! biggrin.gif
grandspy
post Jan 3 2009, 11:20 PM

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QUOTE(bsl555 @ Jan 3 2009, 01:55 AM)
Anyone got a BUSTED but BRANDED Coolermaster, Antec, Corsair 500W PSU to give me?.. I'll gladly accept it and of course I mod it and its for MY keeps??... brows.gif  brows.gif
*

bsl, you want 'em? One is 535W and the one is 460W
user posted image[/URL]

jazzy939
post Jan 3 2009, 11:23 PM

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Enermax. Are they 'good'? hmm.gif
bsl555
post Jan 3 2009, 11:25 PM

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QUOTE(grandspy @ Jan 3 2009, 11:20 PM)
bsl, you want 'em? One is 535W and the one is 460W
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Can! can!. I hope it won't be a daunting task to revive them first.
ar188
post Jan 3 2009, 11:31 PM

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QUOTE(jazzy939 @ Jan 3 2009, 11:23 PM)
Enermax. Are they 'good'? hmm.gif
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probably "decent"..taiwan/china made. not same level as the american brands (which is also made in china) due to the BOM.
I believe BSL wants the PSU to be equipped with branded subcomponents used inside..
of which the BOM (bill of materials) would be made up of branded manufacturers..
jazzy939
post Jan 3 2009, 11:35 PM

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'additional' work to replace those also by bsl... tongue.gif

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