DIY T-Amp user/diyer come here :), TA2024 complete build board diy
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 Sep 23 2008, 11:33 PM
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#281
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG! 
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im for my own use
 not sure yet tho, duno there will be a 5th batch or not...haha. Added on September 23, 2008, 11:37 pmY.C. hmm but, the ta2024 pin are so tiny...how you gona solder or make the board for it? well i know its posible but not me...haha you need achine for the board, and yes ta2020 pretty much same design. different power only. This post has been edited by xtorm: Sep 23 2008, 11:37 PM |
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Sep 24 2008, 05:14 PM
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#282
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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best-est news of the day
t-amp is at my gf office looking forward to the tt too... |
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Sep 24 2008, 10:11 PM
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#283
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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guys im now desoldering input caps...
 wish me lucklor not sure ill hear a good different or not since im in car and with electronic x-o, im doing only the mid, dont wish to fry both my high and mid op-amp This post has been edited by xtorm: Sep 24 2008, 10:12 PM |
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Sep 24 2008, 11:12 PM
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#284
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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FxxK me...im selling off mundurf.....
Added on September 24, 2008, 11:12 pm QUOTE(grandspy @ Sep 24 2008, 10:15 PM) Thank you xtorm, It's the best-est news of the day indeed! I've done the necessary financial transaction, and I'm looking forward to receiving them soon. hehe bro...tomolo it will be on its way Here's another newbie in the house!!  Jazzy, have you done the BOM?   This post has been edited by xtorm: Sep 24 2008, 11:12 PM |
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Sep 25 2008, 01:05 AM
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#285
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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guys scrap the idea of removing input cap, altho is sounded powerfull in my situation, but it burn my speaker.
refer to post 1693 » Click to show Spoiler - click again to hide... « This post has been edited by xtorm: Sep 25 2008, 08:24 PM |
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Sep 25 2008, 08:22 PM
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#286
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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guys scrap the idea of removing input cap for now, i just try with 20k resistor there is distortion, with 12k there is none, but in both situation the speaker is being push out! even during idle. sorry didnt notice tht previously....but yesterday i play it loud for 30 minutes without issue tho...
i just burn 1 of my mids with 20k resistor  .... should i move to lower resistor value and try again? hmm..... yes ongbs there is the 'tub' noise when i on the amplifier, at the same time as the mid being push out...gona get another mid tomolo....so sad. |
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Sep 25 2008, 08:50 PM
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#287
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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saw the charlize with a diode like thing instead of input cap
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Sep 25 2008, 08:55 PM
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#288
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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crap, so this is how it should be done? might as well try it, if i burn both mids, then i goto get the mid from ongbs
http://www.diyaudio.com/forums/showthread....6686&highlight= |
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Sep 25 2008, 10:09 PM
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#289
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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yea dont remove those cap and put it direct, follow the page i posted, stupid me didnt do any research before going for it.
as mention by them, better bass and dynamic  but you need a floating power supply for the t-amp, the ground of the t-amp needs to be isolated from the ground of the source.Added on September 25, 2008, 10:09 pmbtw bro jazzy, any nice speaker driver you see in jalan pasar? This post has been edited by xtorm: Sep 25 2008, 10:09 PM |
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Sep 25 2008, 11:59 PM
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#290
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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if i didnt plug in the source there is no issue, happen only once i plug in...
didnt measure it tho. there is a solution to no cap, but i need battery to try it out plenty of tht in the office tomolo.... |
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Sep 26 2008, 12:04 AM
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#291
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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haha not teribly sad tho, but it cost me rm100++
 so now, solder the source ground to bias cap and isolate the t-amp grounding from source ground, does tht sound right? |
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Sep 26 2008, 12:08 AM
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#292
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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if this 1 works, im not turning back, there is more air and dynamic!
Added on September 26, 2008, 12:09 amespecialy the dynamic part, very obvious, louder too...and those bass This post has been edited by xtorm: Sep 26 2008, 12:10 AM |
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Sep 26 2008, 01:11 AM
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#293
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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hmm bro jazzy, i connect source ground to leg side of biascap right, as in pin 16 of ta2024.
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Sep 26 2008, 01:29 AM
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#294
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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QUOTE(jazzy939 @ Sep 26 2008, 01:17 AM) You did? Wonderful! no bro i haven done it yet...just asking  Eh you ada pakai magnifying glass ka ? to confirmbut i broke the gain resistor pad yesterday, solder a very thin copper wire from pin 14 and pin 15 to the resistor....the copper wire is 1 from a bunch in those blue white 2 core wire...hahah very thin and im surprise i was able to do it without the magnifying glass, not able to take pic tho, goto borrow your camera how much izit now?i would say this 2 boards are totally beef up, i have 2 coming as spare |
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Sep 26 2008, 02:01 AM
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#295
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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those cheapo elna jazzy mention nice right?
anyways guys, im out going to sleep now |
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Sep 26 2008, 07:08 PM
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#296
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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lui bao mana lu!
This post has been edited by xtorm: Sep 26 2008, 07:18 PM |
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Sep 27 2008, 01:41 AM
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#297
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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the no cap mod fail
altho the high dc at sepaker terminal is solve(speaker not being push out anymore at idle) the amp will cut off if i try to turn up the volume. amp ground is isolated from source ground, source ground is grounded at bias pin.. battery is low tho, 10v only, will tht cost it to cut off at higher volume? not loud, just normal volume... |
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Sep 27 2008, 12:01 PM
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#298
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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i did the following as mention...
QUOTE(xtorm @ Sep 27 2008, 01:41 AM) the no cap mod fail altho the high dc at sepaker terminal is solve(speaker not being push out anymore at idle) the amp will cut off if i try to turn up the volume. amp ground is isolated from source ground (battery operated), source ground is grounded at bias pin..pin 16 according to evaluation board battery is low tho, 10v only, will tht cost it to cut off at higher volume? not loud, just normal volume... |
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Sep 27 2008, 12:44 PM
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#299
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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yea mayb, after i got my new board
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Sep 27 2008, 01:27 PM
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#300
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Senior Member
3,160 posts Joined: Jan 2003 From: KLANG!
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bro jazzy can you get me the pen like thing qith 3 hook, izit call wick? i cant seems to find it in jalan pasar..
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luckily it is bcos i didnt plug in the RCA 
gona do the tweeter amp as well....and put in proper 20k resistor....but now with the caps taken away, the frequency cut off thing is not applicable anymore?