Hifimediy T3S or Sure TK2050 for sub amp

Pascal GUERIN · 6th December 2011, 09:58 AM

I'm planning to change my old DIY amp

Velleman nv

with a class D board, keeping the box and the PSU. The PSU is a 2 x 32V DC and the amp will power two 30 cm woofer 4 Ohms impédance, 91 db of sensitivity in a 25 m2 room.

I've seen two interresting products :

Sure 2 or 4 * 100w TK2050 cards
Hifimediy T3 or T4 TK2050 cards

Wich one is the best choice ? Any advice welcome

First thing i've seen, level of the PSU for Sure card seems to be on the limit of the specs.

kristleifur · 6th December 2011, 12:25 PM

TK2050 is excellent IMO.

Judging only from what I've read: The Sure boards don't use very good components, they're not the ultimate in reliability, and they run too hot for me to trust them. These chips are supposed to run pretty cool. I would go for Hifimediy.

That said, many people on the forums love their Sure amps!

(I like 41Hz best of all, myself, but they only make prebuilt TA2020 and TA4410 boards. The rest are unsoldered kits.)

Pascal GUERIN · 6th December 2011, 06:14 PM

Thanks for your answer kristleifur, i was also thinking about UCD 180 ST modules, has anyone compared them with TK2050 card ?

kristleifur · 7th December 2011, 12:03 AM

I have very briefly auditioned an UcD 180, and it was pretty great. From this very limited experience I still prefer the TK2050, but any of these will be pretty great. Both TK2050 and NCore are very accurate; The Tripath speaks more to me musically. But I only had 5 minutes with the NCore so I can't say. Basically, you can't go wrong with either of these amp types.

Note that there is a new UcD design evolution coming out from Hypex very soon, in December I believe, the NCore 400. It's probably worth waiting for that one if you're looking towards UcD gear.

Pascal GUERIN · 10th December 2011, 06:38 PM

Thank for the advice,
I'm waiting a little, Hypex and hifimediy are still in mind

I've seen the thread concerning T3 and NCore

kristleifur · 12th December 2011, 02:45 AM

(Hey sorry, I didn't really notice that it's for a sub amp ... I'd go for the Hifimediy T3. The difference in "flavor" doesn't really apply as much to the bass with these amps, and the paralleled TK2050 as in Hifimediy T3 makes some of the most fun bass I've heard. Very cost-effective, too.)

6th December 2011, 09:58 AM	#1
Pascal GUERIN diyAudio Member Join Date: Nov 2010 Location: Ain - France	Hifimediy T3S or Sure TK2050 for sub amp I'm planning to change my old DIY amp Velleman nv with a class D board, keeping the box and the PSU. The PSU is a 2 x 32V DC and the amp will power two 30 cm woofer 4 Ohms impédance, 91 db of sensitivity in a 25 m2 room. I've seen two interresting products : Sure 2 or 4 * 100w TK2050 cards Hifimediy T3 or T4 TK2050 cards Wich one is the best choice ? Any advice welcome First thing i've seen, level of the PSU for Sure card seems to be on the limit of the specs.

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6th December 2011, 12:25 PM	#2
kristleifur diyAudio Member Join Date: Apr 2006 Location: Reykjavík	TK2050 is excellent IMO. Judging only from what I've read: The Sure boards don't use very good components, they're not the ultimate in reliability, and they run too hot for me to trust them. These chips are supposed to run pretty cool. I would go for Hifimediy. That said, many people on the forums love their Sure amps! (I like 41Hz best of all, myself, but they only make prebuilt TA2020 and TA4410 boards. The rest are unsoldered kits.)

6th December 2011, 06:14 PM	#3
Pascal GUERIN diyAudio Member Join Date: Nov 2010 Location: Ain - France	Thanks for your answer kristleifur, i was also thinking about UCD 180 ST modules, has anyone compared them with TK2050 card ?

7th December 2011, 12:03 AM	#4
kristleifur diyAudio Member Join Date: Apr 2006 Location: Reykjavík	I have very briefly auditioned an UcD 180, and it was pretty great. From this very limited experience I still prefer the TK2050, but any of these will be pretty great. Both TK2050 and NCore are very accurate; The Tripath speaks more to me musically. But I only had 5 minutes with the NCore so I can't say. Basically, you can't go wrong with either of these amp types. Note that there is a new UcD design evolution coming out from Hypex very soon, in December I believe, the NCore 400. It's probably worth waiting for that one if you're looking towards UcD gear.

10th December 2011, 06:38 PM	#5
Pascal GUERIN diyAudio Member Join Date: Nov 2010 Location: Ain - France	Thank for the advice, I'm waiting a little, Hypex and hifimediy are still in mind I've seen the thread concerning T3 and NCore

12th December 2011, 02:45 AM	#6
kristleifur diyAudio Member Join Date: Apr 2006 Location: Reykjavík	(Hey sorry, I didn't really notice that it's for a sub amp ... I'd go for the Hifimediy T3. The difference in "flavor" doesn't really apply as much to the bass with these amps, and the paralleled TK2050 as in Hifimediy T3 makes some of the most fun bass I've heard. Very cost-effective, too.)

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