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#641
Tekko said:
I also had problems with the SURE IRS2092 amp, if not fored air cooled with a fan, it quickly heats up to 90+ deg C, and after about 30 minutes it starts making clicking noises likethere was a shutoff starting to oscillate on/off, also the stock inductors got smoking hot and stunk out my livingroom.

I contacted SURE about this, they were unable to reproduce the issues and claimed to only have one single other report of similar issues, and promised to send me another amp free of charge, but they never did.

This SURE amp will most likely become a parts donor for other projects as it feels wrong to have to fan cool a class D amp whose heatsink is more than big enough for stated power rating, if i have to do that i could just as well use a class AB amp.
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My Sure based IRS2092 amp would work for about an hour. Then the right channel would cut out, the volume would lower and a loud hum would commence. I had read on another 2092 thread that Sure doesn't seem to adjust these at the factory, so that's probably why mine would heat up mercilessly too. Way too hot for Class D I thought - and I had it in a well-vented enclosure. I'm just going to cut my loses and probably not by Sure anymore. There are other, better modules out there. I haven't received the new 2092 module from Cristi yet at Connexelectronic, but his SMPS modules and speaker protection boards are first rate. I'm sure I can expect the same from him with this amp.

My next project will be based on this module.

Rick
 

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#642
redjr said:
Hi Rod,

Actually, this is the TK2050 module from HiFimeDIY I have. It's been on my bench, wired up and tested, but hasn't found a permanent enclosure, or home yet. Thinking about making a little iPod amp for my daughter with it. Can't beat the price. 🙂 See attached image below.

Rick
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Thanks Rick. Actually I have his T4 amp sitting and not built up yet. When I finally go active on our 3 front 104 db efficient speakers I'm going to need more amps. So trying to get a feel for which way to go.

Cheers,
Rod
 
#646
noah katz said:
Hmm, sounds like the SC-05 is more favorite than the IRS2092 🙂
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Since it's in my HT, the SC-05 probably gets more use - at least for movies. 🙂 But even for 2-channel it is very sweet sounding indeed. I'm sure it's not the ICEPower modules alone that works the magic, but other things Pioneer has done on the inside to optimize the sound as well. When I haven't fired up my vintage rig, the LJM amp is the one normally on for general CD listening.

Rick
 
#647
nwboater said:
Thanks Rick. Actually I have his T4 amp sitting and not built up yet. When I finally go active on our 3 front 104 db efficient speakers I'm going to need more amps. So trying to get a feel for which way to go.

Cheers,
Rod
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Yeah they have some interesting audio stuff on that site. DACs, digital-amp(DDX320), and other neat stuff. Now you've got me curious about the T4. Powerful little module. I like the fact that it can take both dual, or single voltages. What PSU are you going to use with it? A conventional, dual-polarity linear one, or single SMPS? My credit card suffers when I start looking! 🙂

Rick
 
#648
redjr said:
Yeah they have some interesting audio stuff on that site. DACs, digital-amp(DDX320), and other neat stuff. Now you've got me curious about the T4. Powerful little module. I like the fact that it can take both dual, or single voltages. What PSU are you going to use with it? A conventional, dual-polarity linear one, or single SMPS? My credit card suffers when I start looking! 🙂

Rick
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Hi Rick,

I got the Connexelectronic.com smps300R supply Connexelectronic The amp is really over powered for my Klipsch Heritage stuff but it's the one that HiFiMeDIY suggested for my speakers. My only concern with such high efficiency speakers is the amps noise level. Sure hope it's not a problem. Will probably be awhile before I do the build.

Yea those credit cards are dangerous little things!

Cheers,
Rod
 
#653
Foam Core Amplifier - TPA3118D2

Here is the new TI Class-D TPA3118D2 chip implemented in all SMD parts using dead bug point-to-point wiring with the components glued to a piece of foam core board. The amp sounds really nice and clean. The build was a lot of fun and I am not experiencing any noise issues that some thought may arise since I did not use a PCB with a ground plane. Although I do have a sheet of aluminum foil underneath the paper.

More info in this thread:

http://www.diyaudio.com/forums/class-d/219730-tpa3118d2-6.html

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336454d1363460094-tpa3118d2-foam-core-amp-final3.jpg
 
#655
My TAS5630B Amp

Hello! Here're some pictures of my Tas5630b Class D Amp (the first one I designed). It works really great, I love this amp module.

Power is about 170W @ 4 Ohms each Channel. Heatsink is a Pentium 4 Socket 423.
Inductors are Coilcraft VER2923 with 6,8µH. I will try 10µH also.

Btw: If someone is interessted in a pcb, contact me ;-)

Best regards,
Bernhard
 

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#658
Thanks for your great feedback, Sound is good but I have to say that I'm not a sound guru so I connect the amp to the speakers and it sounds good with no strange noises or something else. I'm happy at this point! 🙂

I read the pm and will reply soon with some more details about the pcb.
 
#659
Very impressive

mantabernd said:
Hello! Here're some pictures of my Tas5630b Class D Amp (the first one I designed). It works really great, I love this amp module.

Power is about 170W @ 4 Ohms each Channel. Heatsink is a Pentium 4 Socket 423.
Inductors are Coilcraft VER2923 with 6,8µH. I will try 10µH also.

Btw: If someone is interessted in a pcb, contact me ;-)

Best regards,
Bernhard
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Nothing more to say that WOW that is some really impressive work

Regards

Geof
 
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