grubyhalo
New Member
In response to the query as to whether the kits contain IRF Chips, I got the following response. Is this the one that we are looking for?
Yes, that's the one based on the thread at the circle.
Class D Amplifiers
- Thread starter captrajesh
- Start date
Yes, that's the one based on the thread at the circle.
Yes, that's the one based on the thread at the circle.
I've ordered & generated the invoice but have not wired the payment to accommodate Gruby's suggestion of going for one with IRF chips.
Now that I'm sure that they are the same ones Gruby suggested, I can confidently order the module I guess.
But George has brought another dimension to the discussion. I browsed their website Hypex UcD? - AS2 They are so many modules, I'm thoroughly confused.
Never mind the cost, which amongst them is the best to suit my objective of making the best sounding DIY Class D Amp?
grubyhalo
New Member
Might be useful if you could request comparisions both at the circle and DIYA between the UcDs and the Class D's. FWIW, in the audiocircle thread, there are 2 different users who rate the D's atleast as good or better than the UcD's as well as W4S which use ICE modules. You could probably try PM'ing them for detailed impressions.
grubyhalo
New Member
Check this post for comparisions with the W4S: $175 Class D amp--120 wpc
P.S: Lest you forget, my suggestion to consider the Class D's is purely from the impressions and experiences of users that I've been reading up on and nothing else...
P.S: Lest you forget, my suggestion to consider the Class D's is purely from the impressions and experiences of users that I've been reading up on and nothing else...
Thank you very much Gruby. I wish I has atleast half of the enthusiasm levels that you have.
spirovious
Well-Known Member
What abt this cheap ready amp?
eBay India: Class-D Digital Amp 250W x 2 PMPO + Free Accessories (item 280479059878 end time 22-Mar-2010 17:06:45 IST)
eBay India: Class-D Digital Amp 250W x 2 PMPO + Free Accessories (item 280479059878 end time 22-Mar-2010 17:06:45 IST)
Sent him an enquiry Spirovious. Since he is in Chennai, he may be willing for an auditioning.
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spirovious
Well-Known Member
Sent him an enquiry Spirovious. Sincde he is in Chennai, he may be willing for an auditioning.
Well,if you can get audition ,like it & has few more left ,then let me know.
They are claiming to get good power & audiophile grade.
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"soundciti"
hyeah:hyeah:same bugger who made multiple identitesand tried to push his products,,:clapping::clapping::clapping:
GeorgeO
Well-Known Member
Rajesh
I suggest you do a little research before "pulling the trigger"-I think that's the appropriate phrase to use for an army guy!
HYpex modules are well rated and have been around for some years, and there is a link on diyaudio. Second Kevin Haskins of diycable, who offers all kinds of diy stuff used to offer a 2 channle and 5 channel amp using these parts for many years and rates them well-he is someone who is both honest and experienced, read this link for more info and pricing, though he has stopped offering them now, saying that they were not generating enough profits.
Latest Amplifier Builds
George
I suggest you do a little research before "pulling the trigger"-I think that's the appropriate phrase to use for an army guy!
HYpex modules are well rated and have been around for some years, and there is a link on diyaudio. Second Kevin Haskins of diycable, who offers all kinds of diy stuff used to offer a 2 channle and 5 channel amp using these parts for many years and rates them well-he is someone who is both honest and experienced, read this link for more info and pricing, though he has stopped offering them now, saying that they were not generating enough profits.
Latest Amplifier Builds
George
grubyhalo
New Member
Thank you very much Gruby. I wish I has atleast half of the enthusiasm levels that you have.
Considering that's about all I have right about now, you're most welcome!
Looks like a new 'Super D' series will be out from Class D with added features like balanced inputs, adjustable gain, ability to drive loads as low as 1.5 ohms:
Class D Audio Amp Kits
Also, looks like there's a 5% discount for Audiocircle users...
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Hi Spiro
The chap replied that he is not ready for auditioning. Looks like a shady character.
Regards
Rajesh
nice one.Hi
Let's discuss & finalise the kit to be procured (You, me & Gruby). Class D IRF or Hypex? BTW, the cost is on me.
Regards
Rajesh
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spirovious
Well-Known Member
Thanks for reply,
So better not to go his way.
a short review of Class-D owner
Class D Audio CDA-258 Amplifier
Last edited by a moderator:
vumeter
New Member
I found an amplifier ClassD TDA8929BTH Chip, NXP Semiconductor ..
in Class d amplifier : Class D co.uk
anyone knows the technical specifications?
It is a good option to mount my amplifier 1 ClassD?
thanks!
in Class d amplifier : Class D co.uk
anyone knows the technical specifications?
It is a good option to mount my amplifier 1 ClassD?
thanks!
Ive heard of thousands of Indians flying out to USA chasing their $$$ dreams. But in my case, USA has come calling chasing my musical dreams. 
Months of my quest for my dream amp has finally come to an end or rather, it is a beginning of my pursuit for achieving Audio nirvana. The pics, (downloaded from their website) are attached.
After months of delay, I finally received the Class D Amp CDA 254 with its low profile power supply from US. It cost me Rs. 8800/- including freight + Rs. 668/- towards Customs + Rs. 32/- for tipping the postman.
After keeping it idle for two weeks in my search for torodial transformer, I took it to an audio electronics guy yesterday evening. We connected the amp to the supplied Low Profile Power Supply and linked it up to an old 10 Amp Audio Transformer with a secondary output of 30V AC. As a result, the DC output from the power supply would be 42.3V, slightly less than the optimum operating range of 45V to 60V of the Amp.
We powered up the setup without load. One set of blue LEDs each of the Amp & Power Supply have come to life beautifully. We connected the right channel to a Chinese Tower speaker. The first sound from the Amp was well, music to my ears. We then powered down and connected the second channel as well. We played a couple of tracks and the setup was working nicely.
We then connected the Amp to Torvin two-way tower speakers and played the B&W demo disk through my Marantz 6003. Wow, my jaw just dropped!!! What a music!!! All the instruments have come alive. Superb vocals, taut percussions, silky smooth strings, lively trumpets and saxophones!! The sound is clean but not clinical musical but not warm. The transients, the decay are so lively that it has to be heard to be believed. :yahoo:
After playing for half an hour, I took it and headed home. Connected it to my 85db 8 ohm towers on one side and my Marantz to the other.
My trusted old friend, Sashi Kumar who just came back from office after a stressful day was game enough to come over and we listened to all types of music, from Pop to Rock, from Western Classic to Jazz over a few shots of Antiquity
We had a blast till about midnight. There is not even an iota of listening fatigue. Hats off to Tom of Class D Audio.:clapping:
Months of my quest for my dream amp has finally come to an end or rather, it is a beginning of my pursuit for achieving Audio nirvana. The pics, (downloaded from their website) are attached.After months of delay, I finally received the Class D Amp CDA 254 with its low profile power supply from US. It cost me Rs. 8800/- including freight + Rs. 668/- towards Customs + Rs. 32/- for tipping the postman.
After keeping it idle for two weeks in my search for torodial transformer, I took it to an audio electronics guy yesterday evening. We connected the amp to the supplied Low Profile Power Supply and linked it up to an old 10 Amp Audio Transformer with a secondary output of 30V AC. As a result, the DC output from the power supply would be 42.3V, slightly less than the optimum operating range of 45V to 60V of the Amp.
We powered up the setup without load. One set of blue LEDs each of the Amp & Power Supply have come to life beautifully. We connected the right channel to a Chinese Tower speaker. The first sound from the Amp was well, music to my ears. We then powered down and connected the second channel as well. We played a couple of tracks and the setup was working nicely.
We then connected the Amp to Torvin two-way tower speakers and played the B&W demo disk through my Marantz 6003. Wow, my jaw just dropped!!! What a music!!! All the instruments have come alive. Superb vocals, taut percussions, silky smooth strings, lively trumpets and saxophones!! The sound is clean but not clinical musical but not warm. The transients, the decay are so lively that it has to be heard to be believed. :yahoo:
After playing for half an hour, I took it and headed home. Connected it to my 85db 8 ohm towers on one side and my Marantz to the other.
My trusted old friend, Sashi Kumar who just came back from office after a stressful day was game enough to come over and we listened to all types of music, from Pop to Rock, from Western Classic to Jazz over a few shots of Antiquity
We had a blast till about midnight. There is not even an iota of listening fatigue. Hats off to Tom of Class D Audio.:clapping:
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iaudio
Well-Known Member
Cap'n, I want an audition! (Is 'Antiquity' included in the package?)Ive heard of thousands of Indians flying out to USA chasing their $$$ dreams. But in my case, USA has come calling chasing my musical dreams.
After months of delay, I finally received the Class D Amp CDA 254 with its low profile power supply from US. It cost me Rs. 8800/- including freight + Rs. 668/- towards Customs + Rs. 32/- for tipping the postman.
After keeping it idle for two weeks in my search for torodial transformer, I took it to an audio electronics guy yesterday evening. We connected the amp to the supplied Low Profile Power Supply and linked it up to an old 10 Amp Audio Transformer with a secondary output of 30V AC. As a result, the DC output from the power supply would be 42.3V, slightly less than the optimum operating range of 45V to 60V of the Amp.
We powered up the setup without load. One set of blue LEDs each of the Amp & Power Supply have come to life beautifully. We connected the right channel to a Chinese Tower speaker. The first sound from the Amp was well, music to my ears. We then powered down and connected the second channel as well. We played a couple of tracks and the setup was working nicely.
We then connected the Amp to Torvin two-way tower speakers and played the B&W demo disk through my Marantz 6003. Wow, my jaw just dropped!!! What a music!!! All the instruments have come alive. Superb vocals, taut percussions, silky smooth strings, lively trumpets and saxophones!! The sound is clean but not clinical musical but not warm. The transients, the decay are so lively that it has to be heard to be believed. :yahoo:
After playing for half an hour, I took it and headed home. Connected it to my 85db 8 ohm towers on one side and my Marantz to the other.
My trusted old friend, Sashi Kumar who just came back from office after a stressful day was game enough to come over and we listened to all types of music, from Pop to Rock, from Western Classic to Jazz over a few shots of Antiquity
We had a blast till about midnight. There is not even an iota of listening fatigue. Hats off to Tom of Class D Audio.:clapping:
Anytime buddy, yes that is included.:lol:
I'm leaving for Nagercoil today for a couple of days.
Will come back & tie up with Bala & Rajiv to see how this amp fares with their speakers.
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