Czilla9000
10 Year Member. Still no custom title.
- Joined
- Feb 26, 2002
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Those of you who frequent the 'Cables etc' forum know I am very interested in digital amplification technology and have contemplated buying one of those Sharp 1-bit amplifiers.
So when I was browsing DIYCable.com (for parts for Project 1, the speaker I am building) and saw a link for "Digital Amplification" - my heart raced.
Inside the link was the "LC Audio ZAPPulse 2.1" - a digital speaker amp module. What is amazing is according to LC Audio, the unit is a credit card in size and capable of 400 WATTS!!!!!! (200 watts per channel)
However, the unit does not include a PSU, and one unit provides music for only one channel.
I have the following questions.
1. Anyone here familiar with the ZAPPulse?
2. The ZAPPulse, unlike the Sharp units which convert PCM (or analog) to a DSD-like 1-bit/5.8 MHz, converts analog signals to Pulse Width Modulation at a switching rate of 490 KHz. How does PWM differ from DSD?
3. Can I modify it to be a Headphone Amp? I would like to modify the ZAPPulse power amp to be a headphone amp and have the first digital headphone amp. Any suggestions (on how to do this)? (I also need a speaker amp for the speakers I am building, so if I could have it double as a speaker amp that would be great).
I assume the main hurdle is controlling the volume from being too loud and hooking up a headphone jack.
(As always, the standard disclaimer that I could using data from this thread build and sell a product for HeadFi-ers applies. If you have a problem with that please do not reply. However, keep in mind having a wide variety of amps on the market is good for ALL Headfi-ers.)
This is all, however, for later on. The parts I need for my speakers I am building have not arrived, and the speakers will be built before any amp.
As always........THANK YOU!!!!
So when I was browsing DIYCable.com (for parts for Project 1, the speaker I am building) and saw a link for "Digital Amplification" - my heart raced.
Inside the link was the "LC Audio ZAPPulse 2.1" - a digital speaker amp module. What is amazing is according to LC Audio, the unit is a credit card in size and capable of 400 WATTS!!!!!! (200 watts per channel)
However, the unit does not include a PSU, and one unit provides music for only one channel.
I have the following questions.
1. Anyone here familiar with the ZAPPulse?
2. The ZAPPulse, unlike the Sharp units which convert PCM (or analog) to a DSD-like 1-bit/5.8 MHz, converts analog signals to Pulse Width Modulation at a switching rate of 490 KHz. How does PWM differ from DSD?
3. Can I modify it to be a Headphone Amp? I would like to modify the ZAPPulse power amp to be a headphone amp and have the first digital headphone amp. Any suggestions (on how to do this)? (I also need a speaker amp for the speakers I am building, so if I could have it double as a speaker amp that would be great).
I assume the main hurdle is controlling the volume from being too loud and hooking up a headphone jack.
(As always, the standard disclaimer that I could using data from this thread build and sell a product for HeadFi-ers applies. If you have a problem with that please do not reply. However, keep in mind having a wide variety of amps on the market is good for ALL Headfi-ers.)
This is all, however, for later on. The parts I need for my speakers I am building have not arrived, and the speakers will be built before any amp.
As always........THANK YOU!!!!