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Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376825 05/22/12 08:32 PM
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Sweet! Never thought of using a jewelry box type of thing as an amp cabinet. Was assembly pretty straightforward?


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Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376829 05/22/12 09:58 PM
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It was. The only hard part was getting everything assembled in a relatively small space... Not much room to work.


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Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376830 05/22/12 10:15 PM
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Just beautiful, Steve. I love it. Nice work!


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Re: Gonna Try Building a 1kW Class D Amp for Only $396
tomtuttle #376831 05/22/12 10:30 PM
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That's nice and tidy! Good show.

Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376841 05/23/12 12:35 AM
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Very cool, Steve! I like your creative use of the box. It does look very nice.


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Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376845 05/23/12 01:24 AM
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I like.


Rick


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Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376857 05/23/12 03:29 AM
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That's pretty damn cool.

Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #376918 05/23/12 10:07 PM
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Thanks guys! I hooked up the M80s as a final test. I ran the amp at full blast (I-phone was the pre-amp and source)for 2 hours. No tripping, 100db peak output at 1m (both speakers were running), and when I shot the heatsink with the infrared gun, it measured 94F. Not a bad little amp!


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Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #377639 05/31/12 06:01 PM
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One thing I have noticed over the last week or so of listening is that the I-Phone just does not have enough "umph" to serve as an adeqaute pre-amp. When I hooked my Onkyo receiver up to the amp and used the pre-outs, I was really able to push the amp and the sound was great. So, I decided to hunt around for a little pre-amp (or headphone amp) for the amp I built. I finally decided on this one:

http://www.ebay.com/itm/Indeed-G3-Headph...=item3a699d3c70

It's a tube pre-amp/headphone amp, and it looks like a tweaker's wet dream. Some guys on another board had a chance to play with it and some have even modded it a bit:

http://rockgrotto.proboards.com/index.cgi?board=b&action=display&thread=7174#

It's on it's way from Hong Kong right now, but it won't be here for a couple of weeks. Has anyone here had any experience with this unit? I know some of you are into headphone amps.


LFR1100 Actives,QS10HPx2,QS8x2,EP800,M3x4,M3x2 (Wood),M5HPx2 (Wood),AxiomAir,ADA1500-8,ADA1500-7
Re: Gonna Try Building a 1kW Class D Amp for Only $396
SRoode #377644 05/31/12 06:32 PM
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That's gotta be good when it's described as "it sounds with rich bass and clear treble for joy"! smile


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