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Class D Switching Power Amplifiers and Power D/A conversion

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Old 14th October 2006, 06:14 PM   #1
@lf is offline @lf  Bosnia and Herzegovina
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Location: Sarajevo
Default Amp4

Finished AMP4 from www.41Hz.com
AMP4 is connected to two Panasonic SLA 12V/7,2Ah batteries.

Compared to my AMP3 and my moded T-Amp this amp is Real Gem!

Now waiting two input 2,2 uF/630V Jensen Copper foil PIO caps
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Old 14th October 2006, 06:29 PM   #2
v-bro is offline v-bro  Netherlands
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Nice amp!
I have a sort-of Amp9 (audiodigit mc4x100).
I use several different type batteries (als two in series).
Use 2x12 volt ni-cad 6A home-made packs (very fast charge "Saft" cells). Or 2x 12volt 12A SLA batteries.

Funny thing is that power went out in my appartement building, neighbours asked how my music could still be playing (was useing my i-pod then).

My amp delivers 4 times 40 watts and therefore very suitable for bi-amping. Most components are through-hole type.
Must complement you on your soldering skills doing a surface-mount amp!
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Max. cone displacement can be several foot on any speaker!Too bad it can be done only once......
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