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Old 27th July 2009, 06:40 PM   #1
fredos is offline fredos  Canada
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Default Crown XTI2000 headers..

Looking to bypass the (dead) dsp on Crown XTI2000...Amp seem to work, but DSP is completly dead. Anyone have schematics or a way to bypass the DSP and feed signal directly to the Power amp? By the way, it look like a Lapgruppen technology! Class B amplifier with class d rail amplifier! Thanks
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Old 27th July 2009, 07:20 PM   #2
Gyula is offline Gyula  Hungary
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Hi Fredos,

Are you on replacing your D-Amps?
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Old 27th July 2009, 08:14 PM   #3
fredos is offline fredos  Canada
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No that's a trade-off with a customer...He replace all his XTI with our amps! He got to much trouble..Some amp fail, lot of trouble with the DSP inside the amps..That's why I whant to bypass them and resale them fast!
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Old 27th July 2009, 09:18 PM   #4
Gyula is offline Gyula  Hungary
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So he was in lack of cash. I assumed the DSP lasts longest in an amp. Maybe it`s not the most refined design.
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Old 28th July 2009, 02:28 AM   #5
Eva is offline Eva  Spain
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One of the design mistakes in these amplifiers is always the same: Too much sensitive SMD (like big ICs) in a main PCB subject to bending due to heavy parts and thermal cycling.
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Old 28th July 2009, 02:01 PM   #6
fredos is offline fredos  Canada
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Quote:
Originally posted by Gyula
So he was in lack of cash. I assumed the DSP lasts longest in an amp. Maybe it`s not the most refined design.
As you said, not the most refined design...Everything on the same big board, even the in/out connector...But still waiting to know how to bypass the DSP section! At least, just know where is the power amp input section...By the way, I give only 100$ per amp...Make my profit anyways! And now he have power in is club!
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Old 28th July 2009, 05:17 PM   #7
Gyula is offline Gyula  Hungary
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Big companies think different way than a DIY designer does. Every cent counts, the cheapest and ready for function design is the best, which contains purchaseable and beneficial parts during the product lifetime.
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Old 28th July 2009, 05:49 PM   #8
fredos is offline fredos  Canada
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Found manual! Allready bypassed and work!
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Old 28th July 2009, 06:12 PM   #9
Gyula is offline Gyula  Hungary
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Maybe I would be interested in buying some of them if you would be about to sell them.
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Old 28th July 2009, 07:43 PM   #10
fredos is offline fredos  Canada
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DSP are dead....They write the display in chiness! I will have 12 XTI2000 for sale when I will finish to bypass DSP...How much are you willing to pay for each?
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