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Old 29th April 2013, 12:30 AM   #201
kp93300 is offline kp93300  Malaysia
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Hi Cristi,
any progress in the TI chips amp ?

Old 30th April 2013, 12:02 AM   #202
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wushuliu's Avatar
Join Date: May 2008
Location: Los Angeles
My only request is that if there are on board speaker connectors that they be large enough to accomodate 16awg or larger wire - or allow them to be replaced with larger connectors from Digikey, Mouser, etc. etc.
Old 1st May 2013, 06:32 AM   #203
oneday is offline oneday  Australia
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Join Date: Apr 2007
I'm in for investigating a TI TPA3116-based amp, terrific to see one in the making. Options? Speaker connection bypassing the output filter might be useful for some, and I like the battery power option too.
Old 16th May 2013, 01:23 AM   #204
Join Date: Dec 2008
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working at, and as soon as i have the prototype ready will post results and pictures here: Forum Connexelectronic • Index page
Old 16th May 2013, 01:27 AM   #205
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Location: Los Angeles
Thanks Cristi. look forward to the results!!!
Old 22nd May 2013, 03:34 PM   #206
karken is offline karken  Norway
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Join Date: Oct 2012
Default two cxdr-300 with one smps500r

Im building an amplifier for my subwoofer project. Im going to use 4 peerless sls213 with a P of 90w. The Revc is 5.5Ω, Zmin 6.2Ω of the driver. The nominal impedance is 8 ohm.Im living in Norway so mains voltage is 230V AC.

Click the image to open in full size.

Uploaded with

Will this amplifier fit my needs? Will this work optimal?
A sufficient answer would be: "yes" or "no".

Thanks in advance
Old 23rd May 2013, 05:35 AM   #207
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Join Date: Jun 2009
You don't need the power soft start module, that feature is built into the SMPS. Otherwise looks good.
Old 3rd July 2013, 02:50 PM   #208
Join Date: Dec 2008
Location: Hong Kong or Europe
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Guys, if any of you ask my advice and a schematic, picture or any kind of image has to be uploaded, please do it on forum directly since I have no way of seeing it on sites like imagesucks ot you_to_be from my location. thank you.
Old 4th July 2013, 02:14 PM   #209
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Join Date: Mar 2009

Ha! Happy 4th of July!

Thanks for writing the Declaration of Independence!

Old 19th July 2013, 01:40 AM   #210
Khato is offline Khato  United States
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Join Date: Jul 2013
Location: Folsom, CA
I'm currently looking at purchasing two CxD250-HP and powering them with a single SMPS600RxE, but given the limited information for these products on the connexelectronic site have two questions.

1. The description for the CxD250-HP only lists "under-voltage, over-voltage, over-temperature with temperature feedback output monitor peaking detection" for its protection set - is this actually the complete list? Or does it have the same protection set as the CxD500? I'm guessing that it's actually the same protection set given that not including over-current would be a bit peculiar and they appear to have the same physical auxiliary supply connector.

2. Are the DC component protection and click/pop free startup features of the CxD500 (and CxD250-HP if it is indeed the same) dependent upon connection to the power supply by the auxiliary supply connector? I'm guessing they would be, but that's assuming it's the same as described in the IRS2092 Stereo Amplifier data manual. If they are all the same, then is the shut-down I/O pin also designed such that it could be wired directly from two amplifier modules to the power supply?


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