Anyone ever DIY a SNI-35 line level converter? - diyAudio
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Old 11th June 2008, 06:21 AM   #1
JZatopa is offline JZatopa  United States
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Default Anyone ever DIY a SNI-35 line level converter?

Has anyone here ever made their own level converter if so, how did it compare to a regular sni-35?
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Old 12th June 2008, 05:52 PM   #2
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I did quite a bit of manual adapting from speaker-level outputs, and from factory line outputs.

For speaker outputs, often an L-pad works fine. R values chosen to present a reasonable load to the HU & amp. Sometimes they require decoupling.

What exactly is an sni-35?
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Old 12th June 2008, 09:07 PM   #3
JZatopa is offline JZatopa  United States
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It's a standard line level converter used in car audio installs. The problem is that the sound quality is only so so even for a line level converter.

http://www.sonicelectronix.com/item_...AC+SNI-35.html

There are better ones but for the price I would rather build one of higher quality.
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Old 12th June 2008, 09:11 PM   #4
djQUAN is offline djQUAN  Philippines
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I usually stay away from LOC's. if I need one, I make a basic stereo balanced line receiver with low enough gain and power it off the ACC line. works very well. the sound quality is limited by the parts you use and the HU itself.
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Old 13th June 2008, 01:02 AM   #5
JZatopa is offline JZatopa  United States
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could you post some pics and or a schematic of how you make one? How does the piece you make compare to using a LOC SQ wise. The only reason I am not going to aftermarket is because I have a 6 disk cd changer in dash and love it. I don't want to change it until I am ready to put in a carputer.

If I could find someone to mod my head unit to add RCA's to it I would but I don't have the skill to do that myself.
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Old 13th June 2008, 03:29 AM   #6
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Quote:
http://www.sonicelectronix.com/item...PAC+SNI-35.html
At least in the past, PAC products were substandard.


Does your factory unit use an external amp?
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Old 13th June 2008, 06:26 AM   #7
djQUAN is offline djQUAN  Philippines
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sorry, don't have pictures since I had them installed in friends' cars.

there are a lot of online schematics about balanced line receivers.

try this.

and you'll also need this, this or this.
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