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Author Topic: Am n00b - Installing line level input on amp - PLZ HLP  (Read 866 times)

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Offline RyenoTopic starter

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Am n00b - Installing line level input on amp - PLZ HLP
« on: October 18, 2018, 02:24:55 am »
I have a Vandersteen 2W powdered subwoofer.
The amp only have high-level inputs.
I want to install a mono low line level RCA input.

The amp looks like this


The 3 main components on the PCB are

1. RC4136N http://www.ti.com/lit/ds/symlink/rc4136.pdf
2. PC1298V https://4donline.ihs.com/images/VipMasterIC/IC/NECE/NECED020/NECED020-1298V-1.pdf
3. Motorola MDA-2502 Bridge Rectifier

It looks like a simple circuit but I'm a total n00b so I don't know where to start.
Please help.


« Last Edit: October 18, 2018, 05:40:28 am by Ryeno »
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Offline t1d

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Re: Am n00b - Installing line level input on amp - PLZ HLP
« Reply #1 on: October 18, 2018, 04:43:30 am »
I don't know the answer, but the capacitors appear to be very damaged. If so, they will need to be replaced.
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