I just modified my Marantz SA-15 to use the Lampziator output. I stole the D+ and Dgnd signal for each channel. But now I have a loud thump or two each time a new disc is inserted and the TOC is being read. The onboard discrete output board doesn't have that, what's causing it and what can I do to fix it? Thanks.
It's because the old output stage included a muting circuit, and the one you installed doesn't. There are two ways to fix this:
- build a new muting circuit
- reverse the mod and reinstate the old output stage
- build a new muting circuit
- reverse the mod and reinstate the old output stage
- Status
- Not open for further replies.