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Servicing Sony Walkman TCS-30D
I’ve got this one for cheap, sold as “working” but we all know how much does in mean when you buy from ebay 😂 It wasn’t working very well, couldn’t fast forward and played only some cassettes, others it couldn’t advance at right speed. As always, this is its rubber…
Audio
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Bad Screamer: more gain
All articles from the Bad Screamer series This one is very similar to the Bad Screamer: adding a mid-boost version, the difference being the gain stage has a Darlington pair, increasing maximum available gain (by a lot). I made this modification thinking ahead about using the same schematic but with…
Audio
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Bad Screamer: adding a mid-boost
All articles from the Bad Screamer series Thinking about this a little bit, there’s a way to act on the frequency response using a little more complex emitter negative feedback circuit. Did a bit of play with the sim and various values, I can create a mid bump this way…