What in the world....
Have a ST70 with kevinkr's driver. Was originally hooked up in triode mode. Had nice looking square waves after some tweaking (under a previous thread). NO problems.
Out of curiosity, I connected things in Ultralinear (only the left channel), just to hear the difference. No big improvement, so I went back to triode.
Now, square waves look like this. Sorry for the blurriness, but you get the picture.
What happened? Doublechecked I put the 100 ohm resistor back - from pins 3 to 4. UL tap is connected to pin 6, which has no internal connection.
????????
Have a ST70 with kevinkr's driver. Was originally hooked up in triode mode. Had nice looking square waves after some tweaking (under a previous thread). NO problems.
Out of curiosity, I connected things in Ultralinear (only the left channel), just to hear the difference. No big improvement, so I went back to triode.
Now, square waves look like this. Sorry for the blurriness, but you get the picture.
What happened? Doublechecked I put the 100 ohm resistor back - from pins 3 to 4. UL tap is connected to pin 6, which has no internal connection.
????????
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