I found two errors and fixed them. This has been tested and works well.
Attachments
Last edited:
Hi Mile,
I took your advice and built the PSP 100 PSU. I had to make a little daughter board to output +-15V for the XLR pre's. Here are some pics of it installed.
By the way, the protect LED is inverted in the file you shared in the post above.
I did a bit of a redraw to be able to use some euro blocks instead of all spade connectors.
Attachments
Hi Mile,
I hope you are still monitoring this thread. With this PSP100 PSU the clipping circuit is a little too sensitive. The LEDs start flickering and a pretty low volume. They act more like VU lights than clip indicators. Are there some changes I can make so they don't flicker until clipping occurs?
Also, I was out of 0R33 2W resistors so I used 0R15. May I assume that these will affect the over-current circuit?
Thanks, Terry
I hope you are still monitoring this thread. With this PSP100 PSU the clipping circuit is a little too sensitive. The LEDs start flickering and a pretty low volume. They act more like VU lights than clip indicators. Are there some changes I can make so they don't flicker until clipping occurs?
Also, I was out of 0R33 2W resistors so I used 0R15. May I assume that these will affect the over-current circuit?
Thanks, Terry
OK so now I have a question. I looked at the schematic and I have the clipping LEDs inverted. When I measure the polarity on those LEDs the positive is on the cathode. Does it reverse the polarity at some point?
Would a resistive feedback network between base/emitter Q7/Q8 help transients from mosfet gate capacitance?
Post #1
