promixe
Well-known member
Hi All,
I've got a couple of basic questions that I would like your input on:
1) Do R56/C7/C8 serve only for power supply filtering? If so, if I have clean power nearby on the board can I omit them and run 24V directly into M pin of the BA283AM section? Or is R56 there for current limiting (2A?)? If so, can I still omit just the caps?
2) Is there a sonic advantage of inserting a switchable BALANCED pad (say -20dB) in front of the input transformer, as opposed to having an unbalanced pad between secondary of the transformer and the gain switch?
Thanks!
I've got a couple of basic questions that I would like your input on:
1) Do R56/C7/C8 serve only for power supply filtering? If so, if I have clean power nearby on the board can I omit them and run 24V directly into M pin of the BA283AM section? Or is R56 there for current limiting (2A?)? If so, can I still omit just the caps?
2) Is there a sonic advantage of inserting a switchable BALANCED pad (say -20dB) in front of the input transformer, as opposed to having an unbalanced pad between secondary of the transformer and the gain switch?
Thanks!