alright, I have some plans to rework my allen & heath boaeds (sd-12-2 and quasi) i have all the parts to replace the two transistor transformerless mic amp with an input trans and 3 transistor amp the orginal pcb has a 741 chip post eq/pre fader, I plan on replacing it with a 2520 amp (power supply in using is linear, +/- 24v 5a).
any sugesstions? am i crazy? ive combine all the pieces into one schematic below.
any sugesstions? am i crazy? ive combine all the pieces into one schematic below.