Hi! I'm currently building a 4x 6581 and 4x 8580 SID Synth with an Atmel MCU, largely based on the MIDIBox SID. I've manage over the years to scavange 8 chips (4 of each), but now that the MIDI part is working, I'm having issues with the chips. First of all, the 6581 sounds alot quieter than the 8580. Is this normal of my chips are busted? Secondly, the gate on the 8580 doesnt seem to work properly... As soon as I select a waveform, the chip will start to make sound. I know I can write