SET UP For drum recording: diggi 002 rack api 3124 (4 preamps) shure 52 shure 57 shure 98(toms) Rode nt 5 shure 81. OK I want to invest around 3k on another preamp unite( I want to have at least 12 preamps) My question is is that posiblle with the diggi 002 rack? I know thw converters of the diggi are not that good. Wich is a good 8 channel preamp? I like the isa 828 for what I understand the diggi rack only give 8 channels. What should I do? can I replace the diggi? Do I have to buy a converter us well? please HELP!!!!!!!!!!