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Building Guides

Device Parts cost Difficulty
Separate devices

RN73 class-A mic preamp with EQ

  RN84 class-A mic preamp with EQ 1235$      
4-channel frame modules

1290 type mic preamp module (RN73 without the EQ section)

73EQ passive equalizer module (requires 1290 module) 293$      
312 type mic preamp module 256$      
1176 compressor module 360$      
PYE compressor module 358$      
12413 zener compressor module 392$      

Universal power supply module